Cryogenic Globe Valve

Technical Summary

Nominal Size: ½” to 12”

Pressure Class: Class 150 to Class 1500

Temperature Range: -196°C to +200°C

Design Standards: BS 1873, BS 6364, ASME B16.34

Face to Face: ASME B16.10

End Connections: Flanged / Butt Weld / Socket Weld

Inspection and Testing: API 598, BS 6364

Construction and Materials

Body and Pressure Retaining Parts

• ASTM A351 CF8M
• ASTM A182 F316
• ASTM A182 F316L

Internal Components

• Disc: ASTM A182 F316 / F316L
• Stem: ASTM A182 F316 / F316L
• Seat Ring: Stainless Steel with Stellite overlay

Sealing System

• Packing: Graphite (low temperature compatible)
• Gasket: Spiral wound stainless steel with graphite filler
• Backseat: Integral backseat design to minimize stem leakage

Functional Design

Cryogenic Globe Valve is designed for precise flow regulation and throttling in ultra-low temperature applications. The extended bonnet design ensures that the stem packing area remains outside the cryogenic zone, preventing freezing and maintaining sealing integrity.

The globe configuration enables accurate control of flow and pressure, making it suitable for systems where modulation is required. The valve maintains dimensional stability and sealing performance under extreme thermal contraction conditions.

Material and Grade

Standard Materials

Component	Material	Grade	Typical Application
Body	Stainless Steel	ASTM A351 CF8M	Cryogenic LNG and industrial gas systems
Body	Forged Stainless Steel	ASTM A182 F316 / F316L	Low temperature service with high mechanical strength
Disc	Stainless Steel	ASTM A182 F316 / F316L	Flow regulation and sealing
Stem	Stainless Steel	ASTM A182 F316 / F316L	Low temperature toughness and corrosion resistance
Seat Ring	Stainless Steel with Stellite overlay	Hard faced	Wear resistance and tight shut-off

Extended Materials (On Request)

• Inconel 625 for extreme cryogenic and high pressure conditions
• Titanium Grade 2 / Grade 5 for specialized cryogenic service

Additional Information

Valve Type	Cryogenic Globe Valve
Operation	Manual / Electric / Pneumatic
Design Feature	Extended bonnet for thermal isolation
Flow Characteristics	Throttling and precise flow control
Leakage Control	Tight shut-off with metal seated design
Temperature Capability	Suitable for ultra-low temperature service down to -196°C
Service Media	LNG, liquid nitrogen, liquid oxygen, liquid hydrogen

End Connections

• Flanged as per ASME B16.5
• Butt weld as per ASME B16.25
• Socket weld as per ASME B16.11

Applications

• LNG industry: flow control in liquefaction, storage, and regasification systems
• Gas processing plants: cryogenic gas flow regulation
• Oil and gas industry: low temperature process control applications
• Industrial gas sector: oxygen, nitrogen, and hydrogen flow control
• Power generation: cryogenic fuel and gas flow regulation systems
• Marine and offshore: LNG transfer and control systems