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Viking Johnson MaxiDaptor Adaptor, 10 bar, pipe outer diameter 675 – 692 mm, DN 600 mm [Code number: MD675]

Article: MD675

Application purpose:

  • For the installation of pipes made of various materials (steel, malleable and gray cast iron, asbestos cement, fiberglass, PVC and some others) and flanges of valves, meters and other equipment
  • For neutral liquids at permissible operating temperature + 50 °С

Characteristics:

  • Working pressure up to 10 bar (water) and up to 6 bar (gas)
  • One type of flange for pipes of different materials
  • The design provides easy and quick installation
  • The gap between the flange plane and the end of the pipe is necessary to: compensate for thermal expansion, prevent vibration transmission, compensate for soil settlement and facilitate assembly/disassembly

Installation:

  • Pipe is inserted into a loosely assembled flange, while providing a gap between the flange plane and the pipe end of about 20 mm (chamfering is not required)
  • Pressure ring bolts are tightened to the stop

Materials:

  • Pressure ring and adapter housing / Center pipe: Mild Steel to BS EN 10025-2 Grade S275
  • Studs: Steel to BS EN ISO 898-1 Property Class 4.8
  • Nuts: Steel to BS EN 4190 Grade 4
  • Washers: Stainless Steel to BS 1449:Part 2 Grade 304 S15
  • Sealing collar: EPDM Grade “E” to BS EN 681-1 Type WA WRAS Listed Nitrile compound to Grade G BS EN 682, Type G

Coating:

  • Flange Adaptor Body & End Ring: Rilsan Nylon 11 to WIS 4-52-01 Part 1
  • Bolts & Nuts: Sheraplex to WIS 4-52-03

Tightening torque for bolts: 55-65 Nm.

Spanner size A/F 19 mm.

OD Range Flange Details Studs No.-Dia x Length Setting Gap Weight
Min Max Nom. Drilling Flange Diameter OD S T Type A L   Min Max  
mm mm DN,mm   mm mm mm   mm mm   mm mm kg
675.0 692.0 600 PN10 802.0 600.0/653.0 23 2 205 303 10-M12 x 290 130 153 72.3/63.0