Piston-type non-return valve, metal shut-off, forged steel figure 35
Technical description
Lift-disc check valves to prevent backflow in a pipework system. Guided disc, with rapid closure against the horizontal seat of the body. Metal seat.
Range specifications:
Various design combinations depending on the construction pattern (straight-through, angle, Y-type), disc designs (marginal, regulating, non-return, balanced, V-port, stellited, soft-seated), end connections (flanged, BW, SW, threaded), materials of construction (cast or forged) and fittings, nominal diameter range (DN10–DN50 / 3/8–2″), design pressure range (PN16–420 / ANSI Class 150–2500), spring-loaded disc available as an option.
Technical identification
Piston check valves, non-return valves, non-return devices