Restrained reducing pipe coupling RRS-R-FL-E



Intended for mechanical connection of plain ends of pipes differing in diameters in waterworks, wastewater and other systems for liquids chemically neutral. Equipped with rims protecting againt sliding pipes out of a coupling. Used for iron, steel, plastic, GRP and AC pipes.


  • diameter range 270-1200 mm
  • coupling tolerance is ± 7 mm in relation to the outer pipe diameter
  • pipe angular deflection up to ± 3°
  • corrosion protection:
    – epoxy coating
    – optional: hot-dip galvanized
  • EPDM gasket for potable water or NBR gasket for wastewater
  • threaded galvanized pins,
    optional: hot-dip galvanized, stainless steel, acidresistant steel
  • eyebolt
  • possibility to design and produce a coupling according to individual customer needs: nonstandard height, made of different materials, e.g. stainless steel
  • possibility of connecting various types of pipes even with very large reductions
  • prevents pipes from sliding out of a coupling
  • the design of protection depends on the pipe material and pressure
  • reinforced construction for heavier working conditions and increased and increased product life


  • material acc. PN-EN 10020
  • seal:
    – NBR: PN-EN 681-1
    – EPDM: WRAS, BS 6920-2, ACS
  • nominal pressure:
    – PN10: DN250-1200
    – PN16: DN250-1200
  • temperature range:
    – EPDM: -10°C / +60°C
    – NBR: -20°C / +80°C