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Extended Body Forge Gate Valve


Bonney Forge extended body gate 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 strength welded joint is available. Available in class 800 extended body forge gae valve and class 1500 extended body forge gate valve.

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Product standards & features

Applicable standard range

SIZE 1/2 NPS - 2 NPS
CLASS 800, 1500

Applicable standards

Design API 602, ASME B16.34
Inspection & testing API 598
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
Butt welding ends ASME B16.25

Product features

1 Standard construction of body-bonnet connections are bolted bonnet or welded bonnet type.
2 Full die forged structure for all pressure containing parts.
3 Flanged valves are provided with flanges integral with the body forgings.
4 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.
5 High quality packing ( API 622 ) for reliable tightness and low emission performance in fully compliance with API 624.
  Low wedge-seat friction coefficient for reliable sealing & long service life.
7 Best-in-Class CV values.
8 Outside Screw and Yoke (OS&Y).
9 Low operation torque design.
10 Self aligning two piece packing gland.
11 Fully guided wedge for wear reduction of seating surfaces.
12 Integrally reinforced extended body designed to replace a fitting and nipple or branch connection.