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The key part of bellow sealed globe valves is mental below. It is the connection between cover and stems with automatic roll welding. The mental bellow can keep the stem part no leakage.

其他信息

Application

Gas, Hot Oil, Water

Material

A216 WCB, SS304, SS316

Pressure

PN16, PN25, PN40

Size

1/2″-8″

Discover more about Ansi Bellows Seal Gate Valve

Application
The hot oil system, steam system, hot and cold water system, etc.
Advantage
1.Bellow seal element. The key part of bellow sealed globe valves is mental below. It is the connection between cover and stems with automatic roll welding. The mental bellow can keep the stem part no leakage.
2.Double seal design(bellows+packing). Bellow and packing can protect against leakage and provide an excellent seal.
3.Grease nipple. It can direct lubricate the stem, nut, and sleeve.
4.Ergonomic handwheel. It provides longer service life and easier operation.
Technical specification
Design standard: ASME B16.34
Face to face dimension: ASME B16.10
Flanged ends: ASME B16.5
Test & inspection: API 598
Performance specification

Nominal Pressure

PN

 

Test Pressure

Strength test

1.5PN

MPa

Sealing test

1.1PN

Gas seal test

0.6

Bellows test

1.1PN

Suitable temp

-196℃~600℃

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