Address:No. 87-1, Golf Road, Yinhu Street, Fuyang District, Hangzhou
Email: lsdq@zjlsdq.cn
Sales Department:0571-63436868
Sales Department Fax:0571-63436969
Technology Department:0571-63433569
Technology Department Fax:0571-63433233
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Pneumatic shut-off valve
Form style |
Pneumatic shut-off valve |
Nominal diameter |
DN15~DN200 (1/2~8) |
Nominal pressure |
PN10, 16,25,40,50, 64 ANSI Class 150,300,600 |
Valve and bonnet material |
WCB,CF8, CF8M, CF3, CF3M, WC1, WC6, WC9, LCB, LCC , LC3, Hastelloy C, etc. |
Internal material |
304,304+Stellite,316L, 316L+Stellite ,2205,ha C, etc. |
Fill Material |
Teflon; flexible graphite |
Traffic Features |
Open soon |
Leakage |
Hard Seal: IV, V Soft Seal: Level VI |
Connection method |
Flange type (RF, MFM, RJ) Weld type (SW, BW) |
bonnet type |
Standard type, coolingType,Corrugated pipe seal type, low temperaturetype
|
- Overview
- ZMQ/ZSQ type pneumatic film (piston) shut-off valve has the advantages of light weight, sensitive action, small pressure drop loss, convenient disassembly and assembly.
- The shut-off valve is connected to the adjusting mechanism by a multi-spring actuator, and the overall height can be reduced by about 30%, and the weight can be reduced by about 30%.
- The valve body is designed according to the principle of fluid mechanics as an equal-section low-flow resistance flow path, and the rated flow coefficient is increased by 30%.
- Balanced trims increase the allowable differential pressure of the shut-off valve.
- The bellows seal form a complete seal against the moving stem, blocking the possibility of leakage from the media.
- The piston type actuator has a large operating force and allows a large differential pressure.