4-3/4"
3-7/8"LevelIndicator
Flow DirectionArrow
VisualStatusWindow
Specifications: Model 310 NPT Valve Horizontal Flow
4"
California Seismic Valves are UL listed in the USA. Certified by the California State Architect's Office, Approved by the City of Los Angeles, and are warranted free of manufacturer's defects for 30 years. All valves meet California Standards for Earthquake Actuated Automatic Gas Shut off Systems, Standard No. 12-23-1, ANSI Z21.70, 1981 and ASCE 25-97 Standards.
ValveModel#
310
CA-DSA No.
45R-113R
Length
4"
Height
4-3/4"
Width
3-7/8"
NominalPipe Size
3/4"
ThreadsPer Inch
14
A P P L I C A T I O N D A T A
60 psi Dry Fuel Gas
Max. Pressure Fuel
Reset
Tel (661) 942-4499Fax (661) 942-0999TF (800) 4-GAS-OFF www.4GasOff.net233 East Avenue H-8 l Lancaster, CA 93535 l USA
3/4” Model 310 California Seismic ValveThreaded Horizontal
FLOW CAPACITY TABLE IWC/PSIG - Capacity S.C.F.H.Merit Rating: Cv 21 (Equivalent Length of Pipe is 3 Feet)
For determining approximate values at selected natural gas pressures to
0.10.20.30.40.50.60.70.80.91.02.03.04.05.0
.0036
.0072
.0108
.0144
.0180
.0216
.0252
.0288
.0324
.0360
.0720
.1080
.1440
.1800
362512627724809886957
1,0231,0851,1441,6161,9762,2792,545
Pressure DropPSI IWC 8” iwc Inlet
365516631729815893964
1,0311,0931,1521,6271,9902,2962,564
14” iwc Inlet
393556681786879963
1,0401,1111,1791,2421,7552,1472,4772,767
3 psi Inlet
415587718829927
1,0161,0971,1731,2441,3111,8522,2862,6142,920
5 psi Inlet
435616754871973
1,0661,1511,2311,3051,3761,9442,3792,7453,066
7 psi Inlet
465657804929
1,0381,1371,2291,3131,3931,4682,0752,5392,9303,273
10 psi Inlet
551779954
1,1011,2311,3481,4561,5571,6511,7402,4603,0113,4753,884
20 psi Inlet
8081,1431,3991,6161,8061,9792,1372,2852,4232,5543,6124,4225,1055,706
60 psi Inlet
MaximumPressures
ofAvailable
Sizes
7 psi
60 psi
Horizontal ValvesSizes Available
FlangedNPTAmbient
TemperatureUL -400 to 1500 FCA DSA:
-100 to 1500FFluid
Natural gasLP gas
3/4" 1" 11/4" 11/2" 2" 21/2" 3" 4" 2" 21/2" 3" 4" 6" 8"