1513.0320 Container Valves, Accessories, And Discharge Connections


Published: 2015

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1513.0320 CONTAINER VALVES, ACCESSORIES, AND DISCHARGE CONNECTIONS.


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Subpart 1.

Excess flow valves.

All vapor and liquid connections, except for pressure relief valves and those specifically exempted in part 1513.0150, subparts 5 and 6, must be equipped with approved excess flow valves. Back-pressure check valves are acceptable in container filling connections. Alternatively, vapor and liquid connections covered by this subpart may be fitted with quick-closing internal valves which, except during operating periods, shall remain closed. If internal valves are not practical, external quick-closing valves may be used according to part 1513.0150, subpart 6, and with appropriate protection as required in part 1513.0370.


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Subp. 2.

Pressure gauge.

Each storage container must be provided with a pressure gauge graduated from 0 to 400 psig. Gauges must be designated for use in ammonia service.


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Subp. 3.

Vapor equalizing connection.

All containers must be equipped with a vapor equalizing connection.