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Plug Valves

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APT Plug Valve

Both the inlet and outlet adopt the 1502 union connection style(the connection style can also be made upon customer's requests). The connection between the valve body and the lining slip adopts the cylindrical type. The seal is inserted through the external cylindrical part.

The seal between the lining slip and the plunger is the cylindrical metal type, featuring high precision and reliable sealing.

Note: The valve can be easily opened or closed under 10,000 psi.

 

Main Technical Specification

Size Availability: 1" to 4"

Working Pressure: 5000~10000

Product Specification Level: PSL1~3

Performance Requirement Level: PR1~3

Material Class: AA thru FF

Working Temperature: P.U

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Top Entry FMC Style

The plug body of cylindric plug valve is in cylindrical shape,

which makes up of a sealing pair with the tapered hole surface of

valve body.

Cylindric plug valve is generally sealed in four ways, namely,

sealant, valve plug expansion, O-ring, eccentric plug wedges into

valve seat.

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Low Torque Halliburton Style

The plug body of tapered plug valve is in tapered shape,

which makes up of a sealing pair with the tapered hole surface of

valve body.

The leakage gap for sealing pair of tapered plug valve can be

adjusted by press the valve plug into valve seat. When valve plug

close contact to valve body, valve plug can rotate too, or lift it and

rotate 90 degree from valve seat before rotating, and then press

to seal.