WIKA 910.81 壓力表截止閥
Barstock valve in stainless steel version
Model 910.81
Barstock single block valve,
male/female ½ NPT, PN 420, DN 5
Applications
■ Shut-off and throttle valve for pressure measuring instruments,for measuring liquids, gases and vapours
■ For aggressive media, also in aggressive environments
■ Process industry: plant construction, chemical, petrochemical,power stations, mining, on- and offshore, and in the environmental sector
Special features
■ Single block valve PN 420 DN 5
■ Block and bleed valve PN 420 DN 5
■ High-grade stainless steel versions
Description
Barstock valves are suited to shutting off the impulse line and for mounting pressure measuring instruments. As a standard,the valves feature external stem threads and ½ NPT connection threads. Other connections are available on request.
For venting the measuring line, the barstock valves have an additional vent hole, which is sealed with a bolt when delivered (see drawings on reverse).Block and bleed valves also have a separate vent valve.
Standard version
Pressure connection
½ NPT
Valve body and valve spindle
metal seat, 1.4404 / 316L stainless steel
Bonnet
1.4401 / 316 stainless steel
Valve cone
1.4571 stainless steel
Gland packing
PTFE (for temperatures to a max. 200 °C)
T-handle
Stainless steel
Nominal pressure
PN 420 bar (6,000 psi)
Options
■ Nominal pressure up to PN 700 (10,000 psi)
■ 3.1 material test certificate per EN 10204
■ Oil and grease free version for oxygen
■ Version with ¼ NPT
■ Monel® and Hastelloy® special materials
■ Version in accordance with NACE
■ Anti-tamper protection (also lockable)
歡迎致電咨詢WIKA 910.81 壓力表截止閥
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