BS 1212-2:1990

This standard BS 1212-2:1990 Float operated valves is classified in these ICS categories:

• 91.140.60 Water supply systems

This Part of BS 1212 specifies materials, dimensions, tolerances and performance requirements for diaphragm type float operated valves (copper alloy body) of nominal sizes ⅜ and ½ with seat numbers 3, 5, 6 and 9 intended for use with floats complying with BS 1968 and BS 2456.

NOTE 1 The nominal sizes correspond with the pipe size of the thread on the inlet shank as specified in BS 2779. The nominal size ⅜ is formed by making a special inlet on the size ½.

NOTE 2 The titles of the publications referred to in this standard are listed on the inside back cover.

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.