WAC 51-52-21409:

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PDFWAC 51-52-21409

Section 409 (IFGC)—Shutoff valves.

Table 409.1.1

Natural Gas Valve Standards

Valve Standards	Appliance Shutoff Valve Application Up to 1/2 psig Pressure	Other Valve Applications
Valve Standards	Appliance Shutoff Valve Application Up to 1/2 psig Pressure	Up to 1/2 psig Pressure	Up to 2 psig Pressure	Up to 5 psig Pressure	Up to 125 psig Pressure
ANSI Z21.15/CGA 9.1	X	--	--	--	--
ASME B16.44	X	X	Xa	Xb	--
ASME B16.33	X	X	X	X	X
ASME B16.38	--	X	X	X	X

For SI: 1 pound per square inch gauge = 6.895 cPsa
a.	If labeled 2G.
b.	If labeled 5G.

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 23-23-105, § 51-52-21409, filed 11/15/23, effective 3/16/24; WSR 23-02-055, 23-12-106, and 23-20-025, § 51-52-21409, filed 1/3/23, 6/7/23, and 9/25/23, effective 3/15/24.]