Milliken DN50/2"-DN600/24" Series 851 Flex Check Valve
Features:
2” – 24”/DN50 – DN600 flanged ends.
Ductile Iron Body – ASTM A-536 Grade 65-45-12 features a full flow area providing 100% unrestricted flow and low head loss. Flanges available in PN10, PN16 and ANSI B16.1, Class 125.
Ductile Iron domed access Bonnet allows easy removal and inspection of the Flexible Disc assembly.
Only one moving part, featuring a fully NBR (EPDM available to order) encapsulated Steel Disc with Nylon reinforcement in the flex area. The moulded Disc with integral O-Ring ensures bubble-tight shut off and no backflow.
Body Seat constructed on a 45° angle to reduce the travel of the Disc, significantly reducing the potential for Water hammer.
Flow area is equal to or greater than the equivalent pipe size, resulting in low head loss compared to other types of Check Valves.
Installation suitable for horizontal and vertical pipelines with upward flow.
Valve coated with either a liquid thermosetting epoxy suitable for use in Potable Water service or Fusion Bonded Epoxy.
