Product-description
The UNIVERSAL RESTRAINED COUPLING COR-AB provides a secure and reliable connection between pipes of different materials where high tensile strength is required.
Manufactured in ductile iron and equipped with metal restraining inserts, it ensures excellent mechanical performance and long-lasting corrosion resistance.
Independent tightening on both sides and an angular deflection capability of up to 8° allow easy installation and optimal adaptability on ductile iron, steel, PVC, PE and AC pipes.
Product features
- Mechanical locking system with metal inserts to prevent axial pipe movement
- Independent tightening on both sides
- Suitable for: ductile iron, steel, PE, PVC, AC pipes
- Allowed angular deflection: up to 8°
- Maximum working pressure: PN16 (16 bar)
- Working temperature: –10°C to +70°C
Materials
- Body and end rings: EN GJS-450-12
- Tension ring: plastic
- Gasket: EPDM (NBR available on request)
- Grippers: galvanized carbon steel EN10025
- Bolts, nuts and washers: stainless steel A2
- Coating: epoxy powder RAL 5015, minimum 250 μm (DIN 30677)
- Tested according to EN 14525
Product availability
The UNIVERSAL RESTRAINED COUPLING COR-AB is available in sizes:
DN 50 – DN 400 (up to DN 600 on request), suitable for pipe ODs from 46 mm to 433 mm.