
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 | |||||||
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 |
Hontai Machinery and equipment (HK) Co. ltd
Our company Hontai Machinery and equipment (HK) Co. ltd focus is on steel mills, power plants, cement plant , chemicals, paper, CNC numerical control machine tool industry system spare parts! Main products: DCS system cards, spares of turbine ,generator ,boiler ,blower , coal mill , motor , transformer , pump, valve , air compressor , meters and Instruments , cable and wire , actuator , circuit Breaker , gear reducer, coal feeder and flame , servo controllers, etc.
we are the major partner with leading companies in China including SEC, Dongfang and HEC. We have long-term business relationships with world majors like Samra , Vedanta, and PT PJB and so on .
We are upholding to creating as a leading player in the worldwide energy and machinery industry! You are welcome to contact us for more information!
Stand in customers’ situation to grasp the quality, coupled with
our genuine service, we attain deep trust and recognition from our
clients.
Hontai business scope include:
Export products :
- turbine
- generator
- boiler
- blower
- coal mill
- Flame ignition & spares
- Actuator
- Motor
- Reducer
- Valve
- ESP
- Coal feeder
- Electric panel
- Instrument & indicator
- Other industry spares for replace : relay , fuse , transformer , solenoid value ,
limited switch , transducer , sensor , thyristor and so on .
Import products :
- Coconut fiber
- Imported brand IC
- EPRO sensor