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Quick Details

  • Standard or Nonstandard: Standard
  • Structure: Butterfly
  • Pressure: Medium Pressure
  • Power: electric
  • Material: Stainless Steel
  • Temperature of Media: Medium Temperature
  • Media: Gas
  • Port Size: DN50-DN300
  • Place of Origin: Shanghai, China (Mainland)
  • Model Number: PO89
  • Brand Name: POV
  • Application: General
  • catalogue: big size flange exhaust butterfly valve
  • Connection type: Flanged
  • Nominal pressure: PN0.6KG
  • Disc material: WCB, 304, 316
  • Applicable medium: Flue gas, dust powder gas, coal gas
  • Nominal diameter: DN50-DN300

Packaging & Delivery

Packaging Details: wood for big size flange exhaust butterfly valve
Delivery Detail: 5days

big size flange exhaust butterfly valve   

Product Description


Flanged electric vent butterfly valve 


Ventilation butterfly valve belongs to midline structure, control type with switch type and regulation type, using steel plate bending with two flanges welded design and becoming, the edge of the plate and the shell non-contact, leaving a small gap, light torque, simple structure, easily installation. This series product mainly used in chemical industry, building material, power station, glass factory, etc.  


Nominal size: DN50-DN300

Body material: WCB, 304, 316

Connection type: Flanged 

Pressure class: PN0.6KG

Structure type: The midline structure 


Valve components 

Seat material: Body seal 

Disc material: WCB, 304, 316

Stem material: Stainless steel 410

Applicable medium: Flue gas, dust powder gas, coal gas


Electric actuator 

On-off type: feedback signal: Passive contact signal/4-20mA/ resistance signals. 

Regulation type: Input signal 4-20mA/0-10V/1-5V; 

Feedback signal: 4-20mA/0-10V/1-5V 

Voltage: AC220V\380V\110V\24V,DC12V\24V etc;Special voltage can be customized. 

Explosion-proof class: Can be choose explosion-proof type EX d IIBT4 



Control type 


Electric actuator 

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 


Outline size drawing:

Packaging & Shipping



we will ship the goods within one week

Our Services





































pneumatic vent butterfly valve 

Company Information

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.

Transaction History of the Supplier

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Transaction Overview


Transaction Details

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China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
50 Transactions 110,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.