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Globe Valve > Products >GB Bellows Globe Valve

GB Bellows Globe Valve

Manufacturer: Shanghai Fengqi Industry Development Co., Ltd.

Tel: 0086 (021) 3652 8716
Mob: (0086) 138 1635 6498

product drawing

GB bellows globe valves
GB bellows globe valves

Main usages

GWJ41 flange straight-through GB bellows globe valve is generally applied to the various operating conditions pipelines of petroleum, chemical, pharmaceutical, fertilizer, power and other industries that nominal pressure is PN1.6 ~ 16MPa and working temperature is -29 ~ 350 °C, used as cutting off or connecting piping media.

Structural features

1、Product structure is reasonable, and the sealing is reliable. The double firm and durable bellows sealing design (bellows + packing) ensures zero leakage of stem. There is no fluid loss, reduced energy losses, increased equipment safety. And it is in compliance with international sealing standards.
2、sealing surface is welded Co-based hard alloy, wear resistance, corrosion-resistant, anti-friction performance, long service life
3、after tempering and surface nitriding treatment, the stem has good corrosive resistance and anti-friction performance; stem lifting position indicator is more intuitive

Dimensions & constructral diagram

GB bellows globe valve constructral diagram
GB bellows globe valve constructral diagram

Technical specification

constructural type BB-BG-OS & Y
driving maode manual
design standard GB12235
face to face dimension GB12221
connecting flange GB9113、JB/T79、HG20596
test and inspection JB/T 9092、GB/T13927

Product performance and specifications

nominal pressure (MPa) shell test pressure (MPa) sealing test pressure (MPa) suitable temperature (°C)
1.6 2.4 1.76 ≤350°C
2.5 3.75 2.75
4.0 6.0 4.4
6.4 9.6 7.04
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