Non return valves for drinking water

Non return valves for drinking water: Stop Silent check valve

The Stop Silent check valve type consists of a stainless steel cone-shape housing included with a rubber diaphragm. The medium pushes the diaphragm aside while flowing through the valve , thereby creating an opening.  Whenever the medium flows back or stops, the diaphragm will return to its original position, shutting of the line. By doing so, this component acts as a non-return valve securing critical equipment

This design offers the following advantages:

  1. Minimum wearing due to the absence of moving parts
  2. Soundless action due to the absence of a disc
  3. Suitable for both horizontal and vertical pipelines
  4. This check valves stops sewage stench / smells as well
  5. Available in multiple configurations
Membraam terugslagkleppen

Specifications

  • Size range: DN15 to DN200
  • Pressure range: 0 barg to 16 barg (PN10-16 & 150lbs.)
  • Temperature range: -20⁰C to 220⁰C
  • Design: 1 piece housing
  • Tightness: uni-directional tightness
  • Housing material: stainless steel
  • Sealing material: EPDM, Silicone. NBR, Viton
  • Also available as spare part cone assembly –
  • Drinkwater usage: yes

Available configurations of the Stop Silent check valve:

Terugslagklep type AS NU

Non return valve type AS NU - DN25 to DN100
Separate cone with diaphragm ready to be mounted in fittings

Non return valve type AS 41 - DN25 to DN200
Separate cone with diaphragm ready to be mounted in fittings with threaded ends

Terugslagklep type AS 41
Terugslagklep type AS 54

Non return valve type AS 54 - DN25 to DN100
Cone with diaphragm included with wafer-type flange suitable for mounting between flanges

Non return valve type MKV - DN25 to DN600
Combines several cones inside one housing

Terugslagklep type MKV

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