DR 02075 CP
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Double flanged butterfly valves for waterworks purposes
30-06-2017
21-02-2002
This Standard proposes to specify requirements for manually-operated resilient-seated Double Flanged butterfly valves complete with mechanical operators, gear boxes and standard stem caps for use in water supply including potable water and recycled water as well as screened wastewater.
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