heat insulation pipe fitting filled with polyurethane foam 1.support OEM 2.certification:ISO9001,ISO14001 HEAT INSULATION PIPE FITTING FILLED WITH POLYURETHANE FOAMWidely used in the urban centralized heat supply, warm room, coal, petroleum, chemical and other industries’ anti-corrosion insulation work.1.Degrees:30°,45°,60°,90°2.Medium temperature: 50°C—140°C 3.Operating pressure: <1.6Mpa 4.Laid ...