Discover our "NRV - NON-RETURN VALVE" collection at www.aqua-agro.com, featuring high-performance Plastic - PP / PVC / CPVC / UPVC and metal NRVs (Non-Return Valves). Available in molded, single union, and double union configurations, these NRVs are designed with threaded, flanged, or plain socket end connections. They incorporate spring check, flap check, or ball check mechanisms, ensuring reliable one-way flow control. Ideal for irrigation systems in farms, gardens, landscapes, as well as domestic and industrial applications, our NRVs offer superior durability, preventing backflow and maintaining optimal system performance.