When the goal is to allow the flow of fluid in one direction only, the best option is to go for a Check Valve (also known as non-return valve or one-way valve). Check valves are practical since they work automatically and do not need to be operated, even though the majority of available types have a small spring to close it and reduce or stop the fluid.
This valve type is available in different material, depending on the application. Some of the most common in the market are:
Carbon
Low Alloy
Stainless Steel
Operating data
- Pressure range up to 104 bar (1480 PSI)
- Temperature range up to +593 C/1100 F
- Pressure-temperature ratings as per ASME B 16.34 Special class
