PP-R pipe and fittings, aluminium PP-R composite pipe ,PE-X and PE-RT pipe,aluminium plastic composite pipe , brass fittings Key Technical Parameter:1. Heat Load: 60-250w/m22. Space: 100mm-300mm, thermal insulation material: 15-30mm-long composite polystyreneplank; water temp. average: 35 degree-60 degree; indoor temp. 15 degree-28degree. Heat radiation capacity per square meter:ceramic tile: 60- ...