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300LB 2inch Forged Steel A105N Flanged Piston Type Check Valve


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  • Forged Steel Check Valve


300LB 2inch Forged Steel A105N Flanged Piston Type Check Valve


          Forged Steel A105N Flanged Piston Type Check Valve designed and manufactured according to American Standard API602 design standard, bolted bonnet, full bore, OS&Y, lift valve stem, full forged steel, inverted seal design, hard alloy sealing surface. It is widely used to transport media in pipelines. The valve cannot be adjusted, but can only be fully opened. The full flow when fully open and the pressure loss when the medium is running. STL surfacing on the sealing surface can increase wear resistance and corrosion resistance, and the product has a longer service life. It can be installed with handwheels, bevel gears, pneumatic, electric, hydraulic and other actuators.


        J-VALVES A105N Flanged Piston Type Check Valve are designed, manufactured and tested according to API602, ASME B16.34 and GB/T12224 standards. Other international standards including JIS, BS and DIN are also available on request.

1. 300LB 2inch Forged Steel A105N Flanged Piston Type Check Valve Technical specifications:

● Bolted Body, Full Port Construction

● Design Standards: API602,ASME B16.34,GB/T1224

● Pressure Temperature Rating:ASME B16.34,GB/T9092

● Face to Face:ASME B16.5,GB/T,DIN,JIS

● Socket welded dimension:ANSI B16.11,JB/T1751

● Screw ends dimension:ANSI B1.20.1,JB/T7306

● Butt-welded:ANSI B16.25,JB/T1224

● Flanged ends:ANSI B16.5,JB79

2. 300LB 2inch Forged Steel A105N Flanged Piston Type Check Valve Product Specification:

● Size: 1/2”~2”(DN15~DN50)

● Pressure Rating: 150LB-2500LB

● Material: A105,LF2,F5,F11,F22,F304,F304L,F316,F316L,F347,F321,F51,Monel,20Alloy etc

● Suitable Temperature: -46ºC~538ºC( Different temperature choose different materials).

● Suitable Medium: Water, Steam, Oil and natural gas etc.

3. 300LB 2inch Forged Steel A105N Flanged Piston Type Check Valve Product Feature:

● CNC machine tool processing, high precision, good sealing .

● With sealing design, it is more safe and convenient to replace packing( Seat seal material could be decided by customer's request or according to valve's medium & temp. condition).

● Operation: Hand wheel, Gear,Pneumatic actuator & Electric Actuator.

4. 300LB 2inch Forged Steel A105N Flanged Piston Type Check Valve Product Drawing:



Note: All the data should be confirmed with the approved drawings of manufacturer.


         We also manufacture other type valves, as check valve, globe valve, Y straine, Any item meets your interest, anything confused you, pls keep me posted, let's talk more.

J-VALVES Service

● On Samples  Buyer bear the air fee, but this fee will be reduced from order directly

● On After Sales Free replacement if there is any quality problem

● On Delivery  Never delay delivery time

● On Materials  Ensure material pure

● Ensure material pure



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Manufacturer and supplier of industrial valves, including Floating Ball Valves, Trunnion Ball Valves, Flanged Gate Valves, Welded Gate Valves, High Pressure Gate Valves, Globe Valves, Swing Check Valves, Double Disc Wafer Check Valves, Y Strainers , etc. For more information, please send us your email .




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Address:Wenzhou China
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