Non-return valves - Import export

Application: Sanitary check valve, also known as "non-return valve", is designed for use in process piping installations to prevent reverse flow. AV-3C series is a spring check valve with tri-clamp ends. Sizes are available from 1/2" to 4" (1/2", 3/4", 1”, 1 1/2", 2", 2 1/2", 3", 4") DN15 to DN100 (DN15, DN20, DN25, DN40, DN50, DN65, DN80, DN100) Valve body can be AISI 304 or AISI 316L. Valve seat: EPDM, VMQ (silicone), Viton (FPM) for choose from, all complying with FDA 21CFR177.2600. End connection can be butt-welded, sanitary clamp, threaded or others upon request. Max. working pressure: 145psi (10bar) Opening pressure: 4.5psi/0.3 bar (DN25/1"), 3 psi/0.2 bar (DN32/0.75" to DN40/1.5"), 1.5 psi/0.1 bar (DN50/2" to DN100/4") Working temperature range: 14 ~ 248°F (-10 ~ 120°C) with EPDM seat. Surface treatment: Ra 32μin (0.8μm) as default, others available upon request.