JB/T 2776-2010
Components of valves-High pressure lens gaskets (English Version)

Standard No.

JB/T 2776-2010

Language

Chinese, Available in English version

Release Date

2010

Published By

Professional Standard - Machinery

Latest

JB/T 2776-2010

Replace

JB/T 2776-1992 JB/T 2777-1992

Scope

This standard specifies the structural form, dimensions, materials and requirements for perforated lens gaskets and non-porous lens gaskets for flange-connected forged angle high-pressure valves. This standard applies to porous and non-porous lens pads with nominal pressures PN160~PN320, nominal sizes DN3~DN200, and operating temperatures from -30°C to 200°C.

JB/T 2776-2010 Referenced Document

• GB/T 1220-2007 Stainless steel bars
• GB/T 3620.1-2007 Designation and composition of titanium and titanium alloys
• GB/T 699-1999 Quality carbon structural steels
• JB/T 450 Specification for wrought, angle, high pressure valves

JB/T 2776-2010 history

• 2010 JB/T 2776-2010 Components of valves-High pressure lens gaskets
• 1992 JB/T 2776-1992 PN16.0～32.0Mpa lens washer

JB/T 2776-2010 Components of valves-High pressure lens gaskets has been changed from JB/T 2777-1992 PN16.0～32.0Mpa blind lens washer.