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Cryogenic Flanged Gate Valve

    JERI Cryogenic valves normally refer to valves with working temperature blow -110℃. It is widely used in LNG, LPG and other low temperature industry.Valves designed for cryogenic services, are specially prepared and designed to overcome these challenges. Appropriate component materials such as 304SS (CF8) and 316SS (CF8M) are normally used for body and trim, offering superior impact strength, and excellent corrosion resistance and heat loss properties. An extended bonnet and gas column design is also normally adopted to provide thermal insulation at the stem seal and stem packing area. At sufficient length, this design feature places the functionality of the stem seal in the vapor zone of the liquid media providing safe and continuous valve operation. A variety of body, trim, seat, and seal materials are available for use in cryogenic service. Customer specified options, such as body cavity vent hole, special extension lengths, and materials are also available upon request.
Our Cryogenic gate valve service up to -196℃

VALVE DESIGN DATA

Size: 2"-30"
End connection: RF, RTJ
Working temperature: -196℃～200℃
Operation: handwheel, gear box, electric, etc

Nominal pres sure:  Class 150Lb-2500Lb PN1.6-16.0MPa
Material: LCB,CF8,CF8M,CF3,CF3M,
Design & Manufacture Std.:  API 600, API 6D, BS1414
Face to Face Std.: ANSI B16.34 、API 608 、API 6D
Flange、Thread End Connection Std.: ASME B16.5、 ANSI B1.20.1
API 608 is intended to provide the similar additional requirements for steel and alloy steel ball valves beyond
ASME B16.34 as do the following API standards for other valve types:
API  594, Check Valves: Flanged, Lug, Wafer and Butt-welding
API Standard 599, Metal Plug Valves—Flanged, Threaded and Welding Ends
API Standard 600, Bolted Bonnet Steel Gate Valves for Petroleum and Natural Gas Industries
API Standard 602, Steel Gate, Globe and Check Valves for Sizes DN 100 and Smaller for the Petroleum and Natural Gas Industries
API 600: Bolted Bonnet Steel Gate Valve for Petroleum and Natural Gas Industries
BS 1414: Specification for Steel Wedge Gate Valves (Flanged and Butt-welding Ends) for the Petroleum, Petrochemical and Allied Industries
DIN3352: Bolted Bonnet Steel Gate Valve for Petroleum and Natural Gas Industries
ASME B16.47 Series A Large Diameter Steel Flanges: NPS 26 Through NPS 60 Metric/Inch Standard
MSS SP-25 Standard Marking System for Valves, Fittings, Flanges and Unions
ASME B16.20, Metallic Gaskets for Pipe Flanges—Ring-joint, Spiral-wound and Jacketed
ASME B16.25, Butt Welding Ends
ASME B31.3 Process Piping
API 6FA  Fire Testing of Valves
API Std 598  Valve Inspection and Testing

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