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cryogenic globe valve DGJ

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MOQ : 1 Piece

cryogenic globe valve DGJ Specification

Automatic Grade
Manual

Color
Silver / Metallic

Weight
Varies by Size (approx. 6 kg to 120 kg)

Thickness
Up to DN 250

Size
DN 15 to DN 250

Control System
Hand Wheel Operated

Noise Level
Low

Material
Stainless Steel / Forged Steel

Capacity
High Flow Capacity

Application
LNG, Liquid Nitrogen, Liquid Oxygen, Cryogenic Gas Pipeline

Processing Type
Cryogenic Service

Operation Type
Manual / Optional Pneumatic Actuator

Bonnet Type
Extended Bonnet for Cryogenic Use

End Connection
Flanged / Butt Weld / Socket Weld

Testing
Hydrostatic and Cryogenic Testing

Trim Material
Stainless Steel or Monel

Pressure Rating
Class 150 to Class 1500

Leakage Rate
Class VI (Bubble Tight)

Temperature Range
-196°C to +80°C

Body Type
Straight Pattern

Design Standard
BS, ASME, API

cryogenic globe valve DGJ Trade Information

Minimum Order Quantity
1 Piece

FOB Port
SHANGHAI

Supply Ability
50 Pieces Per Month

Delivery Time
7 Days

Sample Policy
Contact us for information regarding our sample policy

Packaging Details
wooden box

Main Export Market(s)
Australia, South America, Western Europe, Middle East, Africa, Central America, Eastern Europe, Asia, North America

Main Domestic Market
All India

Certifications
CE

About cryogenic globe valve DGJ

Nominal Pressure:32Mpa
Design Temperature: -196+80-Suitable Media: LNG, LO2, LN2, LAr
Connection: Socket Weld
Materials of Main Parts:
Body, Cover: S30408
Disc, Stem: S30408

Versatile Cryogenic Performance

This valve excels in low-temperature environments, from LNG facilities to laboratories handling liquid nitrogen and oxygen. Featuring robust stainless steel or forged steel construction, it ensures safety and reliability under extreme thermal conditions, maintaining precise flow control and a leak-proof seal at all rated pressures and connection types.

High Standards of Quality and Testing

Each DGJ globe valve undergoes rigorous hydrostatic and cryogenic testing to guarantee performance and durability. The extended bonnet design protects critical internal components, while compliance with international standards (BS, ASME, API) makes it a trusted choice for global projects.

Flexible Installations and Control Options

Engineered for adaptability, the DGJ valve accommodates both manual and pneumatic operations. Its body type supports high flow capacity while minimizing noise. Multiple end connections, sizes, and trim materials provide custom solutions for diverse industrial requirements.

FAQ's of cryogenic globe valve DGJ:

Q: How is the DGJ cryogenic globe valve installed in a cryogenic gas pipeline system?

A: Installation depends on the chosen end connection type-flanged, butt weld, or socket weld. The valve should be connected according to the pipeline configuration, ensuring the extended bonnet remains properly oriented for optimal insulation and performance in cryogenic environments.

Q: What benefits does the extended bonnet offer for cryogenic service?

A: The extended bonnet acts as an insulating barrier, protecting valve packing and internal components from extreme cold. This design ensures reliable operation at temperatures as low as -196C, minimizing the risk of leakage and enhancing valve longevity.

Q: Where can this valve be used within industrial processes?

A: The DGJ cryogenic globe valve is suitable for facilities processing LNG, liquid nitrogen, and liquid oxygen, as well as cryogenic gas pipelines. Its robust build and high flow capacity make it ideal for both distribution and storage applications.

Q: What materials are available for the valve and trim, and how do they affect performance?

A: Valve bodies are offered in stainless steel or forged steel, ensuring durability. Trims are available in stainless steel or Monel, providing resistance to corrosion and wear in harsh cryogenic conditions, thereby extending service life.

Q: When should a pneumatic actuator be considered for this valve?

A: A pneumatic actuator is recommended for remote operation, frequent cycling, or when manual access may be limited. This option enhances automation and process efficiency while maintaining safe operation in cryogenic services.

Q: What testing processes are performed on the DGJ cryogenic globe valve?

A: Valves undergo hydrostatic and cryogenic testing to verify structural integrity, leak-tightness (Class VI bubble-tight), and functionality under both high-pressure and low-temperature conditions, ensuring compliance with industry standards.

Q: How does the valve ensure noise reduction during operation?

A: The straight pattern body design and precision machining help minimize flow turbulence, resulting in lower noise levels even at high flow rates, contributing to a safer and quieter working environment.

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