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Handle Operated Full Port Flanged Ball Valve Double Flange Ends GB Standard

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Handle Operated Full Port Flanged Ball Valve Double Flange Ends GB Standard

Country/Region china
City & Province wenzhou zhejiang
Categories Valves
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Product Details

Handle Operated Full Port Flanged Ball Valve Double Flange Ends GB Standard

 

 Specifications 

 GB Handle Oprated Ball Valve 

Applicable Standards:
- Design and Manufacturing:GB12237-89

- Connection:JB/T79

- Fireproof Test: API607 4th 1993

- Test and Inspection:GB/T13927-1992

Size Range:
- DN15~DN200

Pressure Rating:
- GB PN16 PN25 PN40
Temperature Range:
- -20°C~185°C

 

Ball valve and gate valve are the same type of valve. The difference is that the opening&closing part is a ball, and the ball rotates around the valve body to achieve the valve opens&closes. The ball valve is mainly used in the pipeline to cut, distribute and change the flow direction of the medium. Flange ball valve standard GB/T21465-2008 "Valve terminology" is defined as: the opening and closing member (sphere) is driven by the valve stem and rotates around the axis of the valve stem.

 

Unit:mm
PressureSizeLφEφBφCTf
PN1615130956545142
201401057555142
251501158565142
3216513510078162
4018014511085163
50200160125100163
65220180145120183
80250195160135203
100280215180155203
125320245210185223
150360280240210243
200400335295265263

 

 Application 

The ball valve is mainly used in the pipeline to cut, distribute and change the flow direction of the medium.

 

 Strength of Ball Valve 

1. Anti-static performance: a spring is arranged between the ball, the valve stem and the valve body, and the static electricity generated by the switching process can be derived.


2. Since the material such as polytetrafluoroethylene has good self-lubricating property and the friction loss with the spherical body is small, the service life of the pneumatic ball valve is long.


3. The fluid resistance is low, and the pneumatic ball valve is the one with the smallest fluid resistance in all kinds of valve. 

 

4. The valve stem seal is reliable. Because the valve stem only performs the same movement as the lifting movement, the packing seal of the valve stem is not easy to be damaged, and the sealing capacity increases as the pressure of the medium increases.

 

 Model Selection 

 2PC Full Port Floating Ball Valve

  StandardANSIGBJISDIN
  Pressure150LB/300LBPN16/PN25/PN4010K/20KPN16/PN25/PN40
  Matreial1) CF8/SS304     2) CF8M/SS316    3) CF3/SS304L    4) CF3M/SS316L    5) WCB
  Model1) High Platform Model                2) Handle Model

 

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