BS 1212-1:1953
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for ballvalves (excluding floats) Piston type
Hardcopy , PDF
29-06-1990
English
26-11-1959
Seven sizes, for attachment of floats to BS 1968, BS 2456. ⅜, ½, ¾, 1, 1¼, 1½, and 2 in. Provision for removable seats, different sized orifices for different pressure and flow. Materials, quality, workmanship, dimensions, performance test, mechanical strength test of levers. Computed flow through seat orifices at various heads of water appended.
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