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Pneumatic Flange Ball Valve

manufacturer: Shanghai Fengqi Industry Development Co., Ltd.

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

product drawing

Pneumatic flange ball valves
Pneumatic flange ball valves

ZSHR Pneumatic "O"-shaped cut off ball valve is composed by the pneumatic double acting or single acting actuators and ball valve. it has a simple structure, reliable sealing, small size, light weight, etc. features. It can be widely used in petrochemical, chemical, light industry, making paper and other industrial process control systems.
The actuator is the imported dual-piston and gear-rack pneumatic actuator, with features of light weight, small size, large output force, a long service life and so on. The actuator consists of the cylinder, cylinder gland, piston (rack), "O"-ring, piston bearings, guide ring, gear (output shaft), bearing, adjusting bolt and other parts.
The ball valve is floating structure that under the digestion and absorption of foreign advanced technology. It uses the flexible seat with flexibility, even after the seat worn, it can also maintain the reliable sealing because of its compensation remain sealed and reliable, the small operating torque, and a long service life. With the stem of inverted sealing structure, the sealing is reliable, allows to replace the packing on site under normal pressure. When the air supply signal input the air chamber of pneumatic actuator, the pressure acting on the piston, and producing thrust, rack drive gear shaft rotation, making the stem and ball rotating, in order to achieve the open and close action of the ball valve.
Model compilation instruction:
Z---- Actuator categories S--- Cylinder actuator H---level pipe installation R: O-type regulating ball valve pressure level: 0.1Mpa active mode: K:pneumatic open type B:pneumatic colse type

Main technical parameter:

1.technical parameter and performance

Nominal diameter DN(mm) 15 20 25 32 40 50 65 80 100 125 150 200
Rated Flow Coefficient Kv 20 38 72 93 145 230 406 576 940 1404 2050 3590
Nominal pressure PN(MPa) 1.6
Flange standard JB/T79
Suitable temperature ℃ -30-+220
actuator Doule action GTX63 GTX75 GTX110 GTX127 GTX160 GTX210
Single action GTX83K5 GTX110K3 GTX127K5 GTX210K4 GTX210K5 GTX255K5
Rated Corner 90 o
Air supply pressure(MPa) 0.4-0.6
Basic error point % ≤±2
Backlash% ≤+2
Blank place% ≤+2
Leakage level GB/T4213 V level

2. the materials of main parts

Body ZG25, ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti
Ball 1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti
Stem 1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti
Seat PTFE, Enhanced PTFE
Packing PTFE

The external dimensions

Pneumatic flange ball valve constructral diagram1
Pneumatic flange ball valve constructral diagram
Pneumatic flange ball valveconstructral diagram2
Pneumatic flange ball valve constructral diagram

Equipped with pneumatic double action actuator

Equipped with pneumatic single action actuator

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