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Quick Details

  • Standard or Nonstandard: Standard
  • Structure: Ball
  • Pressure: Medium Pressure
  • Power: Pneumatic
  • Material: Stainless Steel
  • Temperature of Media: Normal Temperature
  • Media: Oil
  • Port Size: 1/2''~10''
  • Place of Origin: Shanghai, China (Mainland)
  • Model Number: Q641F-16P-DN15-250mm
  • Brand Name: POV china pneumatic valve
  • Catalogue: Flanged type ball valve china pneumatic valve
  • Connection: Flanged
  • Seal material: Soft seal PTFE, PPL
  • Applicable medium: Gas,water,oil,steam,acid
  • Applicable temperature: PTFE:-30~+180centigrade PPL:-30~220C
  • Ralated product: Pneumatic ball valve flange 2'' valve
  • Flanged standard: ANSI,DIN,JIS,GB
  • Body material: stainless steel 304,316,316L, WCB
  • Bore material: stainless steel 304,316,316L,WCB
  • Related product: ISO5211 fire protection flanged type ball va

Packaging & Delivery

Packaging Details: Standard export packing
1) Hardcard carton for small in size and lightweight product
2) Wooden box for big huge and heavy product
In addition that we can also design and pack as your request
Delivery Detail: Within 2 weeks and according to your order amount


1) DN15-250mm
2) Fire protection proof
3) Stem blow-out device
4) Fire protection flanged type china pneumatic valve

Flanged type ball valve china pneumatic valve



Product Description

Technical parameters:


Electric actuators

Type: 1.on/off     2.I/O:4-20MA  (Can be select explosion-proof type)

Explosion proof electric actuator

EX d Ⅱ BT4 EX d Ⅱ CT6 

Regulation type,switch type

Optional voltage

AC220V AC110V AC380V    

DC12V DC24V DC110V

Pneumatic actuator

Double acting,single acting

Pneumatic accessories

Limit switch,positioner,solenoid valve,filter relief-pressure valve,

hand wheel-operated.

Nominal diameter

DN15-DN250  (1/2''~8'')

Nominal pressure

1.6-4.0MPa, JIS10K, JIS20K, ANSI150LB

Applicable temperature

PTFE:-30~180°C PPL:-30~250°C



Body structure

2 way

Body material

304,316,316L, WCB (Carbon steel)

Disc material


Seat lining


Applicable medium



Size drawing: (GB)


Packaging & Shipping

It is packaged by hard carton box for small in size within 3sets and gross weight less than 15KG; 

And  packing by standard wooden box fill with foam packaging, size: 1.2*1.2*1.2; Gorss weight less

than 200kg/package. Also can be packaged by your requirement.


Our Services

We mainly supply high quality ball valve, butterfly valves, pneuamtic actuator, electric actuator, pneuamtic angle seat valve pneumatic diaphragm valve,pvc valve, sanitary valve, 3 way ball valve, regulation valve

and penuamatic valve accessories.


POV is always keeping its advantage of leading technology so as to produce high quality products

and promptly provide customers with comprehensive and satisfactory services.


Series of ball valve for your checking and reference: 



Company Information

POV is a famous control valve manufacturer, and also as one of the world fluid process

industry leaders.The products with unique design, excellent quality, exquisite workmanship and

nearly perfect operation reliability, for global users to provide the best quality service.


*  POV Mainly with pneumatic valves, electric valves, check valves, Solenoid valves, the regulator,

controlvalves, etc control valve. In the research, development and production have rich experience and

unique design features. Products are widely applied to water treatment equipment, environmental engineering,

power plant, steel industry, petroleum, chemical industry, textile printing and dyeing, coal mine, electronics,

automobiles, heating refrigeration, pharmacy, municipal, shipbuilding, metallurgy, light industry, and other fields.



1)  Please intruduct to us how double acting pneuamtic ball valve working?  

Double acting working principle:

Double acting working principle:

  1. Compressed air access into A holes, then the piston separates;
  2. So that the drive shaft anticlockwise, valve open;
  3. Air remove from B hole;

 1.    Compressed air access into B holes,  

        then the piston will be closer;

2.     So that the drive shaft clockwise, valve close;

3.     Air remove from A hole;









  2)  Please tell me the series pneumatic ball valve specifications?


1.  Fire protection antistatic design

2.  Stem explosion proof device

3.  Pressure balance holes designed on the ball valve

4.  Double stem packing and counter pressure butterfly shrapnel device


3)   How to installation pneuamtic accessoreis, APL210N limit switch box, POT521, POT321?

All our flanged ball valve accord with ISO5211 installation standard, can be direct installed.Below picture shows

is POT521/POT321 mainly fuction of reversing the pneuamtic ball valve air source. also has explosion-proof type


POV Pneumatic ball valve can be direct mount LIMIT SWITCH BOX, SOLENOID VALVE,



Limit switch box mainly feedback pneumatic ball valve open and close positon.



Pov valves(Shanghai) Co., Ltd

Welcome to here, have any interesting in our valves please don't hesitate to mail me

Or leave a message here for me, thank you very much and have a nice day !


Tel: +21 68112100

Fax: +21 39652505

Mobile: + 15901763564

Contact person: Arina Wang. 

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China (Mainland) | Manufacturer, Trading Company
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