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Fire protection couplings OGRAX-PM prevent the spread of fire throughout the building through the sewer and water supply networks. Designed to block fire through flammable plastic pipes that penetrate walls and ceiling structures.

Price: on request


  • High fire resistance (EI) – 180 minutes
  • Expansion coefficient – not less than 2000%
  • Insert thickness
  • Reliable and easy to install lock – “petal”
  • High performance
  • Successful application on the Russian market since 2003
  • Fire protection material description

    Fire collar consists of metal housing and intumescent insert. Collar should be firmly mounted to wall or ceiling penetrated by the protected polymeric pipe. Exposed to high temperatures the polymeric pipe burns out, fire protection material swells, thus stopping fire from spreading throughout the building.

    Emits no harmful substances in service, does not form toxic compounds on contact with other substances and under influence of other factors.

    OGRAX-PM® was certified for compliance with Technical Regulations of Fire Safety Requirements (Federal Law №123 dated 22 July 2008), test method as per GOST R 53306-2009.


    Collar housing colour
    Any colour
    Fire-resistance class
    EI 180 (at least 3 hours)


    Collar is firmly mounted to the wall or ceiling, that is penetrated by the protected polymeric pipe, using metal dowels or anchor bolts. Installation is possible if there is a recess wall or ceiling.

    Size range

    Outer pipe diameter 130 mm, Height 55 mm, Pipe diameter 110 mm
    Outer pipe diameter 66 mm, Height 43 mm, Pipe diameter 50 mm

    Storage and operation conditions

    cardboard boxes
    Guaranteed shelf life
    one year after manufacture date
    Service life
    25 years under conditions of 100% humidity at temperatures from -50°C to +60°C.