美妙人妇系列1～100,亚洲国产AV一区二区三区四区,亚洲国产精品色情777777,亚洲中文久久精品无码1

Pneumatic thin film sleeve regulating valve with sleeve guide, pressure balance double sealing cover, single sealing cover structure, is a force balance regulating valve, the body structure is compact, the fluid channel is S-streamlined, advantages for small pressure loss, large flow, adjustable range, high accuracy of flow characteristics.The regulating valve is equipped with multi-spring film actuator, with small structure and large output force, which is more suitable for good dynamic stability, low noise, cavitation/flash, high and low temperature, high pressure and differential fluid control conditions.

Product model: CV3000
Material of valve body: WCB, 304, 316, 316L
Spool material: 304, 316+STL\PTFE
Valve seat material: 304, 316+STL;PTFE
Connection: Flange, thread, welding
Seat type: single seat, double seat, sleeve
Bonnet type: standard, low temperature, heat dissipation, bellows seal type
Pneumatic actuators: multi-spring film actuators air open, air close
Accessories: electric positioner, air filter pressure reducing valve, handwheel, protection valve