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|