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"