UAE Valve is the leading Cryogenic valve supplier in Dubai, It is a specially designed valve utilized to control the flow of cryogenic fluids— liquids and gases at extremely low temperatures typically below -150°C (-238°F). These include substances such as liquid oxygen (LOX), liquid nitrogen (LIN), liquefied natural gas (LNG) and others that are in a state of liquefaction at very low temperatures. In such systems, cryogenic valves play an important role when the system requires the control of temperature to handle and transport cryogenic liquids properly.
What are the types of cryogenic valve
Cryogenic Ball Valve
Cryogenic Butterfly Valve
Cryogenic Gate Valve
Cryogenic Globe Valve
Cryogenic Long Stem Globe Valve
Cryogenic Trunnion Ball Valve
The design of cryogenic valves includes the selection of materials and features to make them resistant to extreme cold without becoming brittle or losing sealing properties. Standard valves are not effective for cryogenic applications because they are not designed to bear the stresses and deformation from such low temperatures. Typically, the special sealing material used in cryogenic valves is stainless steel and other alloys combined with robust design features for retaining integrity at such low temperatures.
Cryogenic Relief Valve:
A cryogenic relief valve is a specific kind of pressure relief valve designed for high-pressure performance in cryogenic systems. The principle purpose of a cryogenic relief valve is to safeguard pressure vessels, pipelines, and tanks against overpressure situations due to temperature fluctuations, choking, or any other rapid conditions occurring in a cryogenic system. Cryogenic fluids are kept strongly under pressure so that they are in the liquid phase. If the temperature goes high or any other condition that will raise the pressure to a point above the safety limit, then the relief valve opens up to allow excess pressure to leak out and prevent the potential for catastrophic failure.
Cryogenic relief valves are designed to overcome peculiar challenges of cryogenic systems. Such requirements include the necessity that materials must be flexible enough and retain their sealing capabilities at extremely low temperatures. Cryogenic relief valves are typically designed to feature insulation, special seals, and robust valve bodies, which would ensure effective performance in high-pressure, low-temperature conditions.
Cryogenic vs Non-Cryogenic Valves:
The most basic differences between cryogenic and non-cryogenic valves pertain to the materials used, the design features, and their resistance to function in extreme temperatures. Let’s look a little deeper into these distinctions:
1. Material Selection:
– Cryogenic Valves: Cryogenic valves are made of materials that retain their strength, flexibility, and sealing ability at low temperatures. Some of these materials include stainless steel, bronze, and special alloys that avoid brittleness and other low-temperature problems.
– Non-Cryogenic Valves: The non-cryogenic valves, however, use materials that do not need to survive extremely low temperatures. They typically use carbon steel, cast iron, or brass. These are the ones that easily become brittle or deform in low temperatures.
2. Design Considerations:
– Cryogenic Valves: Cryogenic valves include additional care to the seal system and insulation. That means leakage or freezing could be a compromising effect on the operation of the valve. Long-stemmed and longbonnetted valves often typify this type to completely isolate the valve from a low temperature.
– Non-Cryogenic Valves: The above requirements do not apply to non-cryogenic valves as these are operating at much higher temperatures; thus, normal valve designs can be utilized for them.
3. Pressure and Temperature Handling:
– Cryogenic Valves: These valves are specifically designed to handle the low temperatures of cryogenic fluids and the high pressures in cryogenic storage systems. Materials and sealing systems are chosen so that the valve operates effectively even at temperatures much lower than freezing.
– Non-Cryogenic Valves: These are used in systems where such extreme temperature and pressure conditions are not involved. These valves are more versatile in terms of the range of temperatures in which they can operate but are incapable of performing in cryogenic environments.
4. Functionality:
• Cryogenic valves shall be designed with a vacuum seal to retain a low-temperature so there is no gas or liquid leakage, posing dangerous situations. The valve would perform smoothly if it contained its fluids at nitrogen levels as well, though that froze and made the possibility for hazardous ones occur to freeze and clog, also damage the system.
– Non-Cryogenic Valves: Although not cryogenic, noncryogenic valves are a must for fluid and gas flow. Yet they are not much about sealing and design in extreme cold conditions like cryogenics; hence more apt for use in most of the industries that do not demand the temperature regulation in its working.
In summary, cryogenic valves are specifically designed to address the unique challenges of extreme low temperatures and high pressures associated with cryogenic systems. The materials and design features ensure safe, reliable performance under such severe conditions. Non-cryogenic valves are designed for standard operating conditions where extreme temperatures are not a factor. Such differences must be understood in the selection of valves for systems that contain cryogenic liquids or gases.
UAE Valve is one of those companies that manufacture high-quality cryogenic valves and it is highly recommended Cryogenic valve supplier in Dubai. Whatever it is, cryogenic or non-cryogenic, UAE Valve offers durable, assured valves to match the stringent needs of industries.
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, Lug, Wafer
●Operations: Lever Operated, Hand wheel operated, Electric Actuated and Pneumatic Actuated
Visit us: https://www.uaevalves.com/product-category/cryogenic-valve/