2.1Pneumatic control valve sleeve type CV values and stroke
I、Pneumatic cage guided control valve: high capacity Spool(%V、LV)
Nominal diameter | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | |
Seat diameter | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | |
Rated Cv value | The percentage of properties | 24 | 36 | 60 | 100 | 140 | 220 | 320 | 420 | 820 | 1000 | 1440 | 1900 |
Linear characteristic | 26 | 40 | 75 | 110 | 150 | 240 | 365 | 435 | 850 | 1035 | 1490 | 2000 | |
Rated travel | 25 | 38 | 50 | 75 | 100 | 150 |
II、Pneumatic cage guided control valve:High Precision Flow characteristics Spool (% VF, EVF)
The datasheet see our catelogue.
Pneumatic control valve Body type: |
straight through casting globe type |
Spool type: | balanced cage guided sleeve type |
Nominal size: | DN20~300,、 NPS 3/4〞~ 12〞 |
Nominal pressure: | PN16 ~ 100、 CLASS 150LB ~ 600LB |
Connection: flange: | FF、RF、MF、RTJ |
Welding: | SW、BW |
Flange dimension: | According to to IEC 60534 |
Pneumatic cage guided 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. |
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 control valve Type Method |
Pneumatic diaphragm actuator |
PZMA-4~ PZMA-7 | |
Multi-spring type | |
Usage | Regulating type, ON-OFF type |
Air supply pressure or Power supply voltage | Air supply pressure (Spring range) 140(20~100)Kpa G 240 (40~200) Kpa G 280 (80~240) Kpa G |
Connector | Air pipe connector: RC1/4 |
Direct action | Pressure increase, stem descend, valve close. |
Reaction | Pressure increase, stem ascend, valve open. |
Input signal | 40~20mA.DC(with positioner) |
Lag | ≤1%FS(with positioner) |
Linear type | 2%FS(with positioner) |
Environmental temperature | -10℃~+70℃ |
Pneumatic cage guided control valve Accessories |
E/P, P/P valve positioner, filter regulator, valve converter, solenoid valve, limited switch Non-standard accessories, need special customized notes. |
Q: What’s your payment terms?
A: Usually we accept T/T ,Western Union or PayPal.
Q: What’s your shipping item?
A: We ship items via EMS, DHL, UPS, TNT, China Post or Hong Kong Post.
Q: What’s your delivery time?
A. 1.The stock samples can be sent to you within 3-5days by international express after received
2.The batch order can be shipped to you in about 10-15days after order confirmation (by air or by sea)
Q: What’s your main products of your company?
A: We specialized in all kinds of high performance control valve, for over 10 years with excellent quality and competitive
Q:How can I choose the most suitable valve?
A: Please tell me your detailed working condition,DN,Mpa,Working temperature…ect
Q: How long is your pump lifetime?
A: Valve warranty is 12 months
1. We offer 12 months limited Warranty of Manufacturer for defective items (excluding items damaged and /or misused after receipt).
2. If you have any problems with the item received, please let us know within 7 days after received. Please contact us before send items back! If problem really exists, a replacement or a refund is available after we receive the items in goods condition.