Share Butterfly valves Knife gate valves Gate valves & fire products Check valves Air release, penstocks & plug valves Penstocks & servere service valves Actuation & automation Check valves Dual flap check valve Stainless Steel Variant: N/A - DN50-600, PN16, 316 Stainless Steel body and trim and viton seat. Face to face in API 594 or EN 558-1 available. Dual flap check valve Cast Iron Variant: N/A - DN40-800, PN16, Cast Iron body, 316 Stainless Steel trim, EPDM seat and WRAS approved. Wouter Witzel ECV dual flap check valve Variant: ECV - DN50-600, PN16, seat: EPDM/NBR/FPM and disc: Aluminium/Bronze. Face to face EN 558-1/2 Series 16. Various body materials available. Orbinox RM tilt check valve Variant: RM - DN50-300, PN40, 316 Stainless Steel body and disc, metal seated and Face to face EN 558-1/2 Series 16. Optional extra include DN350-600, 25 bar and DN700-900, 10 bar. Single flap check valve Variant: - DN50-600, PN16, Cast Iron body and CF8M disc and stem and EPDM seat. Wafer to suit AS 2129 T/E and AS 4087 T/D VCW fast check non slam Variant: - DN50-1200, PN10-40, Ductile Iron Body, resilient seat, polyurethane disc and working pressures. AVK series 41/82 swing check valve Variant: 41/82 - DN80-300, PN16, AS 4087 B5 drilling, AS 4794 approved and resilient seat. Optional extras include lever and weight, limit switch, AS 2129 T/E and safety cage for lever & weight. AVK series 41/39 swing check valve Variant: 41/39 - DN350-600, PN16, AS 4087 B5 drilling and metal seat. Optional extras include lever and weight (41/36), limit switch and AS 2129 T/E. AVK series 53/50 ball check valve Variant: 53/50 - DN50-300, PN10-16, AS 4087 B5 drilling, AS 4794 face to face, NBR ball and Ductile Iron body. Optional extras include AS 2129 T/E drilling, alternate ball weights and sizes DN350 to DN600. AVK series 874 tilting disc check valve Variant: 874 - DN150-1600, PN10-16, AS 4087 B5 drilling, resilient seat, Ductile Iron body and replaceable seat. Y-strainer Variant: N/A - DN50-300, PN10-16, AS 4087 B5 drilling, SS screen, Ductile Iron body, quick removal lid. Gauge ports available for measuring differential pressure. Steel swing check valve Variant: N/A - DN15-750, Carbon or Stainless Steel construction, stellite seats, class 150-1500# and flanged connection. Socket weld and threaded connections available.