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CRYOGENIC GLOBE VALVE DJ NPT

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MOQ : 100 Kilograms

CRYOGENIC GLOBE VALVE DJ NPT Specification

Capacity
Suitable for Cryogenic Applications

Application
Cryogenic Service, Liquid Oxygen, Nitrogen, LNG, Industrial Gases

Processing Type
Forged

Control System
Hand Operated

Thickness
Body Wall as per ASME B16.34

Weight
Varies by Size

Size
1/2 inch to 2 inch

Noise Level
Low

Automatic Grade
Manual

Material
Stainless Steel / CF8 / CF8M

Color
Metallic Silver

End Connection
DJ NPT (Double Jointed National Pipe Thread)

Seat Type
Soft Seat / Metal Seat

Testing Standard
API 598 / BS 6755

Pressure Rating
Class 150 - Class 800

Operation
Rising Stem with Outside Screw & Yoke

Leakage Class
Class VI or as specified

Bonnet Type
Extended Bonnet for Cryogenic Service

Temperature Range
-196°C to +80°C

Body Design
Angle / Straight Type Globe Valve

CRYOGENIC GLOBE VALVE DJ NPT Trade Information

Minimum Order Quantity
100 Kilograms

Payment Terms
Telegraphic Transfer (T/T)

Supply Ability
50 Kilograms Per Month

Delivery Time
7 Days

Sample Available
Yes

Sample Policy
Contact us for information regarding our sample policy

Main Domestic Market
All India

About CRYOGENIC GLOBE VALVE DJ NPT

Nominal Pressure: 4.0Mpa
Design Temperature: -40AAAA A12A+80AAASuitable Media: O2, N2, Ar, NG,A CO2

Materials of Main Parts:
Body, Cover: CF8
Disc, Stem: S30408
Disc Seals: PTFE

Precision Engineered for Cryogenic Safety

This valve is meticulously designed for cryogenic environments, ensuring safe operation even under extreme temperatures. The extended bonnet and robust forging process enhance durability and insulation, making it dependable for handling substances like liquid oxygen and LNG.

Flexible and Reliable Material Choices

Crafted from high-quality stainless steel, CF8, and CF8M material, this globe valve offers excellent corrosion resistance and longevity. Its metallic silver finish and adherence to ASME B16.34 standards guarantee stability and safety in volatile cryogenic conditions.

FAQ's of CRYOGENIC GLOBE VALVE DJ NPT:

Q: How does the DJ NPT end connection benefit installation in cryogenic systems?

A: The Double Jointed NPT end connection allows for secure and leak-resistant assembly, simplifying installation and maintenance in cryogenic pipelines. It provides a reliable seal, which is critical for handling cold gases safely.

Q: What is the recommended process for selecting between soft seat and metal seat types?

A: Soft seats are best for applications requiring tight shut-off and low leakage, while metal seats are preferable for conditions with higher temperatures, pressures, or abrasive media. Selection depends on your specific operational environment and required leakage class.

Q: Where can the CRYOGENIC GLOBE VALVE DJ NPT be used?

A: This valve is suitable for industrial installations dealing with liquid oxygen, nitrogen, LNG, and various industrial gases. It is widely used in cryogenic service facilities and processing plants worldwide, including China.

Q: When should I specify an extended bonnet for my globe valve?

A: An extended bonnet should be specified when the valve will operate at very low temperatures (down to -196C). It prevents heat transfer to the stem, reducing the risk of malfunction or leakage caused by thermal contraction.

Q: How does the valve's testing to API 598 and BS 6755 standards ensure quality?

A: Testing to API 598 and BS 6755 verifies the valve's integrity, leak tightness, and structural performance, assuring users that the valve will perform reliably under specified conditions and meets global safety requirements.

Q: How is manual, hand-operated control advantageous in cryogenic applications?

A: Manual control offers precise regulation of flow and is reliable in low-temperature environments, where automated systems may be less effective. It allows operators to respond quickly to process demands and maintain operational safety.

Q: What are the main benefits of using forged stainless steel for the valve body?

A: Forged stainless steel provides exceptional strength, improved wall thickness per ASME B16.34, and enhances resistance to corrosion and thermal stress, resulting in longer service life and better performance for cryogenic duties.

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