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Valve Face-to-Face Dimensions

Valve Dimensions (Face-to-Face)

Face-to-face and end-to-end dimensions for ASME B16.10 valves: Gate, Globe, Check, Ball, and Plug valves.

Schematic

Unit: mmBall Valve
F — Face to Face — F

Valve Dimensions

ASME B16.10
DN 50(NPS 2)
Class 150 ASME B16.10
Ball Valve·Class 150

End Connections (mm)

3 variants

FlangedF2F
Raised Face
177.8mm
FlangedE2E
Ring Groove / Ring Joint
190.5mm
ButtweldingE2E
Welding End
215.9mm
ASME B16.10 Tolerances:
  • NPS 10 and smaller: ± 1.5 mm (± 0.06 in)
  • NPS 12 and larger: ± 3.0 mm (± 0.12 in)
  • Angle valves use one-half of the straightway valve tolerance.

ASME B16.10-2022 · Face-to-Face and End-to-End Dimensions of Valves · Raised Face (1.5 mm for Class 150/300; 6.4 mm for Class 600–2500) included in dimensions