Pneumatic Control Valve
Pneumatic Quick Action On Off/Cut Off Stainless Steel Valve

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Pneumatic Control Valve

Pneumatic quick action on off/cut off stainless steel valve

Pneumatic On Off control valve is used for shuting off function for low water,steam,oil,gas and other industry steam , the body can adopt globe structure, butterfly valve structure, ball valve structure,Pneumatic On Off Control Valve is equipped with multi-spring diaphragm actuator, with small size &large output force feature;Pneumatic On Off Control Valve is applicable for high temp, low temp & small pressure differential of front-after valve with requirement of high closure performance and reliability.

Pneumatic quick action on off/cut off valve specification

Pneumatic on off control valve
Body type:

straight through casting globe type

Spool type:

non-balanced type or balanced type

Nominal size:

DN20~200,、 NPS 3/4〞~ 8〞

Nominal pressure:

PN16 ~ 100、 CLASS 150LB ~ 600LB

Connection: flange:

FF、RF、MF、RTJ

Welding:

SW、BW

Flange dimension:

According to to IEC 60534

Pneumatic On Off control valve Bonnet type:

Ⅰ:standard type（-20℃~230℃）
Ⅱ:Radiator type: （-45℃~ high than 230℃ occasion）
Ⅲ:Low temperature extended type（-196℃~ -45℃）
Ⅳ:Bellow seal type
Ⅴ:Warm insulation Jacket type

Packing:

V type PFTE packing, flex. graphite packing, etc.

Gasket:

Metal graphite packing

Actuator:

Pneumatic: multi-spring diaphragm actuator, piston type actuator.

Pneumatic quick action on off/cut off valve Material

Component name

Control Valve Material

Body/Bonnet

WCB/WCC/WC6/CF8/CF8M/CF3M

Valve spool/Seat

304/316/316L(overlaying stellite alloy)

Packing

Normal:-196～150℃ is PTFE,RTFE,>230℃ is flexible graphite

Gasket

Normal:Stainless steel with flexible graphite,Special:Metal tooth type gasket

Diaphragm Cover

Normal:Q235,Special:304

Diaphragm

NBR with reinforced polyester fabric

Spring

Normal:60Si2Mn,Special:50CrVa

Control valve stem

2Cr13/17-4PH/304/316/316L

Pneumatic quick action on off/cut off valve performance

Pneumatic single seat control valve
Flow characteristic

quick open

Allowable range

50: 1 (CV<6.3 30: 1)

Rated Cv value

Percentage CV1.6~630 ，linear CV1.8~690

Pneumatic control valve Allowable leakage

Metal seal: IV grade（0.01% rated capacity）
Soft seal: VI grade（foam grade）
Leakage standard: GB/T 4213

Pneumatic On Off Control Valve Performance

Intrinsic error %

±1.5

Return difference, %

≤1.5

Dead zone, %

≤0.6

Difference from beginning to end point, %

±2.5

Rated travel difference, %

≤2.5

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FAQ

What are your prices?

Our prices are subject to change depending on supply and other market factors. We will send you an updated price list after your company contact us for further information.

Yes, we require all international orders to have an ongoing minimum order quantity. If you are looking to resell but in much smaller quantities, we recommend you check out our website

Yes, we can provide most documentation including Certificates of Analysis / Conformance; Insurance; Origin, and other export documents where required.

For samples, the lead time is about 7 days. For mass production, the lead time is 20-30 days after receiving the deposit payment. The lead times become effective when (1) we have received your deposit, and (2) we have your final approval for your products. If our lead times do not work with your deadline, please go over your requirements with your sale. In all cases we will try to accommodate your needs. In most cases we are able to do so.

You can make the payment to our bank account, Western Union,LianlianPay or PayPal:

30% deposit in advance, 70% balance against the copy of B/L.

We warranty our materials and workmanship. Our commitment is to your satisfaction with our products. In warranty or not, it is the culture of our company to address and resolve all customer issues to everyone’s satisfaction

Yes, we always use high quality export packaging. We also use specialized hazard packing for dangerous goods and validated cold storage shippers for temperature sensitive items. Specialist packaging and non-standard packing requirements may incur an additional charge.

 

The shipping cost depends on the way you choose to get the goods. Express is normally the most quickest but also most expensive way. By seafreight is the best solution for big amounts. Exactly freight rates we can only give you if we know the details of amount, weight and way. Please contact us for further information.

 
 
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