PE X Re side ntia l Plumbing Insta lla tion @ Aa rdva rk Cla sse - - PowerPoint PPT Presentation
PE X Re side ntia l Plumbing Insta lla tion @ Aa rdva rk Cla sse - - PowerPoint PPT Presentation
@Aar dvar k Classe s PE X Re side ntia l Plumbing Insta lla tion @ Aa rdva rk Cla sse s PEX Plumbing Systems PE X is a n inno va tive pro duc t tha t wa s de ve lo pe d in the 1960s to a ddre ss the pro b le ms a sso c ia te d with
PEX Plumbing Systems
PE X is a n inno va tive pro duc t tha t wa s de ve lo pe d in the 1960s to a ddre ss the pro b le ms a sso c ia te d with rig id plumb ing syste ms tha t use ma te ria ls like c o ppe r, ste e l, a nd CPVC. T he first re side ntia l PE X plumb ing pro duc ts we re intro duc e d in the e a rly 1970s. Sinc e the n, the PE X industry ha s c o ntinua lly ma de a dva nc e me nts. T
- da y, PE
X plumb ing syste m c o nsist o f PE X tub ing , b ra ss a nd po lyme r fitting s, c o ppe r c rimp ring s a nd sta inle ss ste e l c la mp syste ms, a nd a dditio na l PE X c o mpo ne nts use d to a sse mb le the se syste ms.
@ Aa rdva rk Cla sse s Pa g e 2 o f 55
Applications and Advantages of PEX Systems
Applic ations
I n a dditio n to ho t a nd c o ld wa te r distrib utio n, so me a pplic a tio ns fo r PE X Syste ms inc lude :
- Ra dia nt He a ting Syste ms
- Sno w a nd I
c e Me lt Syste ms
- T
urf Co nditio ning Syste ms
- Munic ipa l Wa te r Se rvic e
- Re ve rse Osmo sis Syste ms
- De io nize d Wa te r Syste ms
Advantage s of a PE X Syste m
- E
nviro nme nta lly So und
- E
a sy a nd Sa fe to I nsta ll
- Re lia b le
- Co st E
ffe c tive
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Applications and Advantages of PEX Systems
System Performance Based on Factor Dependency
F ac tor Optimal Pe r for manc e E le vate d Pe r for manc e T ypic al Pe r for manc e
Minimize Pipe Used Conventional Multi-Port Tee Home Run Minimize Fittings and Joints Home Run Multi-Port Tee Conventional Sequential Flow Hot Water Delivery Time Conventional/ Multi-Port Tee Home Run Minimize Hot Water Wait Time Home Run Multi-Port Tee Conventional Single Fixture Pressure Conventional Home Run/Multi-Port Tee Pressure Stability with Use of Multiple Fixtures Home Run Multi-Port Tee Conventional Centralize Shut-off Valving Home Run Multi-Port Tee Conventional Joint Accessibility During Installation Home Run Multi-Port Tee Conventional
@ Aa rdva rk Cla sse s Whe n insta lling a PE X plumb ing syste m, yo u must first c ho o se yo ur me tho d o f insta lla tio n. T his se c tio n o utline s the thre e mo st c o mmo n type s o f PE X plumb ing insta lla tio n me tho ds. I n o rde r to c ho o se the me tho d tha t b e st suits yo ur jo b site re q uire me nts, c o nside r the fa c to rs re le va nt to yo ur prio ritie s. Pa g e 4 o f 55
Insta lla tion Me thods
Conve ntional Me thod – T r unk and Br anc h
T he Co nve ntio na l o r T runk a nd Bra nc h Me tho d is the sa me me tho d use d in rig id plumb ing syste ms. Running PE X tub ing in the Co nve ntio na l Me tho d re q uire s the insta lla tio n o f a ma in trunk line whic h b ra nc he s to spe c ific o utle ts. T his me tho d do e s re duc e the to ta l line a r fe e t o f tub ing use d; ho we ve r, it do e s re q uire mo re fitting s, whic h c a n inc re a se c o st a nd insta lla tio n time .
Home - Run Me thod – Par alle l
T he Ho me Run o r Pa ra lle l Me tho d distrib ute s wa te r to e a c h fixture fro m a c e ntra lly lo c a te d ma nifo ld. T he ho t wa te r ma nifo ld is typic a lly lo c a te d c lo se to the ho t wa te r so urc e in o rde r to pro vide fa st a nd e ffic ie nt ho t wa te r de live ry. T he Ho me Run Me tho d pro vide s a de dic a te d line fro m the ma nifo ld to the fixture whic h re duc e s the ne e d fo r fitting s b e hind the wa ll.
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Insta lla tion Me thods (c ont.)
Multi- Por t T e e Me thod
T he Multi-Po rt T e e Me tho d c o mb ine s the b e ne fits o f the Co nve ntio na l a nd Ho me Run Me tho ds. T he Multi-Po rt T e e Me tho d runs individua l b ra nc h line s fro m sma lle r ma nifo ld lo c a te d ne a r g ro ups o f fixture s. T his e ffe c tive ly re duc e s the le ng th o f to ta l tub ing use d o n the jo b , while minimizing the numb e r o f fitting s re q uire d fo r the Co nve ntio na l Me tho d o f I nsta lla tio n.
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PEX Tubing Sizes and Dimensions
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- Nom. Size
(CTS) Avg. (In.)
- Avg. I.D.
(In.)
- Min. Wall
Thickness Fluid Capacity (Gal/Foot)
- Wt. Per 100
Ft. (Lbs.)
1/ 4" .375 (3/ 8") . .225 (9/ 40") .062 >0.001 3 3/ 8 .500 (1/ 2") .350 (7/ 20") .070 .005 4 1/ 2" .625 (5/ 8") .475 (19/ 40") .070 .009 5 3/ 4" .875 (7/ 8") .671 (51/ 76") .097 .018 10 1" 1.125 (1-1/ 8") .862 (25/ 29") .125 .030 17 1-1/ 4" 1.375 (1-3/ 8") 1.054 (1-2/ 37") .153 .045 26 1-1/ 2" 1.625 (1-5/ 8") 1.244 (1-10/ 41") .181 .063 37
Whe n wo rking with PE X tub ing , the fo llo wing re c o mme nde d pra c tic e s liste d b e lo w sho uld b e fo llo we d to ma ximize the life o f the syste m.
Note : T
he se PE X re c o mme nda tio ns a re inte nde d to pro vide b a sic kno wle dg e fo r the sa fe ha ndling , sto ra g e , a nd insta lla tio n o f PE X tub ing . While this list is no t c o mpre he nsive , a n unde rsta nding o f the stre ng ths a nd limita tio ns o f PE X tub ing will he lp to e nsure tha t it ma inta ins o ptimum pe rfo rma nc e c ha ra c te ristic s thro ug ho ut the life o f the syste m.
- PE
X tub ing sho uld no t b e e xpo se d to o r sto re d in dire c t ultra vio le t lig ht.
- PE
X sho uld no t b e e xpo se d to dire c t fla me . I f it is ne c e ssa ry to b ra ze , so lde r, o r we ld, do so prio r to c o nne c ting PE X to the me ta l pipe .
- PE
X c a nno t b e use d fo r e le c tric a l g ro unding . Co nsult the NE C fo r a ppro pria te g ro unding me tho ds.
PE X T ubing Installation Pr e c autions
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- PE
X sho uld no t b e insta lle d in c o nditio ns ne a r e xtre me he a t.
- Pa inting PE
X is unne c e ssa ry. Oil-b a se d pa ints o r la c q ue rs sho uld ne ve r b e a pplie d to PE X tub ing .
- PE
X sho uld o nly b e use d in o pe ra ting c o nditio ns tha t a re c o nsiste nt with pre ssure ra ting s tha t a ppe a r o n the tub ing a nd a pplic a b le sta nda rds.
- PE
X tub ing sho uld no t b e sub je c te d to pro lo ng e d e xpo sure to fre e c hlo rine c o nc e ntra tio ns g re a te r tha n 4 ppm.
- PE
X tub ing tha t ha s b e e n c rushe d o r sc ra tc he d sho uld b e re mo ve d fro m the syste m a nd re pla c e d.
- PE
X sho uld ne ve r c o me into c o nta c t with a ny c he mic a ls, pipe thre a d c o mpo unds, putty, mine ra l o r linse e d o il pro duc ts.
- PE
X sho uld o nly b e insta lle d whe n the te mpe ra ture is a b o ve 5 de g re e s F .
PE X T ubing Installation Pr e c autions
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Polyme r PE X F itting s
Po lyme r PE X fitting s a re mo lde d fro m a b le nd o f hig hly e ng ine e re d po lyme rs. T he inhe re nt q ua litie s o f the po lyme rs ma ke fitting s hig hly re sista nt to c hlo rine a nd o the r c he mic a ls pre se nt in po ta b le wa te r. Po lyme r PE X fitting s a re a supe rio r a lte rna tive to me ta llic fitting s in a re a s with lo c a lize d a g g re ssive wa te r c he mistrie s.
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Polyme r PE X Installation Pr e c autions
Whe n wo rking with po lyme r PE X fitting s, fo llo wing the re c o mme nd e d pra c tic e s liste d b e lo w will he lp ma ximize the life o f the syste m.
Note : T
he se re c o mme nd a tio ns a re inte nd e d to pro vid e b a sic kno wle d g e fo r the sa fe ha nd ling , sto ra g e , a nd insta lla tio n o f po lyme r PE X fitting s. While this list is no t c o mpre he nsive , a n und e rsta nd ing o f the stre ng ths a nd limita tio ns o f po lyme r PE X fitting s will he lp to e nsure tha t it ma inta ins o ptimum pe rfo rma nc e c ha ra c te ristic s thro ug ho ut the life o f the syste m.
- Po lyme r PE
X fitting s sho uld o nly b e use d in o pe ra ting c o nd itio ns tha t a re c o nsiste nt with te mpe ra ture a nd pre ssure ra ting s o f the tub e a s we ll a s a pplic a b le sta nd a rd s.
- Po lyme r PE
X fitting s sho uld no t b e pa inte d .
- Po lyme r PE
X fitting s sho uld no t b e e xpo se d to d ire c t ultra vio le t lig ht. Whe n po ssib le , pro te c t fitting s with a n o pa q ue c o ve ring .
- Po lyme r PE
X ma le pipe thre a d s must o nly use PT F E ta pe a s a thre a d se a la nt.
- Po lyme r PE
X fitting s sho uld no t b e e xpo se d to c le a ne rs, c he mic a ls, so lve nts, se a la nts, o r g lue s a s the y c o uld b e d a ma g e d fro m c o nta c t.
- Po lyme r PE
X fitting s sho uld a lwa ys b e sto re d in c le a n, pre fe ra b ly line d , b ins o r c o nta ine rs.
- Po lyme r PE
X F itting s must b e pro te c te d fro m c o nta c t with spra y fo a m insula tio n o r se a la nts.
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Bra ss PE X F itting s & Pre c a utions
With o ve r 30 ye a rs o f insta lla tio ns, b ra ss PE X fitting s a re the re lia b le jo ining me tho d fo r PE X piping . Bra ss PE X fitting s a re c a st fro m hig h q ua lity le a d -fre e b ra ss a nd ma c hine d to rig id spe c ific a tio ns. T he hig h stre ng th q ua litie s o f b ra ss insure s a so lid jo int a nd a lo ng syste m life .
L e a d-F r e e Br a ss PE X Insta lla tion Pr e c a utions
Whe n wo rking with le a d -fre e b ra ss PE X fitting s, the fo llo wing re c o mme nd a tio ns liste d b e lo w will he lp ma ximize the life o f the syste m. Note : T he fo llo wing re c o mme nd a tio ns a re inte nd e d to pro vid e b a sic kno wle d g e fo r the sa fe ha nd ling , sto ra g e , a nd insta lla tio n o f the b ra ss PE X fitting s. While this list is no t c o mpre he nsive , a n und e rsta nd ing o f the stre ng ths a nd limita tio ns o f le a d -fre e b ra ss PE X fitting s will he lp to e nsure tha t the y ma inta in o ptimum pe rfo rma nc e c ha ra c te ristic s thro ug ho ut the life o f the syste m.
- Bra ss PE
X fitting s sho uld o nly b e use d in o pe ra ting c o nd itio ns tha t a re c o nsiste nt with te mpe ra ture a nd pre ssure ra ting s a s we ll a s a pplic a b le sta nd a rd s.
- Bra ss PE
X fitting s sho uld no t b e use d in re ve rse o smo sis syste ms.
- Bra ss PE
X fitting s sho uld no t b e use d in a re a s with kno wn lo c a lize d a g g re ssive wa te r c he mistrie s.
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Re c omme ndations for Making Swe at Conne c tions with L e ad- F r e e Br ass PE X F ittings
PE X fitting s a re ma de fro m le a d-fre e b ra ss ma te ria l. T his ma te ria l c a n e a sily b e swe a te d to c o ppe r tub e o r c o ppe r a llo y c o mpo ne nts with a fe w simple pre c a utio ns.
- T
ho ro ug hly c le a n the surfa c e tha t will b e swe a te d b y wiping a wa y a ny dirt a nd re mo ving the surfa c e o xide film with a wire b rush, sa ndpa pe r, o r a sa nding c lo th.
- Use a flux tha t c o nta ins c hlo rine a nd is suita b le fo r po ta b le wa te r
syste ms suc h a s tho se liste d to NSF Sta nda rd 61.
Caution: Do no t a llo w the se fluxe s to c o me in c o nta c t with pla stic
fitting s o r c o mpo ne nts in the plumb ing syste ms.
- Use a so lde r tha t is suita b le fo r po ta b le wa te r plumb ing syste ms
suc h a s tho se liste d to NSF Sta nda rd 61.
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Re c omme ndations for Making Swe at Conne c tions with L e ad- F r e e Br ass PE X F ittings (c ont.)
- L
e a d-fre e b ra ss do e s no t tra nsfe r he a t a s ra pidly a s c o ppe r do e s so it is impo rta nt to mo ve the fla me a ro und while he a ting to a ssure e ve n he a ting witho ut c re a ting ho t spo ts. I f the b ra ss is
- ve rhe a te d, it will turn b ro wn. I
f this ha ppe ns yo u sho uld disa sse mb le the c o nne c tio n a nd re -c le a n the c o mpo ne nts. Ca re must b e ta ke n o nc e the swe a t c o nne c tio n is ma de to b e sure the c o nne c tio n is no t disturb e d until the so lde r ha s so lidifie d. Ca re ful a pplic a tio n o f a we t ra g to sho rte n the c o o ling time will minimize the po ssib ility tha t so lde r will run b a c k o ut o f the c o nne c tio n b e fo re so lidifying .
- Cle a n a ll re ma ining flux re sidue fro m the le a d-fre e b ra ss fitting a nd
ma ting c o mpo ne nt o r tub e .
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PE X Pipe / F itting Joining Me thods
T he re are fo ur main jo ining me tho ds use d in the marke t to day: the Coppe r
Cr imp Ring syste m; the Stainle ss Ste e l Clamp Ring
syste m; the Cold E
xpansion with PE X Re infor c e d Ring syste m
(Upo no r/ Wirsb o style ) a nd, the Cold E
xpansion with Me tal Compr e ssion Sle e ve syste m (Ra ha u style ). T
- c ho o se the jo ining
syste m mo st appro priate fo r yo ur installatio n, c o nside r fac to rs re lative to yo ur jo b site prio ritie s.
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Coppe r Crimp Ring Syste m
T his type o f jo ining syste m use s a c o ppe r c rimp ring tha t is c o mpre sse d a ro und the PE X piping to se c ure it to the fitting . F itting s c a n b e ma de o f c o ppe r, b ra ss, b ro nze , o r pla stic . T he fitting will typic a lly ha ve a b a rb e d o r rib b e d a nnula r e nd.
Pa g e 16 o f 55 @ Aa rdva rk Cla sse s
- 1. As with a ll jo ining syste ms, me a sure a nd
c ut the tub e . Be sure yo u ha ve a sq ua re b urr-fre e c ut. An une ve n o r ja g g e d c ut ma y c a use a n impro pe r c o nne c tio n.
- 2. Ne xt, slip a c o ppe r c rimp ring o nto the
tub e . Do no t use ho se c la mps!
Coppe r Cr imp Ring Syste m(c ont.)
Pa g e 17 o f 55 @ Aa rdva rk Cla sse s
- 3. I
nse rt the fitting into the tub e up to the fitting sho ulde r.
- 4. Po sitio n the c rimp ring 1/ 8 inc h to 1/ 4 inc h fro m the
e nd o f the tub e . An impro pe rly po sitio ne d ring ma y pro duc e a we a k c o nne c tio n. Ring ma y b e sq ue e ze d to ho ld it in pla c e until ste p 5 is c o mple te d.
- 5. Po sitio n the to o l so the c rimp ring is c o mple te ly
c o ve re d b y the to o l ja ws. K e e p the to o l a t a 90° a ng le to the fitting a nd c lo se it c o mple te ly. Sq ue e ze ha ndle s to g e the r to c o mple te the c rimp.
Coppe r Cr imp Ring Syste m(c ont.)
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- 6. Ope n the to o l ha ndle s to re le a se ja ws fro m the c rimpe d fitting .
T he fo llo wing dime nsio ns a re the AST M ma ximum a nd minimum c rimpe d ring dia me te rs fo r PE X pipe insta lla tio ns.
- 7. Me a sure the c rimpe d ring with “Go / No -Go ” g a ug e . Se e table
be low. Do no t me a sure b umps o n ring whe re ja ws me t. I
f “Go ”
- n g a g e do e s no t fit, o r if “No -Go ” do e s fit, the n c ut o ut
c o nne c tio n, re pla c e fitting a nd ring , a djust a nd c a lib ra te the to o l, a nd re -c rimp.
Stainle ss Ste e l Clamp Ring Syste m
T his type o f jo ining syste m use s a sta inle ss ste e l c la mp tha t is c o mpre sse d a ro und the PE X piping to se c ure it to the fitting . F itting s c a n b e ma de o f c o ppe r, b ra ss, b ro nze , o r pla stic . T he fitting will typic a lly ha ve a b a rb e d o r rib b e d a nnula r e nd.
- 1. Me a sure a nd c ut the tub ing . Be sure yo u
ha ve a sq ua re , b urr-fre e c ut. An une ve n o r ja g g e d c ut ma y c a use a n impro pe r c o nne c tio n.
- 2. Slide the sta inle ss ste e l c la mp o nto the
tub ing .
- 3. Push fitting into the tub ing until the sho ulde r
- f the fitting is a g a inst the e nd o f the tub ing .
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Stainle ss Ste e l Clamp Ring Syste m (c ont.)
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- 4. Po sitio n the sta inle ss ste e l c la mp so tha t it
is 1/ 8" to 1/ 4" fro m the e nd o f the tub ing .
Impor tant: An impro pe rly po sitio ne d ring
ma y pro duc e a we a k c o nditio n.
- 5. Po sitio n the o pe n to o l o ve r the sta inle ss
ste e l c la mp e a r a t a 90° a ng le . Co mple te ly c o mpre ss the to o l ha ndle s to c lo se the to o l
- ve r the c la mp e a r.
- 6. Re mo ve the to o l. Note : T
he c rimp to o l will no t re le a se until the c o nne c tio n ha s b e e n ma de .
Cold E xpansion with PE X Re infor c e d Rings (Uponor / Wir sbo style )
T he Upo no r/ Wirsb o style o f jo ining syste m re q uire s tha t the PE X piping , with a re info rc ing PE X ring pla c e d o ve r the e nd o f the pipe , is e xpa nde d b e fo re the fitting is inse rte d into the pipe e nd. T he e xpa nde d pipe e nd is a llo we d to re tra c t o nto the fitting to fo rm the se a l—the “me mo ry” o f the pipe a llo ws it to tig hte n o ve r the fitting . An e xpa nde r to o l is re q uire d to e xpa nd the pipe a nd the PE X ring to g e the r. AST M F 1960 is a pplic a b le to fitting s tha t use a PE X re info rc ing ring .
@ Aa rdva rk Cla sse s Pa g e 21 o f 55
Cold E xpansion with PE X Re infor c e d Rings (Uponor / Wir sbo style )
Joining Proc e dure s
- 1. Cut the PE
X tub ing pe rpe ndic ula r to the le ng th o f the tub ing using a c utte r de sig ne d fo r pla stic tub ing . Re mo ve a ll e xc e ss ma te ria l o r b urrs tha t mig ht a ffe c t the fitting c o nne c tio n.
- 2. Slide the PE
X Ring o ve r the e nd o f the tub ing . T he PE X Ring sho uld e xte nd o ve r the e nd o f the tub ing no mo re tha n 1/ 16 inc h. T he e nd o f the tub ing a nd inside o f the PE X Ring must b e dry a nd fre e o f g re a se o r o il to pre ve nt the PE X Ring fro m sliding o ut o f pla c e during e xpa nsio n.
@ Aa rdva rk Cla sse s Pa g e 22 o f 55
Cold E xpansion with PE X Re infor c e d Rings (Uponor / Wir sbo style )
3a . Whe n using the ha nd e xpa nde r to o l, pla c e the fre e ha ndle o f the to o l a g a inst yo ur hip, o r pla c e o ne ha nd
- n e a c h ha ndle whe n ne c e ssa ry. F
ully se pa ra te the to o l ha ndle s a nd inse rt the e xpa nde r he a d into the e nd
- f the tub ing until it sto ps. F
ull e xpa nsio n is ne c e ssa ry to ma ke a pro pe r c o nne c tio n. Bring the ha ndle s to g e the r to e xpa nd. Se pa ra te the ha ndle s, re mo ve the he a d fro m the tub ing a nd ro ta te it 1/ 8 turn. Slide the to o l he a d into the tub ing in the ne wly ro ta te d po sitio n a nd e xpa nd a g a in. I MPORT ANT : Ro ta tio n o f the e xpa nde r he a d in e ithe r dire c tio n a fte r e ve ry e xpa nsio n is ne c e ssa ry to pro vide smo o th a nd e ve n e xpa nsio n o f the tub ing . I f yo u fa il to re po sitio n the he a d a fte r e a c h e xpa nsio n, the se g me nts o f the to o l he a d ma y c a use de e p g ro o ve s in the tub ing , whic h c o uld re sult in po te ntia l le a k pa ths. @ Aa rdva rk Cla sse s Pa g e 23 o f 55
Cold E xpansion with PE X Re infor c e d Rings (Uponor / Wir sbo style )
3b . Whe n using the b a tte ry e xpa nde r to o l, slide the e xpa nde r he a d into the tub ing until it sto ps. F ull e xpa nsio ns a re ne c e ssa ry to ma ke a pro pe r c o nne c tio n. Pre ss the trig g e r to e xpa nd. T he he a d fo r pipe size s up to 1- 1/ 2” will a uto -ro ta te . Re pe a t the e xpa nsio n pro c e ss until the tub ing a nd ring a re snug a g a inst the sho ulde r o n the e xpa nde r he a d. @ Aa rdva rk Cla sse s
- 4. I
mme dia te ly re mo ve the to o l a nd slide the tub ing o ve r the fitting until the tub ing re a c he s the sto p o n the fitting . As yo u slide the tub ing o ve r the fitting , yo u sho uld fe e l so me re sista nc e . I f the tub ing re a c he s the sho ulde r o f the fitting witho ut a ny re sista nc e , the tub ing ma y b e o ve r- e xpa nde d a nd ma y re q uire a dditio na l time to fully shrink o ve r the fitting . T
- e nsure a pro pe r
c o nne c tio n, the PE X Ring must b e se a te d up a g a inst the sho ulde r o f the PE X fitting . Pa g e 24 o f 55
Cold E xpansion with PE X Re infor c e d Rings (Uponor / Wir sbo style )
- 5. At minimum, a ll c o nne c tio ns must b e pre ssure te ste d to the syste m’ s
wo rking pre ssure . PE X tub ing a nd fitting s a re sa fe fo r a ir a nd hydro sta tic te sting .
He lpful Hints
- Ho lding the tub ing in the e xpa nde d po sitio n inc re a se s the time it
ta ke s fo r the tub ing to shrink a ro und the fitting .
- T
he tub ing sho uld ho ld the fitting firmly a fte r just a fe w se c o nds. I f the fitting a ppe a rs lo o se fo r mo re tha n a fe w se c o nds, the tub ing ha s b e e n o ve r-e xpa nde d.
- I
f the re is mo re tha n 1/ 16 inc h b e twe e n the PE X Ring a nd the fitting , sq ua re c ut the tub ing 2 inc he s a wa y fro m the fitting a nd ma ke a no the r c o nne c tio n using a ne w PE X Ring .
- T
ub ing a nd ring s sho uld b o th me e t the pipe sto ps o n the fitting . @ Aa rdva rk Cla sse s Pa g e 25 o f 55
Cold E xpansion with Me tal Compr e ssion Sle e ve s (Rahau Style )
T his type o f jo ining syste m re q uire s tha t the PE X piping is e xpa nde d b e fo re it is pla c e d o ve r the o ve rsize d fitting . T he pipe shrinks do wn
- ve r the fitting inse rt, the n a me ta l c o mpre ssio n sle e ve is pulle d o ve r
the c o nne c tio n, c o mpre ssing the pipe o ve r the fitting . A to o l is re q uire d to e xpa nd the pipe a nd to pull the sle e ve o ve r the pipe . AST M F 2080 is a pplic a b le to c o ld e xpa nsio n fitting s tha t use a me ta l c o mpre ssio n sle e ve .
@ Aa rdva rk Cla sse s Pa g e 26 o f 55
Cold E xpansion with Me tal Compr e ssion Sle e ve s (Rahau Style )
Joining Proc e dure s
- 1. Slide the c o mpre ssio n sle e ve o nto the pipe so tha t the inside -
b e ve le d e nd is fa c ing to wa rd the e nd o f the pipe . Slide the c o mpre ssio n-sle e ve fa r e no ug h do wn the pipe so tha t it will no t pre ve nt e xpa nsio n o f the pipe .
- 2. I
nse rt the he a d o f the e xpa nde r to o l into the pipe . T he e xpa nde r to o l se g me nts sha ll b e c e nte re d inside the pipe .
- 3. F
ully e xpa nd the pipe , ho lding it o pe n fo r a ppro xima te ly 3 se c o nds, a nd re mo ve the to o l. Ro ta te the to o l a ppro xima te ly 30°, inse rt the e xpa nde r-to o l into the pipe a nd re pe a t the e xpa nsio n pro c e ss. T his e nsure s tha t the pipe is ro und inside .
@ Aa rdva rk Cla sse s Pa g e 27 o f 55
Cold E xpansion with Me tal Compr e ssion Sle e ve s (Rahau Style )
- 4. T
he c o ld-e xpa nsio n fitting sho uld b e inse rte d within 30 se c o nds o f the e xpa nsio n; o the rwise the pipe will shrink b a c k to its o rig ina l size a nd b e c o me to o sma ll fo r fitting inse rtio n. T he fitting is pro pe rly inse rte d whe n the PE X pipe is pushe d up a g a inst the la st rib o f the c o ld-e xpa nsio n fitting . If full inse rtio n is no t po ssib le , re mo ve the c o ld-e xpa nsio n fitting imme dia te ly a nd e xpa nd the pipe a g a in fo r 3 se c o nds.
- 5. Whe n the e xpa nsio n is c o mple te , a nd the c o ld-e xpa nsio n fitting is inse rte d
pro pe rly into the PE X pipe , the me ta l c o mpre ssio n sle e ve sha ll b e pulle d o ve r the fitting with the c o mpre ssio n to o l (this ma y b e the sa me to o l a s the e xpa nde r to o l o r a se pa ra te to o l).
- 6. Use the c o mpre ssio n to o l to pull the c o mpre ssio n sle e ve o ve r the c o ld-
e xpa nsio n fitting a nd the PE X pipe e nd until the sle e ve to uc he s the c o lla r o f the fitting o r until the to o l sto ps.
- 7. T
he ma ximum a llo wa b le g a p b e twe e n the e dg e o f the c o mpre ssio n sle e ve a nd the c o lla r o f the c o ld-e xpa nsio n fitting sha ll b e 0.040 inc h. If this g a p is to o la rg e , the n re pe a t the c o mpre ssio n ste p a nd/ o r a djust the to o l.
@ Aa rdva rk Cla sse s Pa g e 28 o f 55
PE X In Co nc r e te
PE X tub ing ma y b e e mb e dde d within a c o nc re te sla b , so lo ng a s it is insta lle d a t a c o ntinuo us run witho ut fitting s. Whe n PE X is e mb e dde d in c o nc re te , it sho uld b e sle e ve d whe re it e nte rs a nd le a ve s the sla b .
Bur ying PE X F ittings
PE X fitting s c a n b e insta lle d in o r unde r c o nc re te if the re c o mme nde d insta lla tio n pra c tic e s a re fo llo we d. Do no t use pe tro le um b a se d se a la nts, c a ulks o r o the r c o mpo unds to pro te c t the fitting s fro m c o rro sio n. T he se ma y a dve rse ly a ffe c t the PE X tub ing .
Using a plastic wr ap
- 1. Ma ke a c rimp c o nne c tio ns fo llo wing the pro pe r pro c e dure s.
- 2. Wra p the fitting a nd c rimp ring s se ve ra l time s with pla stic wra p.
- 3. T
a pe the pla stic wra p in pla c e . Be sure the ta pe do e s no t c o nta c t the PE X tub ing .
@ Aa rdva rk Cla sse s Pa g e 29 o f 55
Installing PE X In Co nc r e te
Using a F
- am Pipe Insulatio n
- 1. Ma ke a c rimp c o nne c tio ns fo llo wing
the pro pe r pro c e dure s.
- 2. Pla c e the fo a m pipe insula tio n o ve r the
fitting a nd c rimp ring s. T he insula tio n sho uld e xte nd 3 inc he s b e yo nd the c rimp ring .
- 3. T
a pe the fo a m pipe insula tio n in pla c e . Be sure the ta pe do e s no t c o nta c t the PE X tub ing .
Using a He at Shr ink
- 1. Ma ke a c rimp c o nne c tio ns fo llo wing
the pro pe r pro c e dure s.
- 2. T
he he a t shrink must b e a pplie d using a ho t a ir g un. Do No t Use Ope n F la me s
- r a T
- rc h.
- 3. F
inishe d c o nne c tio n. @ Aa rdva rk Cla sse s Pa g e 30 o f 55
Insta lling PE X Distribution L ine s
T he fo llo wing illustra tio ns de mo nstra te pro pe r insta lla tio n te c hniq ue s. PE X stra ps a nd ha ng e rs ho ld pipe in po sitio n a nd pre ve nt stra in o n fitting s whe n the pipe is b e nt. Sinc e PE X tub ing e xpa nds o r c o ntra c ts o ne inc h fo r e ve ry 100 fe e t o f pipe fo r e ve ry 10° o f te mpe ra ture c ha ng e , yo u must a llo w fo r e xpa nsio n a nd c o ntra c tio n in lo ng runs with a 12-inc h o ffse t. @ Aa rdva rk Cla sse s Pa g e 31 o f 55
Insta lling PE X Distribution L ine s
Alwa ys c ut the pipe lo ng e r tha n ne c e ssa ry to a llo w so me sla c k fo r a ny c o ntra c tio n in the pipe . 1/ 8" pe r fo o t o f le ng th is usua lly e no ug h. Stra pping suppo rt sho uld b e firm b ut lo o se e no ug h to a llo w the pipe to mo ve b a c k a nd fo rth a s it e xpa nds a nd c o ntra c ts.
Ho rizo nta l runs sho uld b e suppo rte d e ve ry 32 inc he s.
@ Aa rdva rk Cla sse s Pa g e 32 o f 55
Insta lling PE X Distribution L ine s
Stra ps c a n b e a s fa r a s 6 fe e t a pa rt if the pipe is c o ntinuo usly suppo rte d. Ve rtic a l runs ne e d suppo rt a t e ve ry flo o r le ve l.
@ Aa rdva rk Cla sse s Pa g e 33 o f 55
Insta lling PE X Distribution L ine s
T ubing E xpansio n: PE
X tub ing sho uld no t b e pulle d tig ht during insta lla tio n. Ade q ua te sla c k sho uld b e de te rmine d in o rde r to pre ve nt the tub ing fro m e xe rting te nsile lo a ds o n the c o nne c tio ns to the fitting s. Allo w 1/ 8" pe r fo o t o f tub e le ng th a s sla c k. T his sho uld c o ve r insta lla tio ns fro m 35°F
- 160°F
. @ Aa rdva rk Cla sse s
Be nding PE X T ubing: T
he minimum b e nd ra dius fo r PE X is 6 time s the o utside dia me te r
- f the tub ing , whe n b e nding it with the
na tura l c urva ture o f the c o il.
Me tal Studs: Pro te c tive sle e ve s o r b ushing s sho uld b e use d o n PE
X tub ing whe n pe ne tra ting me ta l studs. Sle e ve s a nd b ushing s a re no t re q uire d whe n pe ne tra ting o rdina ry wo o d o r pa rtic le b o a rd if the ho le s a re a t le a st 1/ 8" la rg e r tha n the tub e size a nd tub e mo ve me nt is no t re stric te d. Pa g e 34 o f 55
Insta lling PE X Distribution L ine s
Nailing Plate s
Na iling pla te s sho uld b e use d whe n PE X tub ing is pa ssing thro ug h a stud within 2" o f a na iling surfa c e . Using a na iling pla te minimize s the po ssib ility o f da ma g e to the tub e fro m na ils o r drywa ll sc re ws. @ Aa rdva rk Cla sse s
Insulating T ubing: PE
X is re sista nt to fre e ze da ma g e ; ho we ve r, insta lla tio n spe c ific va ria b le s c a n a ffe c t the pe rfo rma nc e o f the syste m if it is a llo we d to fre e ze up. I n g e ne ra l, plumb ing c o de s spe c ify tha t tub ing run thro ug h a ttic s a nd e xte rio r wa lls sho uld b e insula te d. As suc h, PE X tub ing sho uld b e insula te d a c c o rding to c o de re q uire me nts. I nsula tio n tha t is typic a lly use d in c o ppe r a nd CPVC insta lla tio ns wo uld pro vide e q uiva le nt pro te c tio n fo r PE X tub ing . Pa g e 35 o f 55
Supporting PE X Distribution L ine s
Co nde nsatio n
PE X tub e tra nsfe rs he a t a t a muc h slo we r ra te tha n c o ppe r tub e . T his me a ns tha t it is muc h le ss like ly fo r c o nd e nsa tio n to fo rm o n the PE X tub e tha n it is fo r c o ppe r in the sa me c o nd itio ns. T his d o e s no t me a n tha t c o nd e nsa tio n c a nno t fo rm und e r c e rta in c o nd itio ns. T he site va ria b le s o f re la tive humid ity, a mb ie nt te mpe ra ture a nd wa te r te mpe ra ture a re a ll fa c to rs in the fo rma tio n o f c o nd e nsa tio n o n a ny piping .
Note s:
Whe n using e xpa nd ing fo a m to insula te tub ing , ple a se c o nta c t the PE X tub ing ma nufa c ture r fo r re c o mme nd a tio ns. While ma ny e xpa nd ing fo a ms ha ve b e e n te ste d a nd ha ve sho wn no a d ve rse e ffe c ts to PE X tub ing , no t a ll fo a ms a re the sa me . Be st re sults a re a c hie ve d b y using c la mps, pipe insula to rs, a nd stra pping d e sig ne d fo r pla stic plumb ing syste ms. Whe n running PE X tub ing , b e sure to ke e p it a wa y fro m po te ntia l so urc e s o f he a t. Ma inta in a minimum o f 12 inc he s b e twe e n PE X a nd a ny re c e sse d lig ht fixture a nd a minimum o f 6 inc he s b e twe e n PE X a nd a ny g a s a pplia nc e ve nt. T he use o f zip tie s to a tta c h PE X to DWV piping is a c c e pta b le so lo ng a s the tie s le a ve e no ug h ro o m fo r fre e mo ve me nt o f the tub ing . Whe n insta lling runs o f PE X, it is so me time s ne c e ssa ry to pull o ne tub e pa st a no the r. Ca re sho uld b e ta ke n to ma ke sure tha t the fric tio n o f the mo ving tub e d o e s no t b urn
- r we a r a no tc h in the sta tio na ry tub e . If this o c c urs, the no tc he d se c tio n o f the tub e
must b e c ut o ut a nd re pla c e d .
@ Aa rdva rk Cla sse s Pa g e 36 o f 55
Pre ssure T e sting
All PE X syste ms must b e pre ssure te ste d a fte r insta lla tio n.
Wate r : If wa te r is use d fo r pre ssure te sting a nd the b uilding is unhe a te d, the
syste m sho uld b e dra ine d a fte r te sting to pre ve nt fre e zing . T e st pre ssure sha ll b e a t le a st e q ua l to no rma l o pe ra ting pre ssure b ut no t le ss tha n 40 psi a nd no t mo re tha n 225 psi. T e st dura tio n sho uld no t b e le ss tha n 15 minute s.
Air : If a ir is use d fo r pre ssure te sting , use a pre ssure no le ss tha n 40 psi b ut no t
mo re tha n 125 psi. T he mo st c o mmo n te st pre ssure is 100 psi. T he syste m sha ll b e te ste d fo r a minimum o f 15 minute s a nd the pre ssure sha ll no t dro p mo re tha n 8 psi in o ne ho ur. T his is due to initia l de fo rma tio n o f tub e fo llo we d b y slo w e xpa nsio n. Sho uld the syste m lo se o ve r 8 psi in o ne ho ur, re -pre ssurize a nd te st a g a in. Sho uld the pro b le m pe rsist, use a so a py so lutio ns b e lo w fo r le a k de te c tio n. Re pla c e the fitting a nd re te st.
L e a k De te c tion: F
- r le a k de te c tio n, use a dilute d so lutio n (2 o z. dishwa shing
de te rg e nt pe r g a llo n o f wa te r).
@ Aa rdva rk Cla sse s Pa g e 37 o f 55
PE X Insta lla tion Pre c a utions
Whe n insta lling a PE X syste m we re c o mme nd fo llo wing the pra c tic e s liste d b e lo w to ma ximize the life o f the syste m:
- Do no t use suppo rts tha t ha ve sha rp e dg e s whic h c o uld da ma g e
the tub ing . T ub e suppo rts sho uld a llo w fre e tub ing mo ve me nt.
- Do no t insta ll PE
X within 6 inc he s o f a ny g a s a pplia nc e sing le wa ll ve nt. T he e xc e ptio n is whe n a do ub le wa lle d B-ve nt is use d, whic h ha s a minimum c le a ra nc e o f o ne inc h.
- I
t is a c c e pta b le to run PE X tub e ne xt to no rma l HVAC duc two rk, pro vide d the tub ing c a nno t b e c ut o r a b ra de d b y sha rp e dg e s o n the duc two rk.
- I
t is a c c e pta b le to insta ll PE X tub ing within 12 inc he s o f re c e sse d lig ht fixture s o nly whe n insula tio n ha s b e e n insta lle d with the spe c ific purpo se o f pro te c ting the tub ing fro m e xc e ssive he a t.
@ Aa rdva rk Cla sse s Pa g e 38 o f 55
PE X Insta lla tion Pre c a utions
- Whe n PE
X tub ing is fre e to unifo rmly e xpa nd, it is re sista nt to fre e ze da ma g e in a n a c c ide nta l fre e ze . Ho we ve r, if PE X tub ing is to b e insta lle d in a n a re a sub je c t to re g ula r fre e zing c o nditio ns, we re c o mme nd tha t the tub ing b e insula te d o r o the rwise pro te c te d a s re q uire d b y lo c a l c o de .
- PE
X tub ing is a ppro ve d fo r wa te r distrib utio n o nly a nd sho uld no t b e use d fo r distrib utio n o f pe tro le um b a se d pro duc ts suc h a s liq uid pe tro le um (L P) o r na tura l g a s.
- PE
X tub ing sho uld no t b e e xpo se d to o r sto re d in dire c t ultra vio le t lig ht.
- I
t is the re spo nsib ility o f the insta lle r to a vo id mixing po lyb utyle ne a nd PE X c o mpo ne nts, whic h ma y c a use plumb ing syste m fa ilure a nd re sult in se ve re wa te r da ma g e .
@ Aa rdva rk Cla sse s Pa g e 39 o f 55
Conne c ting PE X to a Wa te r He a te r
Gas Wate r He ate r s: PE
X must b e ke pt a t le a st 6" a wa y fro m the e xha ust ve nt
- f a g a s-fire d wa te r he a te r. T
his is e a sily a c c o mplishe d b y using c o ppe r tub ing fo r the first 18”. PE X ma y b e dire c tly c o nne c te d to side inle t/ o utle t wa te r he a te rs. Whe n c o nne c ting to a po we r ve nte d g a s wa te r he a te r, PE X tub ing sho uld b e ke pt a t le a st 6" a wa y fro m a me ta l b lo we r ho using b ut ma y b e dire c tly c o nne c te d to the wa te r he a te r if the b lo we r ho using is pla stic .
E le c tr ic Wate r He ate r s: PE
X ma y b e c o nne c te d dire c tly to e le c tric wa te r he a te rs fo r re side ntia l plumb ing a pplic a tio ns. PE X ha s b ra ss ma le a nd fe ma le thre a de d a da pte rs a nd swive l a da pte rs tha t c a n b e use d fo r this a pplic a tio n.
T a nkle ss Wa te r He a te r s: Be c a use o f the e xtre me ly hig h te mpe ra ture s
pro duc e d b y so me ta nkle ss wa te r he a te rs, use c o ppe r tub ing fo r the first 12”
- f the he a te r’ s supply a nd disc ha rg e .
Wate r He ate r T e mpe r atur e and Pr e ssur e Re lie f Valve s: PE
X tub ing ma y b e use d o n the disc ha rg e side o f a typic a l wa te r he a te r te mpe ra ture -pre ssure re lie f va lve .
@ Aa rdva rk Cla sse s Pa g e 40 o f 55
Insta lla tion with a PE X Ma nifold
Insta lla tion with a PE X Ma nifold
Ma nifo lds e ffic ie ntly a nd e ffe c tive ly de live r ho t wa te r fa ste r. T he ma nifo ld distrib utio n syste m o ffe rs a va rie ty o f b e ne fits inc luding :
- Co ntro lla b le wa te r distrib utio n
- No b e hind the wa ll o r in-line b e lo w flo o r fitting s
- Inc re a se d wa te r flo w a nd pre ssure
Sizing the Ma nifold Syste m
T he ma nifo ld syste m a llo ws individua l ho t o r c o ld line s to b e c o nne c te d to e a c h fixture inle t fro m the ma nifo ld. T
- size a ma nifo ld, c o unt the numb e r o f
c o ld wa te r lo c a tio ns in the ho use a s we ll a s o utside ho se b ib b s a nd the re frig e ra to r ic e ma ke r. Ne xt, c o unt the numb e r o f ho t wa te r lo c a tio ns in the ho use . Cho o se yo ur ma nifo ld a c c o rding to the de sire d numb e r o f ho t a nd c o ld po rts. Impor
ta nt: All unuse d po rts sho uld b e c a ppe d, e ve n if the va lve is
c lo se d.
L
- c a ting the Ma nifold
T he ma nifo ld sho uld b e insta lle d in a n a c c e ssib le a re a (ne a r the wa te r he a te r fo r ho t wa te r ma nifo lds, b ut no t c lo se r tha n 18" fro m the wa te r he a te r
- utle t).
@ Aa rdva rk Cla sse s Pa g e 41 o f 55
Bundling PE X Distr ibution L ine s
Whe n the distrib utio n line s a re run in a b undle , the tub ing sho uld b e la b e le d a t b o th e nds a nd a t le a st o nc e in e a c h ro o m the b undle pa sse s thro ug h. T he c o ld distrib utio n line s c a n b e b undle d to g e the r. Ho t distrib utio n line s sho uld b e inde pe nde ntly insula te d a nd the n b undle d. Bundle s sho uld b e wra ppe d with a he a vy g a ug e pla stic she e t o r fo a m insula tio n a t lo c a tio ns whe re fa ste ne rs a re a tta c he d . T he pla stic she e t a nd fo a m insula tio n ma y b e fa ste ne d using ta pe o r nylo n wire tie s. Apply the ta pe to the pla stic she e t, no t the tub ing b undle . T his will a llo w the tub ing to slide .
Comple ting the Installation Onc e insta lla tio n is c o mple te , it is
re c o mme nde d tha t a ll po rts b e la b e le d a c c o rding ly so tha t the y ma y b e shut o ff to a pa rtic ula r fixture . @ Aa rdva rk Cla sse s Pa g e 42 o f 55
Bundling PE X Distr ibution L ine s
Note : T
ub ing hung fro m flo o r jo ists o r running a c ro ss ra fte rs sho uld b e suppo rte d o r stra ppe d e ve ry 32". @ Aa rdva rk Cla sse s Pa g e 43 o f 55
Syste m Sizing a nd De sig n
T he fo llo wing ta b le s c a n b e use d to a ssist the de sig ne r whe n de sig ning a plumb ing syste m using PE X.
E quivale nt T ubing L e ngth: Alo ng with the pre ssure lo ss thro ug h the
supply tub ing , a ny pre ssure lo ss thro ug h a ny o the r c o mpo ne nts in the syste m must b e ta ke n into a c c o unt, suc h a s fitting s, shut o ff va lve s, e tc . Be lo w is a c ha rt tha t sho ws the e q uiva le nt le ng th o f tub e in fe e t pe r o ne fitting fo r fitting s.
@ Aa rdva rk Cla sse s Pa g e 44 o f 55
Syste m Sizing a nd De sig n
@ Aa rdva rk Cla sse s Pa g e 45 o f 55
Syste m Sizing a nd De sig n
F itting E quivale nt L e ngth (F e e t of T ube ) Br ass PE X F ittings T ubing Size
1/2" 3/4" 1" 1-1/4" 1-1/2" 2"
Co upling
2.8 3.5 1.0 0.9 0.5 2.6
E lb o w
8 9.2 7.8 10 12.5 22.1
T e e – Run
2.4 3.5 2.7 1.0 2.0 3.5
T e e - Bra nc h
7.1 8.6 5.5 9.0 12.3 19.6 @ Aa rdva rk Cla sse s Pa g e 46 o f 55
F itting E quivale nt L e ngth (F e e t of T ube ) Polyme r PE X F ittings T ubing Size
1/2" 3/4" 1"
Co upling
6.4 6.9 4.1
E lb o w
13.5 15.5 17.4
T e e – Run
5.9 7.0 6.2
T e e - Bra nc h
12.3 14.9 16.1
Syste m Sizing a nd De sig n
@ Aa rdva rk Cla sse s Pa g e 47 o f 55
NSF Standar ds, De sc r iptions, and Mar kings
PE X utilize s NSF I nte rna tio na l a s its third pa rty listing a g e nc y fo r NSF a nd AST M sta nda rd c o mplia nc e fo r the ma jo rity o f o ur pro duc ts. NSF I nte rna tio na l is a we ll kno wn a nd we ll re spe c te d listing a g e nc y. PE X listing s c a n b e fo und o n the NSF I nte rna tio na l we b site a t www.nsf.o rg .
NSF Standard 61 is the sta nda rd tha t e sta b lishe s minimum he a lth
e ffe c ts re q uire me nts fo r the c he mic a l c o nta mina nts a nd impuritie s tha t a re indire c tly impa rte d to drinking wa te r fro m pro duc ts, c o mpo ne nts, a nd ma te ria l use d in drinking wa te r syste ms. PE X syste ms inte nde d fo r po ta b le wa te r me e t the re q uire me nts o f NSF 61.
NSF Standard 61 – Anne x G is the a nne x to NSF
Sta nda rd 61 tha t te sts fo r the a mo unt o f le a d in a pro duc t fo r c o nfo rma nc e to Ca lifo rnia a nd Ve rmo nt lo w le a d le g isla tio n. PE X syste ms inte nde d fo r po ta b le wa te r must me e t the re q uire me nts fo r NSF 61 – Anne x G.
@ Aa rdva rk Cla sse s Pa g e 48 o f 55
NSF Standar ds, De sc r iptions, and Mar kings
NSF Standard 14 e sta b lishe s physic a l, pe rfo rma nc e , a nd he a lth
e ffe c ts re q uire me nts fo r pla stic piping syste m c o mpo ne nts a nd re la te d ma te ria ls. PE X syste ms inte nde d fo r po ta b le wa te r must me e t the re q uire me nts o f NSF 14.
NSF Markings
- NSF
- pw indic a te s c o mplia nc e to NSF
Sta nda rds 61 a nd 14.
- c NSF
us-pw indic a te s c o mplia nc e to NSF
Sta nda rds 61 a nd 14 a s we ll a s c o mplia nc e to Ca na dia n a nd U.S. sta nda rds re fe re nc e d in the re spe c tive na tio na l plumb ing c o de s.
- c NSF
us-pw-G indic a te s c o mplia nc e to NSF
Sta nda rds 61 a nd 14 inc luding Anne x G (lo w le a d) a s we ll a s c o mplia nc e to Ca na dia n a nd U.S. sta nda rds re fe re nc e d in the re spe c tive na tio na l plumb ing c o de s.
Pa g e 49 o f 55
AST M Standar ds and De sc r iptions
PE X plumbing syste ms are fre que ntly de sc ribe d in one or more diffe re nt AST M Standards. AST M F 876 is the sta nda rd tha t spe c ifie s the ma te ria l pro pe rtie s a nd
the dime nsio ns fo r PE X tub e . T his tub ing is "c o ppe r tub e size “ me a ning tha t the PE X tub e ha s the sa me o utside dia me te r a s c o ppe r tub e . All o f the tub e ma de to this sta nda rd ha s the sa me pre ssure -te mpe ra ture ra ting s o f 160 psi @ 73°F a nd 100 psi @ 180°F . F
- r he a ting a pplic a tio ns, the sta nda rd a lso ha s a pre ssure -
te mpe ra ture ra ting o f 80 psi @ 200°F .
AST M F 877 is the sta nda rd tha t spe c ifie s the pe rfo rma nc e
re q uire me nts fo r a PE X syste m, tub e a nd fitting s to g e the r. I t ha s re q uire me nts fo r Minimum Burst a t 73°F a nd 180°F , Susta ine d Pre ssure T e st (1000 ho urs) a t 73°F a nd 180°F , T he rmo c yc ling a t 100 psi a nd E xc e ssive T e mpe ra ture a nd Pre ssure fo r 30 da ys to simula te a wa te r he a te r ma lfunc tio n.
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AST M Standar ds and De sc r iptions
AST M F 1807 is the sta nda rd fo r b ra ss o r c o ppe r inse rt a nd c rimp
fitting s. T his sta nda rd spe c ifie s a c c e pta b le ma te ria ls fo r the se fitting a nd spe c ifie s the dime nsio ns fo r the inse rt o r b a rb e d po rtio n o f the fitting s. I t a lso g ive s the dime nsio ns a nd the ma te ria l spe c ific a tio ns fo r the c o ppe r c rimp ring s a nd the finishe d c rimp dime nsio ns. T he se fitting s, whe n te ste d with PE X tub e ha ve to me e t the pe rfo rma nc e re q uire me nts fo r PE X syste ms a s re q uire d in AST M F
- 877. Zurn PE
X b ra ss inse rt fitting s a nd c o ppe r c rimp ring s me e t the re q uire me nts o f AST M F 1807.
AST M F 2159 is the sta nda rd fo r pla stic inse rt a nd c rimp fitting s. T
his sta nda rd spe c ifie s the a c c e pta b le ma te ria ls a nd dime nsio ns fo r the fitting s. I t a lso ha s so me te st re q uire me nts fo r e va lua ting the q ua lity
- f the mo lding pro c e ss tha t wa s use d to ma ke the fitting s. T
he se fitting s, whe n te ste d with PE X tub e ha ve to me e t the pe rfo rma nc e re q uire me nts fo r PE X syste ms a s re q uire d in AST M F
- 877. Zurn PE
X pla stic inse rt fitting s me e t the re q uire me nts o f AST M F 2159.
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AST M Standar ds and De sc r iptions
Othe r AST M F itting Sta nda r ds AST M F 1960 is the sta nda rd fo r "Co ld E
xpa nsio n F itting s" a s so ld b y Wirsb o / Upo no r. Zurn PE X tub e c a n b e use d with the se fitting s so the sta nda rd numb e r is inc lude d in the print string o n Zurn tub e b ut the syste m is no t c o ve re d b y the Zurn PE X wa rra nty.
AST M F 2080 is the sta nda rd fo r "Co ld E
xpa nsio n F itting s with Me ta l Co mpre ssio n Sle e ve s" a s so ld b y Re ha u. Zurn PE X tub e c a n b e use d with the se fitting s so the sta nda rd numb e r is inc lude d in the print string o n Zurn tub e b ut the syste m is no t c o ve re d b y the Zurn PE X wa rra nty.
AST M F 2098 is the sta nda rd fo r a "Sta inle ss Ste e l Cla mp" to b e use d in pla c e
- f a c o ppe r c rimp ring fo r b ra ss o r c o ppe r inse rt fitting s me e ting the
re q uire me nts o f F 1807 o r pla stic inse rt fitting s me e ting the re q uire me nts o f AST M F
- 2159. Zurn ma nufa c ture s ring s me e ting the re q uire me nts o f this
sta nda rd a nd the y a re c o ve re d b y a spe c ia l, limite d time wa rra nty.
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AST M Standar ds and De sc r iptions
De ta ile d De sc ription of the T e st Re quire me nts of AST M F 877 for PE X Plumbing Syste ms Burst T e st a t Room T e mpe ra ture a nd 180°F
I n this te st, sa mple a sse mb lie s a re sub je c te d to a c o nsta ntly inc re a sing pre ssure until so me thing fa ils. T he minimum a c c e pta b le pre ssure de pe nds o n the size o f the tub e , b ut it is a minimum o f 620 psi a t ro o m te mpe ra ture a nd 275 psi a t 180°F . T he pre ssure is inc re a se d a t a ra te tha t will c a use fa ilure in a b o ut 1 minute . T he sig nific a nc e o f this te st is tha t it de mo nstra te s tha t the sho rt te rm stre ng th o f the c o nne c tio n e xc e e ds the stre ng th o f the tub e .
Susta ine d Pre ssure T e st a t 180°F
I n this te st, sa mple a sse mb lie s a re pla c e o n a c o ntinuo us pre ssure te st while in a n
- ve n o r wa te r b a th a t 180°F
. T he pre ssure de pe nds o n the size o f tub e b ut it is a minimum o f 190 psi. T he se sa mple s a re ke pt o n te st fo r 1000 ho urs (six we e ks) a nd the y must no t le a k o r c o me a pa rt. T he sig nific a nc e o f this te st is tha t it sho ws tha t a t e le va te d te mpe ra ture , the c o nne c tio n is c a pa b le o f ho lding the sa me e le va te d te st pre ssure tha t is re q uire d o f the tub e . Wa te r pre ssure in ho me s is typic a lly b e twe e n 40 a nd 60 psi so this te st pre ssure is a t le a st 3 time s the usua l pre ssure in a plumb ing syste m.
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AST M Standar ds and De sc r iptions
T he r moc yc le T e st
In this te st, sa mple a sse mb lie s o f a re pre ssurize d to 100 psi with nitro g e n g a s. T he y a re the n imme rse d in a ho t wa te r b a th a t 180°F a nd he ld the re fo r a minimum o f 2 minute s. Afte r tha t the sa mple s a re mo ve d to a c o ld wa te r b a th a nd he ld the re fo r 2 minute s. T his c yc le is re pe a te d 1000 time s a nd the sa mple s must no t le a k. T his te st de mo nstra te s tha t the c o nne c tio n b e twe e n the tub e a nd fitting will re ma in le a k fre e e ve n a s the te mpe ra ture c ha ng e s. T his te st is ve ry ha rsh b e c a use nitro g e n g a s is a muc h sma lle r mo le c ule tha n wa te r a nd it will le a k in situa tio ns we re wa te r wo uld no t.
E xc e ssive T e mpe r a tur e a nd Pr e ssur e T e st
In this te st, sa mple a sse mb lie s a re pre ssurize d to 150 psi a nd ke pt in a n o ve n a t 210°F . T he sa mple s a re ma inta ine d a t this c o nditio n fo r 720 ho urs (30 da ys) a nd the y must no t le a k o r c o me a pa rt. Mo st do me stic wa te r he a te rs ha ve te mpe ra ture / pre ssure re lie f va lve tha t o pe ra te whe n the te mpe ra ture e xc e e ds 210°F
- r the pre ssure e xc e e ds 150 psi. T
his te st de mo nstra te s tha t e ve n a t the e xtre me c o nditio ns o f a wa te r he a te r ma lfunc tio n, the syste m is c a pa b le ha ndling the pre ssure a nd te mpe ra ture witho ut le a king o r c o ming a pa rt.
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Conc lusion
T ha nk yo u fo r se le c ting @ Aa rdva rk Cla sse s to pro vide the c o ntinuing e duc a tio n c re dits yo u ne e d to fulfill yo ur lic e nsing re q uire me nts. We ho pe yo u fo und this pre se nta tio n he lpful in ma king yo u a b e tte r tra de sma n. T his pre se nta tio n is a va ila b le to yo u a nytime in the e ve nt yo u ne e d to re fe re nc e it in the future . Ag a in, tha nk yo u fo r re vie wing @ Aa rdva rk Cla sse s pre se nta tio n
- f:
“PE X Re side ntial Plumbing Installation”
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