Find Ball Valve, Diaphragm Valve , Butterfly Valve on Industry Directory, Reliable Manufacturer/Supplier/Factory from China.

Inquiry Basket (0)
Home > Products > Other Valves > Flanged fast acting pn16 stainless steel ball float valve

Flanged fast acting pn16 stainless steel ball float valve

Basic Info

Model No.: Q641F/Q645/Q644F-16P-DN50mm

Product Description

Flanged fast acting pn16 stainless steel ball float valve


>> Product features:


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



>> Technical parameters:


Electric actuators

Type: 1.on/off 2.I/O:4-20mA

Explosion proof electric actuator

EX d Ⅱ BT4 EX d Ⅱ CT6   Regulation type,switch type


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


Nominal pressure


Applicable temperature

PTFE:-30~180°C PPL:-30~250°C



Body structure


Body material


Disc material


Seat lining


Applicable medium




>> Outline size drawing:


Size drawing and related data please don't hesitate to email me. thanks;



>> Pneumatic 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;













>> 3 way flanged Ball valve directions: 



Please kindly confirm the 3 way valve need L-type or T-type for the differece function and price,

thank you for your inquiry with the detailed product information such as size,materials, pressure,

control type, quantity, etc. thanks and have a nice day;


>> Related pictures for your checking: 








Product Categories : Other Valves

Email to this supplier
  • *Subject:
  • To:

  • *Messages:
    Your message must be between 20-8000 characters
Premium Related Products