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Expanding Double Seal Valve

Short Description:

Design standards

• Design standard:ASME B16.34, JB/T 10673
• Face to face length:ASME B16.10, GB/T12221
• Connection standard:ASME B16.5 , HG/T 20592, JB/T79
-Test and inspection standard:API 598, GB/T 13927

Performance Specification

• Nominal pressure:PN1.6.2.5.4.0.6.4
• Strength testing pressure:PT2.4, 3.8, 6.0, 9.6Mpa
• Seat testing pressure(low pressure): 0.6Mpa
• Applicable temperature:-29°C -425°C
• Applicable media: Water. Oil. Gas, etc.


Product Detail

Product Tags

Product Structure

Shape 323

Main Parts And Materials

Material Name

Carbon steel

Stainless steel

Body

WCB

CF8

CF8M

Bonnet

WCB

CF8

CF8M

Bottom Cover

WCB

CF8

CF8M

Sealing Disc

WCB+Cartide PTFE/RPTFE

CF8+Carbide PTFE/RPTFE

CF8M+Carbide PTFE/RPTFE

Sealing Guide

WCB

CFS

CF8M

Wedge Body

WCB

CF8

CF8M

Metal Spiral Gasket

304+Flexible graphite

304+Flexibte graphite

316+Flexibte graphite

Bushing

Copper Alloy

Stem

2Cr13

304

316

Yoke

WCB

CF8

CF8M


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