Send Inquiry

Request To Call Back

CRYOGENIC GLOBE VALVE DJ GGY

Name: CRYOGENIC GLOBE VALVE DJ GGY
Brand: ZHANGJIAGANG GRANDE MACHINERY CO., LTD
Price: 30-50 USD
Availability: InStock

Price 30-50 USD ($)/ Unit

Get a Price/Quote

MOQ : 1 Watt

CRYOGENIC GLOBE VALVE DJ GGY Specification

Application
Cryogenic Service for LNG, Liquid Oxygen, Nitrogen, Hydrogen

Automatic Grade
Manual

Size
1/2 to 24 (DN15 to DN600)

Control System
Handwheel Operated

Thickness
As per Design Standard

Capacity
Up to DN600

Weight
Varies with Size

Color
Metallic Silver / Blue Actuator

Noise Level
Low

Processing Type
Forged / Cast

Material
Stainless Steel / Carbon Steel / Alloy Steel

Testing Standard
API 598

Special Feature
Extended Bonnet for Cryogenic Service

Pressure Rating
Class 150 to 1500

Operation
Manual / Gear Operated

Packing
PTFE / Graphite Packing

End Connection
Flanged, Butt Weld, Socket Weld

Design Standard
API 602 / BS 6364 / ASME B16.34

Leakage Class
ANSI Class VI (Bubble Tight)

Temperature Range
-196°C to +80°C

Body Bonnet Construction
Bolted Bonnet / Extended Bonnet

Stem Type
Rising Stem

CRYOGENIC GLOBE VALVE DJ GGY Trade Information

Minimum Order Quantity
1 Watt

FOB Port
SHANGHAI

Payment Terms
Telegraphic Transfer (T/T)

Supply Ability
50 Watts Per Month

Delivery Time
7 Days

Sample Available
Yes

Sample Policy
Contact us for information regarding our sample policy

Packaging Details
wooden box

Main Domestic Market
All India

Certifications
CE

About CRYOGENIC GLOBE VALVE DJ GGY

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

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

Superior Cryogenic Performance

Designed specifically for cryogenic services, the DJ GGY globe valve ensures reliable operation and safety at temperatures down to -196C. Its extended bonnet provides excellent insulation and leak-tight performance in demanding applications, making it ideal for LNG terminals, air separation units, and hydrogen plants.

Flexible End Connections and Operation

The valve offers a choice of flanged, butt weld, and socket weld end connections to accommodate varied system requirements. Operation can be manual or gear-driven, with a handwheel for precise control, facilitating seamless integration into existing infrastructure.

Robust Construction and Quality Assurance

Constructed from high-quality stainless steel, carbon steel, or alloy steel, the DJ GGY globe valve provides durability and long service life. All valves are thoroughly tested per API 598 standards to ensure bubble-tight sealing and reliable performance in critical cryogenic environments.

FAQ's of CRYOGENIC GLOBE VALVE DJ GGY:

Q: How does the extended bonnet benefit cryogenic applications?

A: The extended bonnet design creates thermal isolation between the cryogenic media and the stem packing, minimizing the risk of packing freeze and ensuring reliable valve operation at extremely low temperatures.

Q: What is the process for selecting the suitable end connection for installation?

A: Selection depends on the piping system and application; flanged, butt weld, and socket weld options are available to match system needs and facilitate proper integration with cryogenic pipelines.

Q: Where can the DJ GGY cryogenic globe valve be used?

A: This valve is ideal for cryogenic applications such as LNG plants, liquid hydrogen and oxygen distribution, nitrogen systems, and air separation units due to its wide temperature range and robust construction.

Q: What makes the valve's leakage class ANSI Class VI significant?

A: ANSI Class VI (Bubble Tight) denotes zero visible leakage, crucial for preventing the loss of valuable cryogenic media and ensuring process safety in high-risk environments.

Q: When is gear-operated control recommended over manual operation?

A: Gear-operated control is recommended for larger valve sizes (up to DN600) or where precise actuation is needed, reducing operational force and improving safety during valve adjustment.

Q: What is the usage procedure for manual operation of the valve?

A: Operators turn the handwheel to raise or lower the stem for flow adjustment, following standard protocols for cryogenic systems and ensuring all safety measures are observed.

Q: What are the benefits of PTFE or graphite packing in the valve?

A: PTFE and graphite packing provide excellent sealing, chemical resistance, and durability, which are essential for preventing leaks and maintaining performance under cryogenic conditions.

Tell us about your requirement