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Cryogenic Valves


Bonney Forge cryogenic valves are available in two bonnet designs. The first design is the Bolted Bonnet, with male-female joint, spiral wound gasket, made in F316L/graphite. Ring joint gasket are also available on request. The second design is the welded bonnet, with a threaded and seal welded joint. On request a full penetration welded joint is available.

The cryogenic valves are available in cryogenic gate valves and cryogenic globe valves design configurations. Valves are designed with an extended body for use in cold services to -196 degrees C (-320 degrees F).

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Product standards & features

Applicable standard range

SIZE 1/4 NPS - 2 NPS
CLASS 150 - 1500

Applicable standards

Design API 602, ASME B16.34, MSS SP-134
Inspection & testing API 598, MSS SP-134
Marking MSS SP-25
Fugitive emission API 624, ISO 15848, TA Luft

Applicable end finishes

Face to face ASME B16.10
Socket weld ASME B16.11
Screwed ends (NPT) ASME B1.20.1
Flanged ends ASME B16.5
Butt welding ends ASME B16.25

Product features

1 Standard construction of body-bonnet connections are bolted bonnet or welded bonnet type.
2 Flanged valves are provided with flanges integral with the body forgings.
3 Standard gasket design for bolted-bonnet valves is spiral wound type up to class ASME 1500. Ring Joint gaskets are standard for ASME 2500 and above. SPW/RJ are available on request for all pressure classes as option.
4 High quality packing ( API 622 ) for reliable tightness and low emission performance in fully compliance with API 624.
5 Outside Screw and Yoke (OS&Y).
6 Low operation torque design.
7 Self aligning two piece packing gland.
8 Valve rated to -325°F (-196°C).
9 Extended bonnet creates a chamber of insulating vapor to prevent packing from falling below rated temperature.