ZSQ pneumatic piston shut-off valve consists of two parts: the actuator and the straight stroke regulating mechanism, which are connected by the bracket in the middle. The valve adopts top-guided structure and is equipped with multi-spring actuator. It has the features of compact structure, light weight, sensitive action, S streamline fluid channel, small pressure drop loss, large valve capacity, easy to disassemble and so on. Use pneumatic or manual to cut off, open or change the direction of media flow, to achieve the pressure, flow, level and other control. Widely used in petroleum, chemical, metallurgy, electric power, light industry, textile and other industrial sectors of the production process automatic control and transportation control system.
Product Parameters
Product Model | ZSQ16-2T |
Valve body material | Gray Cast Iron |
Nominal pressure | ≤1.6Mpa |
Applicable medium | Water, Steam, Air, etc. |
Applicable temperature | ≤200℃ |
Product Size Reference

Nominal Diameter | L | A | H | H1 |
DN20 | 150 | 196 | 340 | 53 |
DN25 | 160 | 196 | 345 | 58 |
DN32 | 180 | 196 | 370 | 70 |
DN40 | 200 | 232 | 380 | 75 |
DN50 | 230 | 232 | 390 | 83 |
DN65 | 290 | 308 | 475 | 93 |
DN80 | 310 | 308 | 490 | 100 |
DN100 | 350 | 308 | 500 | 110 |














