Flanged ball check valve

INDEX NO. 161

APPLICATION

Waterworks systems, wastewater, rainfall water systems
and other liquids chemically neutral.

DESIGN FEATURES

  • diameter range DN50-DN200
  • body, bonnet – ductile iron EN GJS-500-7
  • seal between the bonnet and the body made of NBR
  • ball made of NBR
  • bolts connecting the bonnet with the body made of stainless steel
  • straight passage
  • can be installed vertically and horizontally
  • anticorrosion coating – epoxy RAL5005, min. 250 μm

TECHNICAL DATA / STANDARDS

  • material acc. PN-EN 1563
  • face-to-face length acc. PN-EN 558
  • flange connection acc. PN-EN 1092-2:
    – DN50-DN150: PN10/PN16
    – DN200: PN10 or PN16
  • marking according to PN-EN 19
  • experiments and tests acc. PN-EN 1074-1,
    PN-EN 1074-3
  • temperature range: -10°C to +70°C