Viking Johnson UltraGrip Reducing coupling for ductile iron, steel, PVC, asbestos cement, fiberglass, PE pipes, d 315-356 mm [Code number: UG356/1]

Application purpose:

• For connecting pipes made of cast iron, steel, PVC, PE (without accessories), as well as some other materials in various combinations
• For neutral liquids at permissible operating temperature + 30 °С

Characteristics:

• Working pressure up to 16 bar (water) and up to 5 bar (gas)
• Complies with GOST 12815-80
• One type of couplings for pipes made of different materials
• The design allows for easy and quick installation
• The allowable pressure in the connection is equal to or exceeds the design pressure of the pipes
• The gap between the ends of the pipes is necessary to: compensate for thermal expansion, prevent vibration transmission, compensate for soil settlement and facilitate assembly / disassembly

Coatings:

• Cast/Metal Components - Rilsan Nylon 11 (Black)
• Bolts - Gleitmo Coated (Dry Film Lubricant)
• Nuts - Geomet Coated

Materials:

• End Rings, Sleeve: S.G. Iron to BS EN 1563 Symbol EN-GJS-450-10
• Bolts: Stainless steel to BS EN 3506-1 Grade A2 Property Class 80 or 70
• Nuts: Stainless Steel to BS EN 3506-2 Grade A4 Property Class 80
• Washers: Stainless steel – BS1449:PT2 Grade 304 S15
• Sealing collar: EPDM Compound Grade E to BS EN 681-1 WA KTW & DVGW approved