Cryogenic Valve Supplier in Dubai Unley

UAE Valves is a leading Cryogenic Valve supplier in Dubai. Cryogenic valves are specialized components designed to regulate the flow of fluids at extremely low temperatures, typically below -150°C (-238°F). These valves are essential in industries such as aerospace, medical, and liquefied natural gas (LNG) processing, where handling cryogenic liquids like liquid nitrogen and liquid oxygen is common.

The primary function of cryogenic valves is to control the flow rate, pressure, and direction of these ultra-cold fluids while maintaining a tight seal to prevent leaks and ensure operational safety. Constructed from materials that can withstand extreme cold and designed to mitigate thermal contraction, these valves incorporate unique sealing mechanisms and insulation to operate effectively in cryogenic environments.

Features such as extended bonnets protect internal components and stem seals from intense cold, while specialized trim materials and seat designs prevent material embrittlement, ensuring long-term reliability.


Operating Principle

Cryogenic valves are engineered to function at extremely low temperatures, often below -150°C (-238°F), controlling the flow of cryogenic fluids like liquid nitrogen, liquid oxygen, or LNG. These valves maintain a tight seal and reliable operation in harsh conditions due to several key features:

Material Selection: Made from materials that can withstand thermal contraction.

Extended Bonnets: Protect stem seals from cryogenic temperatures, ensuring the operating mechanism remains functional.

Special Seals and Seats: Incorporate low-emission stem packing and precision-machined seats to prevent leakage.

Thermal Conductivity Minimization: Designed to prevent cold from affecting other system parts, ensuring smooth operation.


Types of Cryogenic Valves

Cryogenic Ball Valve
Cryogenic Check Valve
Cryogenic Gate Valve
Cryogenic Long Stem Globe Valve


Why Cryogenic Valves Have Long Stems

Cryogenic valves often feature long stems to maintain the integrity of the stem seal in extremely low-temperature environments. Here’s why:

Thermal Shrinkage Management: Metal parts, including the stem, contract due to thermal shrinkage when exposed to cryogenic temperatures. This can cause the stem seal, located near the valve body, to lose effectiveness if exposed to extreme cold.

Seal Protection: By extending the length of the stem, the seal is positioned away from the coldest part of the valve, usually near the valve body. This design helps keep the stem seal at a higher, more manageable temperature, reducing the risk of it becoming brittle or losing its ability to maintain a tight seal.

Ease of Operation: The extended stem allows easier operation from a distance, especially in industrial settings where valves may be located in hard-to-reach or insulated areas.

Functional Efficiency: The long stem acts as a protective measure to ensure the continued functionality and reliability of the valve's sealing mechanism in extremely low-temperature environments, providing both operational efficiency and safety.


As the best Cryogenic Valve supplier in Dubai, our valves offer these advantages:

Material Suitability: Constructed from materials suitable for extreme cold.
Low Thermal Expansion: Designed to handle minimal thermal contraction.
Extended Bonnets: Protect seals and internal components.
Leak Prevention: Ensures tight sealing to prevent leaks.
Precision Engineering: Provides reliable performance in harsh conditions.
Safety Compliance: Meets safety standards for cryogenic applications.
Versatility: Suitable for various cryogenic applications.
Corrosion Resistance: Built to withstand corrosive environments.

Industries Using Cryogenic Valves

Liquefied Natural Gas (LNG) Industry
Industrial Gases Industry
Aerospace and Defense
Energy Sector
Semiconductor Manufacturing
Cryopreservation
Environmental Testing

Description

1. Materials: SS304, SS316, CF8M, CF8, F51, F55, F53, WCB, WC6, WCC, LCB, LCC
2. Class: 150 to 800
3. Nominal Pressure: PN25 to PN100
4. Size: 1/2” to 24”
5. Ends: Threaded, Socket Weld, Butt Weld, Flanged, Lug, Wafer
6. Operations: Lever Operated, Gear Operated, Hand Wheel Operated, Electric Actuated, Pneumatic Actuated

Visit us to learn more: https://www.uaevalves.com/product-category/cryogenic-valve//

Address:- Level 5 Emaar Square, Downtown Dubai, Dubai, United Arab Emirates

Contact seller Share