Middleeast valve is the leading Cryogenic valve suppliers in UAE. We supply to cities like Egypt, Riyadh, Turkey, and Dubai.

What is a Cryogenic Valve?

A cryogenic valve is an industrial valve engineered to operate reliably under extremely cold conditions. Its primary function is to regulate the flow of cryogenic fluids and gases while maintaining insulation and preventing heat transfer to the surroundings. The materials and design of these valves are specifically chosen to withstand thermal stresses and avoid brittleness caused by low temperatures.

Key Features of Cryogenic Valves

1. Low Temperature ResistanceCryogenic valves are constructed from materials such as stainless steel and specialized alloys, ensuring durability and performance at sub-zero temperatures.

2. Extended Bonnet DesignThese valves often include an extended bonnet, which acts as a thermal barrier, minimizing heat transfer between the cryogenic fluid and the valve operator. This feature prevents freezing of the actuator or handwheel.

3. Leak PreventionThe valve's sealing components are designed for tight shutoff, preventing leaks that could lead to cryogen loss or safety hazards.

4. Material CompatibilityThe valves are made from materials that resist embrittlement, corrosion, and wear, ensuring long service life in challenging conditions.

5. Easy MaintenanceCryogenic valves are designed for easy disassembly and repair, minimizing downtime during maintenance activities.

6. Testing and CertificationThese valves undergo rigorous cryogenic testing to ensure performance under extreme conditions, including helium leak testing and pressure testing at low temperatures.

Working Principles of Cryogenic Valves

1. Flow RegulationCryogenic valves control the flow of cryogenic fluids using a variety of mechanisms such as ball, globe, or gate valve designs. The internal parts are engineered to operate efficiently despite temperature-induced material contraction.

2. Thermal IsolationThe extended bonnet ensures that the operator or actuator remains unaffected by the cryogenic temperatures. This design helps maintain smooth valve operation without freezing or excessive heat transfer.

3. Pressure ManagementCryogenic valves are equipped to handle pressure differentials resulting from the transition of cryogenic liquids to gas during expansion. The sealing systems ensure the valve performs reliably in these conditions.

4. Low Torque OperationThese valves are designed for easy operation even in extreme environments. Low torque requirements reduce strain on actuators and manual operators.

5. Safety MechanismsCryogenic valves often include features like venting systems to prevent pressure buildup and protect the system from failure.

Applications of Cryogenic Valves

· LNG Industry: Used in processing, storage, and transportation of liquefied natural gas.

· Aerospace: Essential in handling cryogenic rocket fuels such as liquid hydrogen and oxygen.

· Chemical Processing: Manage low-temperature gases in industrial chemical reactions.

Cryogenic valve types:

Ø Cryogenic Ball Valves

Ø Cryogenic Globe Valves

Ø Cryogenic Gate Valves

Ø Cryogenic Relief Valves

Ø Cryogenic Butterfly Valves

Ø Cryogenic Check Valves

Find the top Cryogenic Valve Suppliers in UAE. Our specialized valves are expertly designed to meet the challenges of extreme low-temperature environments, ensuring reliable and safe operation for your cryogenic applications.

Description:

Available materials: SS304, SS316, CF8M, CF8, F51, F55, F53, WCB, WC6, WCC, LCB, LCC

Class: 150 to 800

Nominal Pressure: PN25 to PN100

Size: 1/2” to 24”

Ends- Flanged, Threaded, Socket weld, Butt weld.

Operations: Lever Operated , Hand wheel operated , Electric Actuated and Pneumatic Actuated.

Visit us: https://www.middleeastvalve.com/product-category/cryogenic-valve/