2009 Edition, October 28, 2009
Face-to-Face and End-to-End Dimensions of Valves
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Description / Abstract:
Application. This Standard covers face-to-face
and end-to-end dimensions of straightway valves, and center-to-face
and center-to-end dimensions of angle valves. Its purpose is to
ensure installation interchangeability for valves of a given
material, type, size, rating class, and end connection.
Face-to-face and center-toface dimensions apply to flanged end
valves with facings defined in para. 2.3.1 and to other valves
intended for assembly between flat face or raised face flanges.
Endto- end dimensions apply to grooved end, buttwelding end, and
flanged end valves with facings defined in para. 2.3.3.
Center-to-end dimensions apply to buttwelding end and to flanged
end valves with facings defined in para. 2.3.3.