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Inverted Pressure Balance Lubricated Plug Valve

Product name: Inverted Pressure Balance Lubricated Plug Valve

Inverted Pressure Balance Lubricated Plug Valve is mainly applied for cutting and connecting the pipeline medium. It has widely application, such as chemical, petroleum, pharmacy, power, chemical fertilizer and so on. 

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Standard and scope: 

Size: NPS  1/2"～16" DN15～DN400   
Pressure Rating: Class 150～900 PN10~PN100              
Connection: Flange, Butt weld,,Socket weld and so on
Material: Cast iron, Carbon steel , Stainless steel, ALLOY and so on
Design and Manufacture： API599 and API 6D
Inspection and Test：API 598 or API 6D, BS EN12569
End flange dimension：ASME B16.5（for NPS≤24）; BS EN 1092-1
BW end dimension：ASME B16.25
Socket-weld dimension：ASME B16.11
End to end：ASME B16.10, BS EN 558-1, ISO 5752
Pressure-temperature ratings：ASME B16.34
 
Design feature

There is an oil groose between body and seal surface, enable to input seal grease to improve seal performance
Lubricated Pressure Balance structure 
Drive: Lever, wormgear, electric actuator
 
Other Plug valves are also available: Sleeve type plug valve, Lifting type plug valve, Orbit plug valve, Eccentric plug valve.

 

NO.
Part name
Material
1
Bolt
ASTM A194-2H、A194-8、A194-8M
2
Nut
ASTM A194-2H、A194-8、A194-8M
3
Cover
ASTM A216-WCB ASTM A217-WC1、WC6、WC9、C5 ASTM A351-CF8、CF8M、CF3、CF3M
4
Gasket
Flexible graphite+stainless steel、PTFE
5
Plug
ASTM A182-Gr.F6a ASTM A182-F22 ASTM A182-F304、F316、F321、F304L、F316L
6
Body
ASTM A216-WCB ASTM A217-WC1、WC6、WC9、C5 ASTM A351-CF8、CF8M、CF3、CF3M
7
Stem
ASTM A182-Gr.F6a ASTM A182-F22 ASTM A182-F304、F316、F321、F304L、F316L
8
"o"ring
NBR
9
Packing
Flexible graphite、PTFE
10
Gland
ASTM A216-WCB ASTM A217-WC1、WC6、WC9、C5 ASTM A351-CF8、CF8M、CF3、CF3M
11
Oil nozzle
 
12
Check valve
 
13
Wrench
ASTM A47-32510、A216 WCB