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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