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Globe Valves

 

Bonney Forge is a leading globe valves manufacturer which are used for flow regulation, frequent operation, increased flow resistance, or for positive shut off when closed. Globe valves are closing-down valves in which the closure member is moved squarely on and off the seat. By this mode of disc travel, the seat opening varies in direct proportion to the travel of the disc. This proportional relationship between valve opening and disc travel is ideally suited for duties involving the regulation of flow rate. Globe valves can also be used for on-off duty, the seating load can be positively controlled with high sealing capacity.

The change in direction of fluid flow through these valves produces increased resistance and pressure drop. The standard Straight “T”-Pattern valve body is the most common, but because of its tortuous flow passage, it offers the highest resistance to the flow of the patterns available. The oblique pattern globe-valve body is designed to reduce the flow resistance of the valve to a minimum. This valve combines low flow resistance for on-off duty with the robustness of globe-valve seatings. Forge steel globe valves are used in many industrial applications including the oil and gas industry, pharmaceutical, manufacturing, automotive, and marine. Globe valves are also recommended for services requiring frequent operation and positive shut-off.

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Product standards & features

Applicable standard range

SIZE 1/4 NPS - 42 NPS
CLASS 150 - 4500

Applicable standards

Design API 602, API 623, 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
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 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 ( acc.to API 622 ) for reliable tightness and low emission performance in fully compliance with API 624.
6 Standard seat design is screwed-in type, integral type is avaliable as an alternative construction.
7 High flow capacity port sizes and disc retraction minimize flow velocities and maximize valve service life.
8 Outside Screw and Yoke (OS&Y).
9 Low operation torque design.
10 Self aligning two piece packing gland.
11 Body-guided disc for prefect seat and disc alignment.