Non-Return Valve (NRV)
- Non-return valve is a single-way valve that allows the fluid to flow only in one direction
- Main importance of non-return valves is their working of allowing flow in the downstream direction and preventing the flow in the upstream direction
- Non-Return Valves are also known as NRVs
- It is usually small, simple
- There are various types of non-return valves but the main function is the same
- It is also known as one-way valve, check valve, clack valve, reflux valve, or retention valve
- It is available in different sizes