All GEO-Black piping products are marked with the name CB SUpplies as the manufacturer, product trade name, nominal size, design temperature and pressure ratings, relevant ASTM standard numbers, (cNSF) CSA B137.1 and C448, NSF-geothermal, material designations, material cell classification, manufacturing date, production code and decremented footage numbering.
CB Supplies manufactures its GEO-Black PE100 geothermal piping products from PE 4710 High-Density Polyethylene (HDPE) resin meeting the cell classification 445574C per ASTM-D3350. The material also meets or exceeds the more stringent 5000 HR ESCR test (required for this application) and is the first NSF-geothermal listed product of its kind in Canada. GEO-Black contains carbon black as a UV inhibitor and can be stored outdoors.
GEO-Black geothermal pipe is intended and recommended for use as the buried heat exchanger and transfer piping in open or closed loop ground source heat pump applications.
Design temperature rating for CB Supplies GEO-Black pipe is 73.5 F. However, intermittent exposure to temperatures up to 120 F is acceptable. GEO-Black is connected by heat fusion, or by butt fusion, with the appropriate fittings and equipment.
All CB Supplies GEO-Black IPS-OD, SDR-11 and SDR-13.5 dimension piping products meet the respective requirements of ASTM D3035, ASTM D2447, CSA B137.1, cNSF, CSA C448 and NSF-geothermal.