Non-Return Valve 50mm With Drain The Non-Return Valve 50mm With Drain is a replacement valve assembly designed for compatible dairy parlour, wash and liquid handling systems. It supports one-way flow through 50mm pipework, helping prevent liquid from travelling back through the system while allowing controlled movement in the intended direction. Non-return valves are important for maintaining wash performance, drainage control and reliable liquid transfer. If a valve becomes worn, blocked, leaking or slow to seal, it can allow backflow, reduce system efficiency and create avoidable servicing issues. Replacing it with the Non-Return Valve 50mm With Drain helps restore dependable valve action, supporting smoother flow control and more consistent operation. This valve includes a drain, making it useful where emptying, flushing or maintenance access is required. It is suitable for farms and service teams carrying out repairs, planned servicing or upgrades on compatible wash and liquid handling installations. The 50mm specification helps identify the correct replacement where pipe size is important, supporting straightforward fitting and reliable system performance. The Non-Return Valve
