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High Light: | gate check valve,power plant valves |
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Pneumatic Operated Power Station Valve Butterfly Valve Self-Cleaning
pneumatic piston adjusting butterfly valve
ZMAW pneumatic diaphragm adjusting butterfly valve, ZSRW,ZSCW pneumatic piston adjusting butterfly valve input control signal(4-20mADC or 1-5VDC)air, can control work, impact structure, convenient processing, large diameter, self-cleaning, small resistance, large flow capacity. Used for regulating suspended particles in the fluid and thick, turbid fluid paste.
Nominal diameter mm | 50 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | 900 | 1000 | |
Rated flow coefficient Kv | 85 | 220 | 340 | 530 | 770 | 1360 | 2130 | 3060 | 4160 | 5450 | 6900 | 8500 | 12200 | 16600 | 21700 | 27540 | 34000 | |
Nominal pressure MPa | 0.6 | |||||||||||||||||
Rated angle ° | 70 | |||||||||||||||||
Signal pressure KPa | 20~100 | |||||||||||||||||
Flow characteristics | Approximately equal percentage | |||||||||||||||||
Media temperature ℃ | -20~200(normal temperature) ; -40~450(medium temperature) ; -40~600(high temperature) | |||||||||||||||||
Connection flange | According to JB78-59 wafer flange connected | |||||||||||||||||
Connected thread | M16×1.5 | |||||||||||||||||
Actuator | Diaphragm | ZMA-2 | ZMA-3 | ZMA-4 | ZMA-5 | |||||||||||||
Piston | ZSC-45 | |||||||||||||||||
Material of valve body | ZG230-450;1Cr18Ni9; ZG1Cr18Ni9Ti,ZGOCr18Ni12Mo2Ti | |||||||||||||||||
Components | Handwheel ,positioner ,air filter regulator |
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