Earthquake Gas Valve Source,home for Seismic Safety Automatic Gas Shut Off Valve,San Francisco, Bay Area
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THE VALVE

"Seismic gas shut-off valves, .......... automatically stop the flow of natural gas into a home when triggered by an earthquake."
Los Angeles Times Sunday, July 16,2000

Horizontal Valve 3/4" - 2"

Horizontal valve       
    
Vertical Valve 3/4" - 2"

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How to choose the right size valve?
1. The size of the earthquake gas valve has to match the size of your main gas pipe that enters your home.
Before ordering a gas shutoff valve, you must measure the gas line that enters your home.
2. Wrap a string around the
main gas line that enters your home. Mark the exact point where the string overlaps the end.

3. Remove the string from your gas line and measure the distance from the edge of the string to the mark you have made.
4. In the chart below in the column Pipe Circumference. The corresponding number in the column Pipe Size is your gas line pipe size.
5. This measurement will be within 1/8" of one of the figures noted on the string, or in the chart below in the column Pipe Circumference. The corresponding number in the column Pipe Size is your gas line pipe size. Refer to this measurement when ordering a gas shutoff valve.

Pipe Circumference
- measurement around pipe
Pipe Size
3-5/16"
4-1/8"
5-1/4"
6"
7-7/16
3/4"
1"
1-1/4"
1-1/2"
2"

 

Valve Specifications
Model#
Pipe Size Max. Pressure Length Width Height Weight 0.5"W.C BTU/HR
x1000

1.0"W.C BTU/HR
x1000

Effective Pipe Length Cv Value
3/4 " Gas Shutoff Valve Specifications
AGV-75 Horizontal
3/4" NPT 5 psi 3" 1-1/2" 3" 1 lbs. 692 977 3.4' 18.1
NAVG-75
Ninty Degree

3/4"
NPT
10 psi 3.2" 2" 3" 1.5 560 760 3 13.8
VAGV-75 Vertical
3/4" NPT 10 psi 2-1/2" 2" 3-3/8" 1 lbs. 600 895 3 16.4
1" Gas Shutoff Valve Specifications
AGV- 100 Horizontal
1" NPT 5 psi 4" 1-3/4" 3-1/2" 1.5 Lbs 1,153 1,628 4.5' 30.2
NAVG-100
Ninty Degree
1" NPT 10 psi 3.2" 2" 3.1" 1.5 694 947 9 16.6
VAGV-100 Vertical
1" NPT 10 psi 2-1/2" 2" 3-3/8" 1 Lbs. 515 765 10.0' 14.1
1-1/4" Gas Shutoff Valve Specifications
AGV-125 Horizontal
1-1/4" NPT 5 psi 4" 2-1/3" 4-2/3" 3 lbs. 1,889 2,677 6.9' 49.6
NAVG-125
Ninty Degree
1-1/4" NPT 10 psi 3.3" 2" 3.1" 1.5 694 947 16 16.6
VAGV-125 Vertical
1-1/4" NPT 10 psi 2.5" 2" 3.4" 1 lbs. 440 650 75.0' 12
VAGV-125-HF Vertical
1-1/4" NPT 2 psi 4.2" 3.3" 5.2" 7 lbs. 2,400 3,700 4.0' 56.5
Model#
Pipe Size Max. Pressure Length Width Height Weight 0.5"W.C BTU/HR x1000

1.0"W.C BTU/HR
x1000

Effective Pipe Length CV Value
1-1/2" Gas Shutoff Valve Specifications
AGV- 150 Horizontal
1-1/2" NPT 5 psi 6" 3" 5-1/2" 6 lbs. 4,079 5,759 10.0" 107
VAGV- 150 Vertical
1-1/2" NPT 2 psi 4.2" 3.3"" 5.2" 7 lbs. 2,400 3,700 6.0' 68.8
AGV-150-HP Horizontal
1-1/2" NPT 60 psi 6" 3" 5-1/2" 6 lbs. 4.079 5,759 10.0' 107
VAGV-150-HP Vertical
1-1/2" NPT 60 psi 4.2" 3.3" 5.2" 7 lbs. 2,400 3,700 6.0' 68.8
2" Gas Shutoff Valve Specifications
AGV-200 Horizontal
2" NPT 5 psi 6" 3" 5-1/2" 6 lbs. 4,079 5,759 10.0' 107
VAGV-200 Vertical
2" NPT 2 psi 4.2" 3.3" 5.2" 7 lbs. 1,800 2,500 40.0' 46.8
AGV-200-HP Horizontal
2" NPT 60 psi 6" 3" 5-1/2" 6 lbs. 4,079 5,759 10.0' 107
VAGV-200-HP Vertical
2" NPT 60 psi 4.2" 3.3" 5.2" 7 lbs. 1,800 2,500 40.0' 46.8






*Valves Have Been Tested to ASCE 25-97, State of California 12-23-1 & ANSI Z21.70-1981 Standards for Seismic Gas Valves.

Install the valve with the Stabilizer Bracket and prevent false activation.
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Earthquake Gas Valve Source

California, USA

510. 843. 3275

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Automatic gas shut off gas valve
 
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