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Viking Johnson MaxiFit Coupling for ductile iron, steel and PVC pipes, d 733-750 mm [Code number: MF733]

Article: MF733

Application purpose:

  • For connection pipes made of cast iron, steel, PVC, as well as some other materials (pipes made of PE are mounted using a sleeve) in various combinations
  • For neutral liquids at permissible operating temperature + 50 °С

Characteristics:

  • Working pressure up to 16 bar (water) and up to 6 bar (gas)
  • One type of pipe coupling made of different materials
  • The design provides easy and quick installation
  • The gap between the ends of the pipes is necessary to: compensate for thermal expansion, prevent transmission of vibration, compensate for sedimentation and facilitate installation/dismantling

Installation:

  • Pipes are inserted into a freely assembled freely assembled coupling, with a gap between the ends of the pipes of about 20 mm (chamfering not required)
  • Pressure ring bolts tighten all the way

Materials:

  • Pressure ring and adapter housing / Center pipe: Rolled steel according to British standard BS EN 10025-2: 2004 Grade S275
  • Bolts: Steel according to BS EN ISO 898-1: 2009. Material category 4.8
  • Nuts: Steel according to British standard BS EN 4190: 2001 Grade 4
  • Washers: Stainless steel in accordance with BS 1449: Part 2: 1983. Grade 304 S15
  • Sealing collar: EPDM
Size: 733-750 mm