Buteline Polybutene-1 pipe should be installed ensuring that any bending radius is at least 10 times the outside diameter of the pipe. Sharp bends should be made with appropriate fittings.
Pipe Size | Minimum Bending Radius |
Type 18, PN16 (O.D. 16mm) | 160mm |
Type 22, PN16 (O.D. 22mm) | 220mm |
Type 28, PN16 (O.D. 28mm) | 280mm |