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cryogenic globe valve DJ 10P 1 2 7 8

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cryogenic globe valve DJ 10P 1 2 7 8 Specification

Application
Liquefied gas, cryogenic tank, pipelines

Automatic Grade
Manual

Color
Silver, Metallic

Noise Level
Low

Control System
Handwheel operated

Material
Stainless Steel

Processing Type
Cryogenic service

Capacity
Up to 600 lbs/in

Size
1/2 & 7/8 (DN 15, DN 20)

Weight
Approx. 2.8 kg

Design Standard
BS6364, MSS SP-134

Stem Type
Non-rising, stainless steel stem

Packing
Graphite/PTFE packing

Body Test Pressure
1.5 x rated pressure

Operation
Manual handwheel

Test Standard
API 598

Body Material
CF8M / SS304 / SS316

Model
DJ 10P 1 2 7 8

Pressure Class
Class 150 to 900

Operating Temperature
-196°C to +80°C

Leakage Class
ANSI Class VI

Valve Type
Cryogenic Globe Valve

Flow Direction
Bidirectional

Bonnet Type
Extended bonnet for cryogenic insulation

End Connection
Socket weld / Butt weld / Flanged

Seat Material
PTFE / PCTFE

Shell Test Pressure
1.5 x rated pressure

cryogenic globe valve DJ 10P 1 2 7 8 Trade Information

Minimum Order Quantity
1 Unit

FOB Port
SHANGHAI

Payment Terms
Telegraphic Transfer (T/T)

Supply Ability
50 Units Per Month

Delivery Time
7 Days

Sample Available
Yes

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, Asia, Central America, Eastern Europe, North America

Main Domestic Market
All India

Certifications
CE

About cryogenic globe valve DJ 10P 1 2 7 8

Nominal Pressure:4.0Mpa
Design Temperature: -196
Suitable Media: LNG, LO2, LN2, LAr, CO2
Materials of Main Parts:
Body: HPb59-1
Stem: HPb59-1
Handwheel: ZL102
Disc Seals: PCTFE

Robust Cryogenic Design for Extreme Conditions

The DJ 10P 1 2 7 8 is engineered to handle temperatures as low as -196C, making it suitable for demanding cryogenic applications. The extended bonnet ensures effective thermal insulation, preventing stem icing and maintaining reliability in tough environments such as liquefied gas storage and transportation.

Versatile End Connections and Material Choices

This valve is offered with multiple end connection options, including socket weld, butt weld, and flanged ends for flexible installation. Made from high-quality CF8M, SS304, or SS316 stainless steel, it resists corrosion and strengthens performance in harsh conditions, ensuring a long operational lifespan.

High Standards in Safety and Performance

Certified to BS6364 and MSS SP-134 design standards, with API 598 test compliance, the DJ 10P 1 2 7 8 guarantees optimal safety and minimal leakage. The manual handwheel operation, coupled with PTFE/PCTFE seats and ANSI Class VI leakage rating, delivers secure, bidirectional flow control for sensitive cryogenic applications.

FAQ's of cryogenic globe valve DJ 10P 1 2 7 8:

Q: How does the extended bonnet benefit cryogenic applications?

A: The extended bonnet on the DJ 10P 1 2 7 8 offers insulation between the valve's internal components and external environment, preventing stem icing in extremely cold temperatures. This feature increases safety, reliability, and lifespan in low-temperature service.

Q: What materials are used in the construction of this cryogenic globe valve?

A: This model is constructed from robust CF8M, SS304, or SS316 stainless steel, providing excellent resistance to corrosion and low temperatures. The seat is made from PTFE or PCTFE for effective sealing and durability in cryogenic service.

Q: When should I use a Class 150-900 cryogenic globe valve in my system?

A: Use this valve when managing liquefied gases, cryogenic tanks, or pipelines that require precise flow control and minimal leakage at pressures up to 900 class and temperatures down to -196C. It's suitable where stringent international standards must be met.

Q: Where is the DJ 10P 1 2 7 8 cryogenic globe valve commonly installed?

A: These valves are typically installed in systems handling liquefied gases, cryogenic tanks, distribution pipelines, and other low-temperature service environments in industries such as petrochemical, industrial gas, and medical gas supply.

Q: What is the typical process for operating and maintaining this valve?

A: Operation is manual, using a handwheel to control flow bidirectionally. Maintenance involves periodic inspection for seat wear, stem lubrication, and checking packing integrity, especially after prolonged cryogenic exposure, to maintain ANSI Class VI leak tightness.

Q: How does the non-rising stem design improve performance?

A: The non-rising stem minimizes valve height during operation, offering more compact installation where space is limited. It also prevents the stem threads from exposure to the cryogenic media, thus reducing the risk of frost formation and operational issues.

Q: What advantages does the DJ 10P 1 2 7 8 offer over standard globe valves?

A: This model is optimized for extreme cold, with enhanced insulation, advanced seat materials, and a bidirectional flow design. Its compliance with international standards, high leakage class, and robust construction ensure higher reliability and safety in cryogenic applications.

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