JB/T 1757-2008
Components of valves.Sockets and guide and nuts (English Version)

Standard No.

JB/T 1757-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

Professional Standard - Machinery

Latest

JB/T 1757-2008

Replace

JB/T 1757-1991 JB/T 1758-1991

Scope

This standard specifies the structural form, dimensions and technical requirements of ferrules and ferrule nuts. This standard applies to ferrules and ferrule nuts for forged steel valves with nominal pressures not greater than PN40 and nominal sizes DN6 to DN25.

JB/T 1757-2008 Referenced Document

• GB/T 1804-2000 General tolerances Tolerances for linear and angular dimensions without individual tolerance indications
• GB/T 196-2003 General purpose metric screw threads--Basic dimensions
• GB/T 197-2003 General purpose metric screw threads--Tolerances
• GB/T 699-1999 Quality carbon structural steels

JB/T 1757-2008 history

• 2008 JB/T 1757-2008 Components of valves.Sockets and guide and nuts
• 1991 JB/T 1757-1991 card cover

JB/T 1757-2008 Components of valves.Sockets and guide and nuts has been changed from JB/T 1758-1991 Ferrule nut.