图片名称

Diaphragm valve


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The diaphragm valve is one of the best choice when involving the turn off or control operation of abrasive or corrosive slurry, powder or particles.  Technical Features Diaphragm valve is a special form of cut-off valve, the opening and closing part is a diaphragm made of soft materials, which separates the inner cavity of the valve body from the inner cavity of the valve cover.  


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G Series Diaphragm Valve   

Application
The diaphragm valve is one of the best choice when involving the turn off or control operation of abrasive or corrosive slurry, powder or particles. 
Technical Features
Diaphragm valve is a special form of cut-off valve, the opening and closing part is a diaphragm made of soft materials, which separates the inner cavity of the valve body from the inner cavity of the valve cover.  

Technical Parameters and Executive Standards
Dimension range: DN20, 32, 40, 50, etc.
Temp. range: 0~70℃
Nominal pressure: 1.0MPa
Closure component: Rubber diaphragm Executive standards:
Design and manufacturing standard GB/T 12239 Testing and inspection standard JB/T9092 Structure length standard GB/T12221
Flange standard GB/T9119, 1.0MPa
Flange Dimensions

It can realize 100% bubble level sealing and ensure absolute zero downstream leakage.
Bi-directional full-pass runoff to decrease pressure drop, reduce wear and prolong service life. Automatic cleaning structure design to avoid solid particles stuck or block the valve. Completely maintenance-free design.
No direct contact between metal parts and slurry.
Modular diaphragm designed to facilitate the user to replace it. 

Nominal 

Diameter

DN

Flange O.D.

D

Diameter of Bolt 

Hole Center Circle

K

Bolt Hole 

Diameter

L

Bolt

Qty.n Thread Spec.

20 105 75 14 4               M12
32 140 100 18 4               M16
40 150 110 18 4               M16
50 165 125 18 4               M16

 

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