Thermal Safety Valves
When industrial vessels and pipelines are manufactured they are designed at a set pressure and undergo strict approval processes. It is therefore vital that any excess pressure build up needs to be removed from the system quickly and safely.
One of the main causes of pressure increase is thermal expansion from hot temperatures. As the vessels are usually in outdoor ambient conditions, there is a high possibility of this happening especially during the warmer months.
The thermal pressure relief valves are designed to release any excess pressure in the system and close when it is below the set pressure.
Please note that these relief valves are only designed to handle normal thermal stresses. Further consideration must be made to account for other pressure increase incidents including surges and fires.
Compact Safety Valve SI C 13
The universal thermal compact safety valve is used for pressure relief in accordance to PED, DIN/EN and ASME. It has the following characteristics 3 body seat sizes for appropriate size selection Set pressure between 0,3 bar to 400 bar 5 psi to 5800 psi Bellows design available for body seat sizes 12.2 mm and 17 mm The compact thermal safety valve has multiple connection options available – with EN and ASME flanges as wel..
High-Pressure Compact Safety Valve Si 0329
Si 0329 is a compact safety valve made of stainless steel 1.4571 for high pressures. This type of safety valve has forged steel body with variable – flanged or threaded versions. The high pressure safety valve is with wear resistant with hard-faced seat (Stellite). It's perfect to use with vapours, gases and liquids. The high pressure compact safety valve can be installed in lot of applications in the chemical industry and petrochemical i..
Low-Pressure Safety Valve for Liquids Si 2501
Low-Pressure Safety Valve for Liquids Si 2501 Si 2501 can be used with low pressure steam and liquids up to maximum 16 bar. Design according to: AD2000-Merkblatt A2, in the range of the input inside diameters from DN 15 up to DN 150 ASME Code Section VIII v in the range of the input inside diameters NPS ½“, NPS ¾“and NPS 1“ The low pressure safety valve for liquids has a Max. set pressure: 16 bar and&nbs..
What are the key functions of thermal safety valves in industrial applications?
Thermal safety valves are crucial for maintaining the integrity and safety of industrial vessels and pipelines. Their primary function is to release excess pressure caused by thermal expansion, particularly in high-temperature environments. These valves automatically open when the pressure exceeds a predetermined limit and close again once the pressure falls back below this threshold. This ensures that the system operates safely within its designed pressure limits, preventing potential failures or accidents.
How do I select the appropriate thermal safety valve for my application?
Selecting the right thermal safety valve depends on several factors, including the operating pressure, the medium being handled, and compliance with relevant standards. For instance, you might consider the Compact Safety Valve SI C 13 for general applications, which adheres to PED, DIN/EN, and ASME standards. Alternatively, for high-pressure applications, the High-Pressure Compact Safety Valve Si 0329 made of stainless steel 1.4571 may be more suitable. It is essential to evaluate the specific conditions and requirements of your system to ensure optimal performance and safety.
What maintenance practices are recommended for thermal safety valves?
Regular maintenance is vital to ensure the reliability of thermal safety valves. It is recommended to conduct periodic inspections to check for any signs of wear or corrosion, particularly in harsh environments. Additionally, testing the valve's functionality by simulating the pressure conditions can help ensure it operates as intended. For liquid applications, the Low-Pressure Safety Valve for Liquids Si 2501 is an excellent option that should also be inspected regularly to confirm its sealing and performance. Keeping a maintenance log will help track any issues and ensure timely servicing.