Stepped steel couplings

Stepped steel couplings

from DN300

Stepped steel couplings are used for connections between pipes of different materials and whenever the diametre difference is bigger than the standard tolerance.

  • Wide range
  • Suitable for pipes of any material
  • Wide tolerance
  • Resistant to corrosion
  • Single or separate bolts
  • 30 or 50mm tolerance range on pipe outside diametre
  • Working pressure PN 16 - other pressures on request
  • Steel
  • Cast Iron
  • HDPE
  • PVC
  • Concrete
  • Asbestos concrete
  • Fiberglass
  • Body and compression flange: S235JR Steel
  • Bolts, nuts, washers: zinc coated Steel – alternative: grade A2 AISI 304 SS
  • Anticorrosion coating RILSAN NYLON 11
  • Sealing rings: NBR or EPDM
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