Hontai Machinery and equipment (HK) Co. ltd
Hontai Machinery and equipment (HK) Co. ltd God helps those who help themselves, Creative and progressive,Being honest.
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ZSPC ZSNC Power Station Valve , Pneumatic Piston Cut-Off Valve
pneumatic piston cut-off valve
ZSPC,ZSNC pneumatic piston cut-off valve, made up of pneumatic piston actuator and cut-off body.. sealing surface of valve spool: hard sealing and soft sealing; structure of valve spool: single-guide flat and single-guide balanced. Impact structure, reliable action, strict cut-off, quick open and close. Used in automatic control system with no grainy, no impurity gas, liquid medium
Nominal diameter mm | 20 | 25 | 40 | 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 | ||
Diameter of valve seat mm | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | Contact us | |
Rated flow coefficient Kv | 6.5 | 10 | 15 | 25 | 40 | 65 | 100 | 150 | 260 | 350 | 540 | ||
Nominal pressure MPa | 1.6 ； 4.0 ； 6.4 | ||||||||||||
Travel mm | 10 | 16 | 25 | 30 | 40 | 60 |
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Flow characteristics | Quick open | ||||||||||||
Media temperature ℃ | Soft sealing :-40～150(normal temperature ) ； hard sealing:-40～200(normal temperature)； -40～450(medium temperature) | ||||||||||||
Flange size,type | PN16 according to JB79-59； PN4.0,64 according to JB/T79.2-94 concave | ||||||||||||
Material of valve body | ZG230-450 ； ZG1Cr18Ni9Ti；ZGOCr18Ni12Mo2Ti | ||||||||||||
Material of valve seat,valve spool | 1Cr18Ni9 ； 0Cr18Ni12Mo2Ti | ||||||||||||
Upper cover | General (normal temperature) ； heat sink(medium temperature ) | ||||||||||||
Components | Handwheel body,air filter regulator ,solenoid valve,feedback device of signal | ||||||||||||
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