Check Valve Series

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Welding Power Station Swing Check Valve

manufacturer: Shanghai Fengqi Industry Development Co., Ltd.
Eml: sales@fengqi.sh.cn

Tel: 86 (21) 3652 8716
Mob: (86) 138 1635 6498

product drawing

Welding power station swing check valves
Welding power station swing check valves

Usages

Welding (GB) Power Station Swing Check Valve is used in the pipelines of petroleum, chemical, water, fire power plant and other systems that nominal pressure is PN20.0 ~ 32.0MPa, work temperature ≤ 540 ℃ ( in which 57170V operating temperature is 570 ℃). Applicable medium: water, oil, steam and so on.

Structural features

1. The product design and manufacture according to the provisions of the E101 and JB/T3595-93 standards, with reasonable structure, excellent performance, beautiful shape.
2. The middle cavity uses pressure self-tight sealing structure, the higher medium pressure, the better the sealing performance.
3. The both ends of branch pipes are butt welded, to adapt to different requirements.
4. The disc and the seat sealing surface use stellite cobalt-based hard alloy bead welding, with wear-resistance, high temperature resistance, good anti-abrasion performance, long service life.
5. High temperature and pressure-resistance components are made of high-quality heat-resistant alloy steel, with safety and reliablity, stable performance, long service life.

Dimensions & constructral diagram

Welding power station swing check valve constructral diagram
Welding power station swing check valve constructral diagram

The materials of main parts

body WCB、25 2Cr1MoV WC6 WC9
bonnet 25 12CrMoV
disc,seat 25 heap STL cobalt-based hard alloy 12CrMoV STL cobalt-based hard alloy
sealing ring enhanced flexible graphite

Main external and connection dimensions

type Nominal diameter (mm) Main external and connection dimensions Weight (kg)
L H
H64Y-200 50 350 200 50
65 430 282 57
80 470 325 65
100 600 350 80
175 900 440 180
H64Y-320 125 900 409 170
225 1000 550 415
300 1370 680 1200
350 1370 745 1638
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