Plug valve is a closed piece or plunger-shaped rotary valve, by
rotating 90 degrees to make the valve plug on the channel port and
the valve body on the channel port connected or separated, to
achieve the opening or closing of a valve. Its plugs can be
cylindrical or conical in shape. In cylindrical plugs, the channel
is generally rectangular; in conical plugs, the channel is
trapezoidal. These shapes make the plug valve lightweight. It is
most suitable for use as a cut-off and switching medium and for
shunting, but depending on the nature of the application and the
corrosion resistance of the sealing surface, it may sometimes be
used to throttle the flow. It is the ideal product with the
advantage of deposit-free, anti-crystallization, anti-corrosion,
and anti-high temperature and high pressure for pipe
systems. There are two typical types of plug valves, which are
lubricated and non-lubricated. The seat is an integral part of the
body in terms of lubricated plug valve. For non-lubricated plug
valve, there will be lined and sleeved type, with a soft seal
design to improve leakage tightness of the valve.Plug valves are
focus on non-lubricated sleeved types with reduced bore or full
bore designs, typically applied for strong corrosive
applications.We can provide you with single gland type plug valves,
double glands type plug valves, 3-way plug valves, jacketed plug
valves, full port plug valves. In addition to standard ranges,
also available from stock are full bore, lockable, and ATEX
compliant actuation, low emission, etc. Design API599, ASME
B16.34 Testing API 598, API6D, EN12266-1 Face to face dimension
ASME B16.10 Ends connection ASME B16.5, ASME B1.20.1, ASME B16.25
Pressure temperature rating ASME B16.34 Marking MSS SP-25
Non-destructive Examination VT, PT, RT, UT, MT Options Full bore
reduced bore
Structure Features Non-lubricated Threefold stem seal system Zero
leakage Cavity free design 360° metal lips design Quick turn
feature Anti-static Design Fire-safe Replaceable sleeve
Bi-directional flow Double gland seals design Trunnion design
Fugitive emission design Operation Handle, Gear, Pneumatic
actuators, Hydraulic actuator, Electrical actuator /* March 10,
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