Specifies workmanship, dimensions and performance requirements for diaphragm type valves of nominal size 3/8 and 1/2, intended for use with floats complying with the requirements of BS 1968 and BS 2456.
BS 1212-2:1990 history
0000 BS 1212-2:1990(2007)
1990BS 1212-2:1990 Float operated valves - Specification for diaphragm type float operated valves (copper alloy body) (excluding floats)