Low-Temperature Gate Valves, Forged Steel, API 602, 1/2-2 IN

Product Name: Forged Steel Low-Temperature Gate Valves
Nominal Bore Size: 1/2-2 Inch, DN15-DN50
Nominal Pressure: Class 150-2500 LB, PN20-PN420
Design and Manufacturing Standard: API 602, ASME B16.34
Inspection and Testing Standards: API 598
Structural Length Standard: ASME B16.10
Body Materials: ASTM A105N, A350 LF2, LF3, A182 F11, F5, F22, F304, F304L, F316, F316L, F321, F304H, F316H, F321H, F51, F53, F55, F91, F92, F347, 310S, Incoloy 800H, Incoloy 600, Incoloy 625 and other special alloys

We are able to manufacture the following Ultra-Low Temperature Gate Valves:

1. Gate Valves for Liquefied Natural Gas (LNG)
2. Low Temperature Gate Valves for Air Separation and Liquefaction 
3. Low Temperature Gate Valves for Liquid Oxygen (-183°C)
4. Low Temperature Gate Valves for Liquid Nitrogen (-196°C)
5. Low Temperature Gate Valves for Liquid Argon (-186°C)
6. Low Temperature Gate Valves for Ethylene (-104°C)
7. Low Temperature Gate Valves for Ammonia (-33°C)
8. Low Temperature Gate Valves for Liquid Carbon Dioxide (-78°C)
9. Low Temperature Gate Valves for Food and Cold Chain Industries

Certifications and Treatments

Passed ISO 15848-1 Class 1500 LB -196°C low-temperature test.
Packing seal uses Inconel packing, and the mid-flange gasket adopts TA-LUFT certified gasket
Entire installation process involves degreasing and defatting treatment

Additional Unique Designs

Nut with flat bearing for lower torque
Position indicator for opening and closing
Locking chain structure
Spring-loaded compensator

The leakage value, after undergoing 1,500 cycles of operation at -196 degrees Celsius as per ISO 15848-1, shows an extremely low level.

The upper cover of the cryogenic valve, after being disassembled following 1,500 cycles of operation at -196 degrees Celsius in accordance with ISO 15848-1.