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J-Valves Made in China Flanged 20" X 300lbs RF. Cast Body And Bonnet Gate Valve

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Our J - Valves flanged gate valve, crafted in China, is a top - tier industrial solution. Measuring 20 inches with a 300 - lbs rating and a raised face (RF) design, it’s suitable for a wide range of high - pressure applications. The valve features a cast body and bonnet, offering excellent durability and resistance to corrosion.
The gate valve design ensures smooth on - off operation, minimizing flow resistance. Whether in the oil and gas, chemical, or water treatment industries, this valve guarantees reliable performance, long - term service life, and enhanced system efficiency.
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  • J-VALVES-BV

  • J-VALVES

  • 8481804090

J-Valves Made in China Flanged 20" X 300lbs RF. Cast Body and Bonnet Gate Valve


Porduct Name

J-Valves Made in China Flanged 20" X 300lbs RF. Cast Body And Bonnet Gate Valve

Material 304/316/B62/2207/2507/316ti/C95800, etc.
Size 2"-24"(DN100-DN600)
Port Full Port
Working Pressure 150LB/300LB
Connection Ends RF
Working Temp. -20ºC~200ºC
Suitable Medium Water, Natural Gas, Oil and some corrosive liquid
Operated Manual, Worm Gear, Pneumatic actuator, Electric Actuator
Features Investment casting,Blow-out proof stem,Anti-static device(option)
Design standard API6D/API608/API607
Inspection&Testing According to API598
Brand J-VALVES




Advantages



  1. Superior Build Quality
    Made in China, J-Valves’ 20” flanged gate valves with a 300 lbs rating and RF (Raised Face) design feature cast body and bonnet construction. This casting method ensures high structural integrity, making the valve resistant to harsh operating conditions, including high pressure and temperature. The robust build minimizes the risk of leakage and extends the valve’s service life.

  2. High - Performance Sealing
    The raised face (RF) design provides an enhanced sealing surface. This results in a reliable seal, effectively preventing fluid leakage. Whether it is transporting liquids or gases, the valve’s excellent sealing performance guarantees system efficiency and safety, reducing the potential for environmental pollution and resource waste.

  3. Easy Installation and Maintenance
    Thanks to the standardized flanged connection design, installation is straightforward, saving both time and labor costs. Additionally, the cast body and bonnet construction simplifies maintenance. Spare parts are readily available, and technicians can easily disassemble, repair, and reassemble the valve, minimizing downtime.

  4. Cost - Effectiveness
    These J-Valves offer an optimal balance between performance and cost. Combining high - quality materials with advanced manufacturing techniques, they deliver reliable operation at a competitive price. Compared to some imported counterparts, they can significantly reduce procurement costs without sacrificing performance.


Applications


  1. Oil and Gas Industry
    In oil and gas pipelines, these gate valves are used to regulate the flow of crude oil, natural gas, and refined petroleum products. Their ability to withstand high pressure and maintain a tight seal makes them suitable for onshore and offshore pipeline systems, storage facilities, and refineries.

  2. Power Generation
    They are deployed in power plants, both fossil - fuel - fired and combined - cycle power plants. The valves control the flow of steam, water, and other working fluids, ensuring the stable operation of turbines and boilers.

  3. Chemical Processing
    For chemical plants handling corrosive or hazardous substances, the J-Valves’ robust construction and reliable sealing prevent leaks, ensuring the safe transportation and processing of chemicals. They can be used in processes such as petrochemical production, pharmaceutical manufacturing, and industrial waste treatment.

Technical Standards

1.Design & Manufacture standard:API600
2.Pressure & Temperature standard:ASME B16.25
3.Face to face dimension standard: ASME B16.10
4.Ends Connection standard:ASME B16.5
5.Test & Inspect standard: API598


Design & Manufacture standard ASME B16.34
Pressure & Temperature standard ASME B16.34
Face to face dimension standard MFG Standard
Ends Connection standard ASME B1.20.1
Test & Inspect standard API 598


Testing Pressure(Mpa)
 

Pressure 150LB 300LB 600LB 900LB 1500LB 2500LB
Strength Testing 3.0 7.5 15.4 23.0 37.5 63.0 Mpa
Seal Testing 2.2 5.5 11.2 16.9 27.5 46.2
Air Testing 0.6 0.6 0.6 0.6 0.6 0.6


Advantages
Product display
In the field of industrial valves, high-pressure cast steel gearbox-operated self-sealing gate valves have performed well. The valve body made of high-pressure cast steel is solid and reliable, and can cope with high-pressure working conditions; the gearbox is easy to operate and precise, and the opening and closing can be easily controlled; the self-sealing technology prevents medium leakage and ensures production safety.
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