Cryogenic Gate Valve

Summary:Suitable for hazardous media Triple sealing of the valve stem Bellows seal Full-lift upper seal Low-leakage packing seal Compact structure, excellent valve rigidity, smooth flow path, and low flow resistance coefficient Easier to operate during opening and closing, ensuring reliable sealing and effortless, flexible handling Optional transmission methods available Simple design, short structural length, and excellent manufacturability

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Product Details

Product Features

Suitable for Hazardous Media

Triple Sealing for Valve Stem

Bellows Seal

Fully Open Top-Sealed

Low-leakage packing seal

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

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

Transmission method available as an option

Simple in shape, short in structural length, and easy to manufacture.

Product Specifications

Product Name	Design Specifications	Structural length	Connection standard	Testing and Inspection	Pressure-Temperature	Product Identification	Supply Specifications
Gate valve	JB/T 11487 GB/T 12234	GB/T 12221	HG/T 20592	GB/T 13927	GB/T 12224	GB/T 12220	JB/T 7928
Gate valve	API 600	ASME B16.10	ASME B16.5	API 598	ASME B16.34	MSS SP-25	API 600

Size range: DN15–300, NPS 1/2–12

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	WCB	LCB	WC6	CF8/CF8M	CF3/CF3M
Gate valve	WCB	LCB	WC6	CF8/CF8M	CF3/CF3M
Valve stem	2Cr13	1Cr17Ni12	1Cr18Ni9Ti	0Cr17Ni11Mo2
Bellows	0Cr18Ni9	0Cr18Ni9	0Cr18Ni9	00Cr17Ni14Mo2
Filler	Flexible Graphite
Gasket	18-8 Flexible Graphite
Bolt	35CrMoA	1Cr17Ni12	40Cr2MoV	1Cr18Ni9Ti
Applicable Temperature	-46 to 300°C	-46 to 300°C	-29 to 300°C	-29 to 300°C