Automatic Gas Shut-Off Devices The Earthquake Sensor & Shut Off - - PowerPoint PPT Presentation

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Automatic Gas Shut-Off Devices The Earthquake Sensor & Shut Off - - PowerPoint PPT Presentation

Earthquake-Proof Automatic Gas Shut-Off Devices The Earthquake Sensor & Shut Off Valve Earthquake-Proof Shut Off Valve Earthquake-Proof Detecting Sensor Lineup EQT-25 EQH-25 EQ-25 3 Features When an earthquake occurs, this device


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SLIDE 1

Earthquake-Proof Automatic Gas Shut-Off Devices

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SLIDE 2

The Earthquake Sensor & Shut Off Valve

Earthquake-Proof Detecting Sensor Earthquake-Proof Shut Off Valve

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SLIDE 3

Lineup

EQ-25 EQT-25 EQH-25

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SLIDE 4

3 Features

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SLIDE 5
  • When an earthquake occurs, this device

shuts off the LP gas supply at the entry point

  • f gas line.
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SLIDE 6

SHAKING!! Earthquake!!

Cylinder Pressure Flow Middle Pressure Flow No Flow

Shut-off Activated

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SLIDE 7
  • A combination of two elements with

different operating characteristics provides this sensor with stability.

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SLIDE 8

Set Resetting Activated

↔ ↕

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SLIDE 9
  • This device does not require electricity.

Explosion-proof certification is not necessary.

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SLIDE 10

Mechanism Of Shut-Off

OPEN

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SLIDE 11

Mechanism Of Shut-Off

OPEN CLOSED GAS SUPPLY STOPPED

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SLIDE 12

Earthquake Detecting Sensor

Observation Window Steel Ball Heavy Bob

When Supplying Gas Normally When an Earthquake Occurs Reset Lever (Normal Position) Reset Lever (Activated) Activated Set Resetting

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SLIDE 13

21/43

Shut Off Valve Signal

When this GREEN stick shows, the valve is OPEN. The status is normal and gas is flowing.

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SLIDE 14

20/43 リセットボタン(2~3秒押す)

Resetting the Earthquake-Proof Shut Off Valve

Signal (Green) Cap (Green) Reset Button (Push for 2 to 3 Sec.) Ball Valve Remove The Cap

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SLIDE 15

Earthquake-Proof Shut Off Valve

EQ Series

Working Pressure Range: 0.025~ 0.20MPa (250 mbar ~ 2 bar)

EQH Series

Working Pressure Range: 0.07~ 1.56MPa ( 700 mbar ~ 15.6 bar)

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SLIDE 16

Earthquake Detecting Sensor

C2-250B・400B

Working Pressure Range: 0.025~ 0.20MPa (250 mbar ~ 2 bar)

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SLIDE 17

14/44

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SLIDE 18

Installation Example - Japan

Single-stage Regulator

Model: GL-70-1

Seismic sensor

Model: C2-400B

Second-stage Regulator

Model: GL-70-2

Earthquake-Proof Shut-off Valve

Model: EQT-20

Earthquake-Proof Shut-off Valve

Model: EQH-25

Automatic Changeover First-stage Regulators

Model: AX-160-0

Sensor Impulse Line (Copper Pipe)

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SLIDE 19

Earthquake Detecting Sensor

CP-250B・400B

Working Pressure Range: 0.1~0.35MPa (1 bar ~ 3.5 bar)

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SLIDE 20

Earthquake-Proof Automatic Gas Shut-Off System

for Liquefied LPG or Tank Supply

“Normally Close” Needle Valve Corporated with Orifice Model: IV-215BE

  • To limit the amount of the exhaust gas when

the blow valve operates

  • To refill the pressure into the sensor impulse

line Valve “Normally Open” Blow Valve Regulator for Sensor Impulse Line Source

  • f Pressure

Manual operation valve for emergency shut-off “Normally Close” Set at 0.3 ~ 0.35 MPa Fusible Valve In case of fire, the metal which seals the hole on the valve head shall be fused blowing the gas off from the impulse line. Air Compressor etc

Sensor Impulse Line

Seismic Sensor for Storage Tank Model: CP-250B or CP-400B

Liquefied Petroleum Gas Storage Tank

Air Actuated Emergency Shut

  • ff Valve

Model: BS-20STLB

Tank

Pump for Liquid LPG

Pump Air: 0.3 ~ 0.35 MPa Liquid LPG

Master Valve Master Valve

Outlet Inlet

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SLIDE 21

Thank You for Your Time. Arigato.