Historical
ANSI Z21.80-2011/CSA 6.22-2011
Line pressure regulators
Details test and examination criteria for line pressure regulators, either individual or in combination with over pressure protection devices intended for application in natural gas piping systems between the service regulator and the gas appliance(s). This standard applies to regulators rated at 2, 5, or 10 psi (13.8, 34.5, or 68.9 kPa) with maximum outlet pressure of ╜or 2 psi (3.5 or 13.8 kPa), depending on the intended application.
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