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  • BSI
    BS 1212-1:1953 Specification for ballvalves (excluding floats) - Piston type
    Edition: 1959
    $442.60
    / user per year

Description of BS 1212-1:1953 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.

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.

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