1308.12 Shutoff Valves — 2025 California Mechanical Code

Shutoff valves shall be selected in

accordance with Table 1308.12. Shutoff valves of size 1 inch

(25 mm) National Pipe Thread and smaller shall be listed and labeled. Where used outdoors, such use shall be in accordance with the manufacturer’s recommendation. [NFPA 54:5.11] TABLE 1308.12

MANUAL GAS VALVE STANDARDS

[NFPA 54: TABLE 5.11]

SHUTOFF VALVE APPLICATION	STANDARDS
Appliance shutoff valve up to1_/_2 psi	CSA/ANSI Z21.15/CSA 9.1
Appliance shutoff valve up to1_/_2 psi	ASME B16.44
Appliance shutoff valve up to1_/_2 psi	ASME B16.33 marked 125 G
Appliance shutoff valve up to1_/_2 psi	CSA/ANSI LC 4/CSA 6.32
Valve up to1_/_2 psi	ASME B16.44
Valve up to1_/_2 psi	ASME B16.33 marked 125 G
Valve up to1_/_2 psi	CSA/ANSI LC 4/CSA 6.32
Valve up to 2 psi	ASME B16.44 labeled 2G
Valve up to 2 psi	ASME B16.33 marked 125 G
Valve up to 2 psi	CSA/ANSI LC 4/CSA 6.32 with ANSI/ASME B16.44 labeled 2G or labeled 5G
Valve up to 2 psi	CSA/ANSI LC 4/CSA 6.32 with ANSI/ASME B16.33 marked 125 G
Valve up to 5 psi	ASME B16.44 labeled 5G
Valve up to 5 psi	ASME B16.33
Valve up to 5 psi	CSA/ANSI LC 4/CSA 6.32 with ANSI/ASME B16.44 marked 5G
Valve up to 5 psi	CSA/ANSI LC 4/CSA 6.32 with ANSI/ASME B16.33 marked 125 G
Valve up to 125 psi	ASME B16.33 marked 125 G
Valve up to 125 psi	CSA/ANSI LC 4/CSA 6.32 with ASME B16.33 marked 125 G

For SI Units: 1 pound-force per square inch = 6.8947 kPa

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