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A 900LB (Class 900) Lubricated Plug Valve is a high-pressure, severe-service valve designed for industrial applications involving, oil, gas, and corrosive media. With a maximum working pressure of 2,220 psig (153 barg) (for A216 WCB steel at typical working temperatures), these valves often feature an "inverted pressure balance" design, which improves sealing and reduces operating torque.
Key Specifications & Features
- Pressure Rating: Class 900 (900LB / PN150 / 2220 psi)
- Sizes: Typically available from to
- Design Standards: Conforms to API 6D (pipeline valves), API 599, and ASME B16.34
- Materials: Common materials include ASTM A216 WCB (carbon steel), A217 WC6/WC9 (alloy steel), and A351 CF8/CF8M (stainless steel)
- End Connections: RTJ (Ring Type Joint) is common for high pressure, along with RF (Raised Face) and BW (Butt Weld)
- Operation: Generally equipped with a wrench (lever) or gear operator
Common Applications
900LB Lubricated Plug Valves are frequently used in:
- Oil and Gas Pipelines: Ideal for high-pressure natural gas and oil transmission.
- Chemical & Petrochemical: Resistant to corrosive, erosive, and solids-containing fluids.
- Sour Service: Many models are designed for environments.
Design Advantages
- Positive Sealing: Lubricant (sealant) is injected into grooves between the plug and body, creating a seal that can be renewed without taking the valve out of service.
- Inverted Pressure Balance: Features a conical plug with the smaller end at the bottom, helping to lift the plug away from the seat, reducing torque and preventing sticking under high pressure.
- Fire-Safe Design: Many models meet API 6FA fire safety standards.
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Web results
API 6D Lubricated Plug Valve, 2 Inch, 900 LB, ASTM A216 WCB
bossealvalves.com
https://www.bossealvalves.com › ... › Plug Valve
bossealvalves.com
https://www.bossealvalves.com › ... › Plug Valve
This 2-inch valve operates at 900 LB pressure, crafted from ASTM A216 WCB material, featuring CA15+ENP Trim for enhanced durability.Read more
150LB 300LB 600LB 900LB Oil gas lubricated plug valve
plug-valves.com
https://www.plug-valves.com › lubricated-plug-valve › 1...
plug-valves.com
https://www.plug-valves.com › lubricated-plug-valve › 1...
150LB 300LB 600LB 900LB Oil gas lubricated plug valve was widely applied for petroleum, chemical industry, pharmacy,chemical fertilizer, power industry etc.Read more
Inverted Pressure Balance Lubricated Plug Valve
Jonloo Valve
https://www.jonloovalves.com › Products › Plug Valves
Jonloo Valve
https://www.jonloovalves.com › Products › Plug Valves
Lubricated plug valve consists of a cavity in the middle of plug along its axis. This cavity is closed at the bottom and fitted with a sealant-injection ...Read more
ASTM A216 WCB Lubricated Plug Valve, 4 Inch, 900 LB, ...
Baltic Valve
https://www.baltic-valve.com › astm-a216-wcb-lubricate...
Baltic Valve
https://www.baltic-valve.com › astm-a216-wcb-lubricate...
China lubricated plug valve manufacturer Baltic offers lubricated plug valve, pressure balanced, ASTM A216 WCB, 4 Inch, 900 LB, API 6D, RTJ flanged end.
API 599 Lubricated Plug Valve, A216 WCB, 3 Inch, 900 LB, RTJ
kosenvalve.com
https://www.kosenvalve.com › ... › Lubricated Plug Valve
kosenvalve.com
https://www.kosenvalve.com › ... › Lubricated Plug Valve
The API 599 Lubricated Plug Valve features a pressure-balanced design for smooth operation and enhanced sealing. Constructed with an ASTM A216 WCB body, ...Read more
Forged Lubricated Plug Valve-Lubricated ...
NSV VALVE CORPORATION
https://www.nsvvalve.com › products › 73-forged_plug_...
NSV VALVE CORPORATION
https://www.nsvvalve.com › products › 73-forged_plug_...
Rating: ANSI 150lb ~ 900lb(PN16~64) Body Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel. Plug: Carbon Steel, Stainless Steel, Alloy ...Read more
Lubricated Plug Valve
Dvsvalve
https://www.dvsvalve.com › lubricated-plug-valve_c40
Dvsvalve
https://www.dvsvalve.com › lubricated-plug-valve_c40
The lubricated plug valve owns a sealant channels that provide lubrication and protect the seating surface from corrosion, erosion or accumulation of solids ...Read more
Lubricated Plug Valve, API 599,DIN 3202,1/2-24 IN,150-900 LB
jscvalve.com
https://www.jscvalve.com › lubricated-plug-valve-api-59...
jscvalve.com
https://www.jscvalve.com › lubricated-plug-valve-api-59...
Available in sizes ranging from 1/2 to 24 inches, with class ratings from 150 to 900 LB, this valve conforms to API 599 and DIN 3202 standards.Read more
ASTM A995 5A Lubricated Plug Valve, 2 Inch, 900 LB, API ...
Dervos Valve
https://www.dervosvalve.com › astm-a995-5a-lubricated-...
Dervos Valve
https://www.dervosvalve.com › astm-a995-5a-lubricated-...
2 Inch 900 LB plug valve is made according to API 6D standard. The valve body is made of ASTM A995 5A. It has the structural characteristics of oil-sealed ...Read more
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Web results
API 6D Metal Seat Lift Plug Valve, WCB, 1/2-16 IN, 150-900 LB
weldonvalves.com
https://www.weldonvalves.com › ... › Lift Plug Valve
weldonvalves.com
https://www.weldonvalves.com › ... › Lift Plug Valve
Our valves are engineered to deliver exceptional performance in demanding environments, with sizes ranging from 1/2 to 16 inches and class ratings spanning 150 ...Read more