Viking Johnson AquaFast Adaptor for pipes made of PE and PVC, d 355 mm [Code number: AF355]

Application purpose:

• For joining pipes made of PE and PVC to the flanges of valves, counters, tie-ins and other equipment
• For neutral liquids at permissible operating temperature + 50 °С

Characteristics:

• Operating pressure 16 bar
• One type of flange 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 to: compensate for thermal expansion, prevent transmission of vibration, compensate for sedimentation and facilitate installation/dismantling

Installation:

• The pipe is inserted into a freely assembled flange, with a gap between the end of the pipe and the flange plane of about 20 mm (chamfering is not required)
• Pressure ring bolts tighten all the way

Materials:

• Flange Adaptor Body, Centre Sleeve, Clamp Bands & Gripper Ring: Ductile iron to BS EN 1563 Symbol EN-GJS-450-10
• Bolts: Stainless Steel BS EN ISO3506-1 Grade A2-70
• Nuts: Stainless Steel BS EN ISO3506-2 Grade A4-80
• Sealing collar: EPDM Grade ‘E’ to BS EN 681-1:1996 Type WA WRAS listed

Coatings:

• Body, Sleeve, Intermediate Ring & End Ring: Rilsan Nylon 11 to WIS 4-52-01 Part 1
• Nuts and Bolts: Sheraplex coated to WIS 4-52-03