CJ/T 155-2001 Preformed directly buried insulating fittings with polyurethane [PUR] foamed-plastics and high density polyethylene [PE] casing pipes (English Version)
This standard specifies the manufacturing requirements and test methods for prefabricated insulated pipe fittings composed of steel pipe fittings, polyurethane rigid foam insulation layer and high-density polyethylene outer protective pipe. The scope of application of its product work is completely equivalent to CJ/T 114 -Relevant regulations on prefabricated directly buried insulated pipes in 2000. Insulated pipe fittings defined in this standard include prefabricated insulated elbows, tees, reducers, fixed joints and insulated joints.
CJ/T 155-2001 history
2001CJ/T 155-2001 Preformed directly buried insulating fittings with polyurethane [PUR] foamed-plastics and high density polyethylene [PE] casing pipes