Cryogenic Gate Valve

Summary:Equipped with pressure-balancing holes, ensuring safe and reliable performance at both low and ultra-low temperatures. Extended insulation neck for enhanced thermal protection. Full-bore design with an exposed stem supported by a sturdy bracket; the valve stem moves up and down while the handwheel remains stationary. Compact structure delivers excellent valve rigidity, smooth flow through the streamlined channel, and minimizes flow resistance. Operation is effortless during opening and closing, providing dependable sealing and effortless, yet highly flexible handling. Optional transmission mechanisms available for added versatility. Minimizes the risk of water hammer formation. Simple in design, featuring a short structural length, superior manufacturability, and broad applicability across various applications.

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Product Details

Product Features

Equipped with pressure-balancing holes, ensuring safe and reliable performance at both low and ultra-low temperatures.

Lengthened Insulated Neck

Full bore, rising stem with bracket, valve stem moves up and down while the handwheel remains stationary.

Compact structure, excellent valve rigidity, smooth flow passages, and low flow resistance coefficient.

Easier to operate during opening and closing, reliably sealed, and offering smooth, flexible handling.

Transmission method available as an optional upgrade

Less likely to cause water hammer.

Simple in shape, short in structural length, easy to manufacture, and suitable for a wide range of applications.

Product Specifications

Product Name	Design Specifications	Structural length	Connection standard	Testing and Inspection	Pressure-temperature	Product Identification	Supply Specifications
Gate valve	GB/T 24925 GB/T 12234	GB/T 12221	HG/T 20592	GB/T 13927	GB/T 12224	GB/T 12220	JB/T 7928
Gate valve	BS 6364 API 600	ASME B16.10	ASME B16.5	API 598	ASME B16.34	MSS SP-25	API 600

Size range: DN15–1000, NPS 1/2–40

Pressure range: 1.0–42.0 MPa, 150–2500 LB

Connection method: Flanges, Butt Welds, Socket Welds, Threads

Drive method: Handwheels, bevel gears, electric, pneumatic, and more

Major component materials

Name	Materials
Valve Body/Valve Cover	LCB	LC1	LC2	LC3	LC4	CF8/CF8M	CF3/CF3M
Gate valve	LCB	LC1	LC2	LC3	LC4	CF8/CF8M	CF3/CF3M
Valve stem	1Cr17Ni12			1Cr18Ni9Ti			0Cr14Ni12Mo2
Filler	Flexible Graphite / Polytetrafluoroethylene PTFE
Gasket	18-8 Flexible Graphite
Bolt	1Cr17Ni12			1Cr18Ni9Ti		1Cr18Ni9Ti
Applicable Temperature	-46 to 150°C	-60 to 150°C	-73 to 150°C	-101 to 150°C	-115 to 150°C	-196 to 150°C
Applicable Medium	Propane, propylene, methanol, ethane, coal gas, liquid nitrogen