China made high standard NBR seal double flange connection pneumatic butterfly valve

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Quick Details
Standard or Nonstandard:
Medium Pressure
Temperature of Media:
Medium Temperature
Water, liquid, gas, oil, powder, steam, acid and so on
Port Size:
Place of Origin:
Shanghai, China (Mainland)
Model Number:
Butterfly Valve
Brand Name:
Product name:
pneumatic butterfly valve
Nominal diameter:
Body material:
aluminum alloy
Connection type:
double flange, single flange
Pressure class:
PN1.0MPa, PN1.6MPa
Seat sealing:
EPDM: -30~120℃ NBR: -30~80℃ PTFE: -30~140℃ VITON:-30~150℃
Pneumatic actuator:
Double acting
Stem material:
SS410, 304
Applicable medium:
Water, liquid, gas, oil, powder, steam etc.

China made high standard NBR seal double flange connection pneumatic butterfly valve  

Product Description

Technical parameters


Nominal sizeDN40 -DN1000mm

Body material: WCB,Ductile iron, ss304, 316

Connection type: Wafer type, LT lug wafer type 

Pressure class: PN1.0-1.6MPa

Structure type: Midline type 


Valve components

Seat sealing:   EPDM: -30~120

PTFE: -30~180

VITON: -30~150

NBR: -30~80

Disc material: Ductile iron nickel plating, nylon coating, aluminum bronze, 304, 316, 316L, 1.4529, 2507 

Stem material: 304,SS410

Applicable medium: Water, liquids, gas, oil, powder, steam, acid-base medium, etc.






Control type 




Double acting 

Failure to maintain

Single acting normally closed 

Failure to close

Single acting normally open

Failure to open

Optional accessory 

Solenoid valve, limit switch box, air filter relief pressure valve, positioner, manual device.



ON-OFF type 

Feedback: the active signal, passive contact signal, resistance, 4-20mA

Regulation type

Input and output signal: 4-20mA, 0-10v, 1-5v, switch, MODBUS, PROFIBUS field bus

Filed operation 

The field, remote control switch regulation and MODBUS, PROFIBUS field bus 







Design and manufacturing standards

Design and manufacture: GB/T12238/2008

Connection standard: JB/T 79.1-1994

Face to face dimension: GB/T 12221-2005 

Pressure testing: GB/T13927-2008 



Company Information

Company introdution


Pov valve industry (Shanghai) Co., Ltd. after many years of field experience, R & D and design of products to meet the stringent requirements of today's industrial processing fluid, by creating the most value of quality products, providing personalized service and on-time delivery principle, we gained good reputation. Our success is built on integrity, the full range of control valve. Main products: pneumatic control valve, electric control valve, a valve, pneumatic angle seat valve, pneumatic diaphragm valve, electromagnetic valve etc.




Our advantages

The advantage of Shanghai POV valve as below

  • Excellent technology: the technology is in the leading level in China, cooperate with the most famous universities in China, established the POV-Ocean university lab.
  • Advanced equipment:advanced processing equipment and testing means, providing the integration of automation system solutions for product, engineering, service and training.
  • Strong team: have many senior engineers with plenty of research, development, design experience, providing professional service for sales and after sales.
  • Good quality:reliable and stable quality, good performance, long life time.
  • Full series of products: covers full category of valves, meet the general standard of every country in the world, such as GB, DIN, ASTM, BS, JIS.
  • Professional after sales service: have the professional engineer team to provide the service.
  • Certificates: passed the ISO9001 certificate as well as CE,API/WRAS/AWWA/ISO/TUV/DNV etc.
  • Fast delivery time: have the stock, fast delivery time could be guarantee.
  • Packing: packing strictly as per the exporting standard or as per the customizedrequest.
  • Long-term quality guarantee:provide 12 months quality guarantee time.


Actual applications


Actual applications


POV Valve (Shanghai) Co., Ltd. after many years of field experience, R & D and design of products to meet the stringent requirements of today's industrial processing fluid, by creating the best quality to provide personalized service product value, and the principle of on time delivery, we gained good reputation. POV valves are widely used at the field as below.

  • ChemicalDrinks
  • Make wine
  • Pharmacy
  • Food processing
  • Petroleum refining
  • Transport
  • Water
  • The ship
  • Paper
  • Mining
  • Electric power
  • Nuclear power
  • Tank
  • Water treatment
  • Spin
  • Desalination of sea water
  • Iron and steel
  • Sugar
  • HVAC  


Packaging & Shipping


Packing and delivery terms


1.  Packing:

1)  usually packed by the cartoons or plywood cases which are suitable for the exporting standard.

2)  also could be packed according to the customized requirements.







Our team


Shanghai POV  Valve team



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