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Viking Johnson AquaFast Coupling for pipes made of PE and PVC, d 140 mm [Code number: AF140/1]

Article: AF140/1

Application purpose:

  • For joining pipes from PE and PVC in various combinations
  • For neutral liquids at permissible operating temperature + 50 °С

Characteristics:

  • Operating pressure up to 16 bar
  • One type of sleeve for PE and PVC pipes
  • No additional support for PE pipes required
  • No torque wrench required - bolts tighten to stop
  • The gap between the ends of the pipes is necessary for: compensating for thermal expansion, preventing the transmission of vibration, compensating for soil precipitation and facilitating installation/disassembly

Installation:

  • Before installation, make sure that the outer diameters of the pipes are within the range of adjustment of the coupling
  • Pipes are inserted into a freely assembled coupling, while providing a gap between the ends of the pipes of 20 mm (chamfering is not required)
  • Bolts of clamping rings are tightened all the way

Materials:

  • Central adapter, pressure ring and housing: Ductile iron in accordance with BS EN 1563:1997
  • Locking ring: Zinc alloy in accordance with BS EN 12844:1999
  • Intermediate ring: Malleable cast iron in accordance with BS EN 1563:1997
  • Bolts: stainless steel BS EN ISO3506-1: 2009 Grade A2ORA4
  • Nuts: stainless steel BS EN ISO3506-2: 2009 Grade A2ORA4
  • Sealing collar: EPDM

Coatings:

  • Center adapter, pressure ring, and intermediate ring: Rilsan Nylon 11
  • Locking ring: cataphoretic coating
  • Bolts, nuts: Sheraplex conforming to WIS 4-52-03
Outer diameter of the pipe Number of bolts, diam. x length A max. B dia. Landing clearance Max clearance Weight
mm mm mm mm mm mm kg
140 4-M12 x 250 257 222 20 30 6,2