Home / Valves / ANA Nylon Disc Brass Spring Check Valve ANA Nylon Disc Brass Spring Check Valve Spring Check Valve also known as Non-Return Valve. Material: Disc & Shaft – Nylon, Spring – Stainless SteelMinimum Pressure: 0.3 bar Size Choose an option15mm (1/2")20mm (3/4")25mm (1")40mm (1 1/2")50mm (2")80mm (3")100mm (4")15mm (1/2")20mm (3/4")25mm (1")40mm (1 1/2")50mm (2")80mm (3")100mm (4")Clear Contact via WhatsApp Related products 3/4″ G Type Kinetic Air Release Valve CITY Forging Brass Float Valve MOH C/W Copper Ball Stainless Steel Float ANA 1/2″ Chrome Handle Mini Valve MF Volumetric Cold Potable Water Meter CITY Forging Brass Gate Valve PN16