Flange adaptor RK

INDEX NO. 311

APPLICATION

Waterworks systems, wastewater and other liquids chemically neutral. Intended for connecting plain
ends of ductile iron,steel and AC pipes with flange fittings. 11-22 variants also available for PE/PVC. Do
not use at the end of a pipeline.

DESIGN FEATURES

  • diameter range:
    – DN80-DN300 – for ductile iron, steel and AC pipes
    – DN80-DN200 – for PE/PVC pipes
  • body, bonnet – ductile iron EN GJS-500-7
  • EPDM seal potable tap water or NBR seal for wastewater
  • product’s height and body shape enable correct installation, suitable pipe arrangement and troublefree operation in difficult conditions
  • standard connecting bolts – galvanised, stainless steel bolts also available
  • pipe angular deflection ± 3°
  • variants 11-22: special, vulcanised brass clamping ring in a seal preventing the pipe from sliding out
  • anticorrosion coating – epoxy RAL5005, min. 250 μm

TECHNICAL DATA / STANDARDS

  • material acc. PN-EN 1563
  • seal acc. PN-EN 681-1
  • flange connection acc. PN-EN 1092-2
    – DN50-DN150: PN10/PN16
    – DN200-DN300: PN10 or PN16
  • RR PE/PVC var. 11-22: nominal pressure PN10
  • temperature range:
    – EPDM: -10°C / +70°C
    – NBR: -20°C / +80°C