High Density Polyethylene Repair Couplers are designed for lockage or brakeage in existing or running pipe line. These Repair Couplers are available in a size ranging from 63mm to 630mm. These Repair Couplers combine features like lightweight design, long working life and resistance to temperature and chemicals. High Density Polyethylene Repair Couplers are offered with ultraviolet [UV] protection and provide leak free connection.