Polyhose India Pvt Ltd manufactures Industrial Refrigeration Line Hose. Polyhose India Pvt Ltd. Is an ISO 9001-2000 certified company offering a wide range of Hydraulic, Thermoplastic, P.T.F.E & Industrial hoses and tubing for various industrial applications. The Industrial Refrigeration Line Hose of model number PH334 is designed to replace capillary copper tubes in industrial refrigeration lines of pressure ranging from 42 psi to 52 psi. The Industrial Refrigeration Line Hose comes with black colour pin pricked Polyurethane cover and works at a temperature range from -45 ° C to + 130 ° C.