The AAP Brass Check Valve E-Type is a professional-grade product from AAP — Australia's specialist in industrial valves, pipe fittings, and flow control solutions. It is suited to preventing reverse flow in pump discharge and process pipelines and related applications across process engineering, maintenance, and industrial plant. Where this product is used Check valves prevent reverse flow in pump discharge and process pipelines. AAP check valves are used in water, chemical, and general fluid service across industrial process and utility systems. Preventing reverse flow in pump discharge and process pipelines Non-return valves for water, chemical, and general fluid service Backflow prevention in industrial process and utility piping systems Key specifications Material Stainless Steel Selecting the right option Select the check valve type — swing, wafer, or piston — based on installation orientation, pressure class, and fluid compatibility. Size, material, and pressure rating are noted in the product title.