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5.508.2.2.2 Access Valves

California Green Building Standards Code 2019 > 5 Nonresidential Mandatory Measures > 5.508 Outdoor Air Quality > 5.508.2 Supermarket Refrigerant Leak Reduction > 5.508.2.2 Valves > 5.508.2.2.2 Access Valves

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Only Schrader access valves with a brass or steel body are permitted for use.

5.508.2.2.2.1 Valve Caps

For systems with a refrigerant charge of 5 pounds or more, valve caps shall be brass or steel and not plastic.

5.508.2.2.2.2 Seal Caps

If designed for it, the cap shall have a neoprene O-ring in place.

5.508.2.2.2.2.1 Chain Tethers

Chain tethers to fit over the stem are required for valves designed to have seal caps.

Exception: Valves with seal caps that are not removed from the valve during stem operation.

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