MwStop®

THE INTELLIGENT BACK FLOW PREVENTION DEVICE UP TO DN1800

weitere Infos unter: www.mw-stop.at

MwStop® CHECK VALVE

MwStop® check valve can be easy installed within a few minutes in practically all types of pipes. Immediat protection against flood, foreign substances and annoying smells.

The wide range of MwStop® check valves ensures the availability of a suitable model for any kind of application as back-flow protection in sewerage  pipes, rain water pipes or the emerging of odors out of miscellaneous waste water systems or stainless is recommended.

SCOPE OF APPLICATION

  • main sewer
  • sewers
  • rainwater pipes
  • clarifier basin

SIZES UP TO DN1800

MwStop® grant efficient protection against water back-flow, flooding and annoying odors.

MwStop® APPLICATIONS

There are numerous causes for back-flow. Heavy rainfall, pipe blockage, operational breakdown of the pumping station, water back-flow from water bodies or other overload of the sewage system might exceed the capacity of the sewage system.

MwStop® check valve protects against water back-flow, intrution of water and foreign substances into buildings as well as into sewage and rainwater pipes. Moreover, MwStop® check valve is an effcient    protection against inconvenient smells.

BUILDING PROTECTION

  • building protection against flooding
  • water back-flow protection
  • water back-flow protection against underground water

 

FLOOD PROTECTION

  • public sewer
  • water back-flow protection
  • adjusting of waste water
  • triggering of flush cleaning

ODOR SHUTTER

MwStop® check valve is the perfect solution against molestation of intensive smelling substances from the sewer, due to long periods of drought.

During such times siphons in buildings and facilities that are not used in continuation will dry out and unpleasant odors arise.

 

HOTEL INDUSTRY, COTTAGES

  • when the siphon dries out after drought periods
  • for irregularly used real estate objects

 

MwStop® FUNCTIONALITY

POSITION 1 – SHUT DOWN PHASE – the elastic membrane of the MwStop® check valve seals the pipe off tightly until the backlog of the outgoing fl ow reaches the trigger pressure.
POSITION 2 – FLUSHING PHASE – lifts the elastic membrane up and the fl ush of the backlog water cleans the pipe and removes possible deposits.
POSITION 3 – BACKLOG PHASE – water who pushes the membrane outwards against the wall of the pipe sealing it off effectively against the intrusion of the incoming water. The back-log height varies according to the MwStop® check valve model (maximum 8.000 mm).

 

 

MwStop® – FEATURES

  • backflow prevention
  • odor control
  • flushing

 

MwStop® – ADVANTAGES

  • extremely low pressure drop
  • without moving parts
  • applicable for all pipe materials and sizes
  • simplest installation
  • long lifetime
  • maintenance-free

 

MwStop® valves can be installed in various ways in any position from horizontal to vertical , full functionality is given.

 

MwStop® BACKWATER HEIGHTS MAXIMUM BACK-FLOW PROTECTION

The MwStop® standard models provide backflow protection up to a height of 5.000 mm water column.

The MwStop® soft models provide a backflow protection up to a height of 3.000 mm water column.

Special models up to a height of 8.000mm water column can be produced on demand.

MwStop® VERSIONS

MwStop® SIZES FOR ALL COMMON PIPE INSIDE DIAMETER

MwStop® check valves are available up to 1800. Therefore practically for all pipe dimensions and pipe materials. Special sizes are available on request.

MwStop® MATERIALS

CASING: The standard casing of the MwStop® consists of stainless steel 1.4404. For sizes up to DN200 and mounting as part of a pipe, PVC/PE can be used as an alternatively offered.

MEMBRANE: The MwStop® membrane is manufactured up to DN300 in NBR. Larger diameters are made from EPDM.

MwStop® STANDARD FOR GRADIENTS ≥ 2%

To ensure the full functionality of the  MwStop®  a minimum gradient of 2% is required in the standard version. Under this precondition the EPDM membrane of the

MwStop® opens up at a certain water  pressure (water fl ow) and closes if this pressure falls below the normal level.

The MwStop® remains closed until the pressure of the backlog water reaches the trigger point.

At the trigger point it opens up all of a sudden creating the controlled fl ushing process.

MwStop® SOFT FOR LOW GRADIENT

For installation in pipes with a gradient of less then 2% (minimum 1% is required) the membrane of the MwStop® consists of a more flexible  material.

This ensures that even in these situations the flushing process removes the waste water inclusive eventual deposits.

Download Installation Instructions & Product Warranty

Download brochure

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