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Homepage>>>Products>>>Plug Valve

Plug Valve

    Plug valves, also called cock or stop-cock valves, date back to ancient times, where they were developed for use in citywide Roman plumbing systems. Today, they remain one of the most widely used valves for both on/off and throttling services. Their design is fairly simple; the body is comprised of three main parts: body, cover and plug. The plug is a cylindrical, tapered, or generally cone-shaped device that can be raised or lowered within the seat to maintain, restrict or completely shut off flow. The valve is opened by rotation, with the plug itself being the only element that is capable of movement. Early models of plug valves used metal-to-metal seals that were nonlubricated. This design is still used, but problems with galling and sticking limit their usefulness. The use of lubricant between the plug face and the seat eliminates most of these problems. The lubricant helps to control leakage around the plug, reduces wear between the valve contact surfaces, and slightly lifts the plug to reduce the operating torque required to operate the valve.

 

Connection Lift Plug Valve
Flange Connection Lifting Plug Valve ANSI
Inverted Pressure Balance Lubricated Plug Valve ANSI
Sleeve Type Soft Sealing Plug Valve Acc.To DIN
Flange Connection Lifting Plug Valve ANSI Inverted Pressure Balance Lubricated Plug Valve ANSI Sleeve Type Soft Sealing Plug Valve Acc.To DIN
       
Sleeve Type Soft Sealing Plug Valve ANSI
     
     

 

Main parameter of the Plug valve

Class 150LB-2500LB SIZE 1/2"~14"
DN50-DN350, PN16~PN40
DN50-DN350 10K~63K

DN50 -DN350, PN16~PN40

Material
WCB,LCB,WC6,WC9,C12,C5,CF8,CF3,CF3M,CF8M,A105,LF2,F11,F22,F5,F304,F316,F304L,F316L(2"~14")
A105,LF2,F11,F22,F5,F304,F316,F304L,F316L(1/2"-2" )
Design & Manufacture Std

API600, API 6D,ASME B16.34, JISB2071, JISB2073,JISB2083, BS 1873,BS1414

Face to Face Std

ASME B16.10,DIN 3202,BS2080, API 6D, JISB2002

End Connection Std

ASME B16.11,ASME B1.20.1,ASME B16.5, DIN2543-2550 ,JISB2212-JISB2214

Test Standard

ISO5208,BS 6755, API598,API 6D,JISB2003,DIN3230

 

 

 

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