JB/T 2768-2010
Components of valves-High pressure pipes,fittings and end-to-end dimensions of valves (English Version)

Standard No.

JB/T 2768-2010

Language

Chinese, Available in English version

Release Date

2010

Published By

Professional Standard - Machinery

Latest

JB/T 2768-2010

Replace

JB/T 2768-1992

Scope

This standard specifies the structural form and dimensions of pipes, pipe fittings and valve ends for externally threaded connections and lens gasket sealing threaded flanges for forged high-pressure valves. This standard applies to pipes and valve ends with nominal pressures PN160~PN320 and nominal sizes DN3~DN200.

JB/T 2768-2010 Referenced Document

• GB/T 196-2003 General purpose metric screw threads--Basic dimensions
• GB/T 197-2003 General purpose metric screw threads--Tolerances
• GB/T 3-1997 Run-outs, undercuts and chamfers for general purpose metric screw threads

JB/T 2768-2010 history

• 2010 JB/T 2768-2010 Components of valves-High pressure pipes,fittings and end-to-end dimensions of valves
• 1992 JB/T 2768-1992 Terminal dimensions of pN16.0～32.0Mpa pipes, tubing parts and valves