Hycount Plastics & Chemicals manufactures Unplasticized PVC Pipes for Potable Water Supplies. The numerical designation of a pipe related to the mechanical characteristics of that pipe used for reference purposes. For plastic piping system, the Unplasticized PVC Pipes for Potable Water Supplies corresponds to the allowable operating pressure in bar, conveying water at 27 degree centigrade. The working pressure of the pipes ranges from 0.25 MPa to 1.25 MPa. Hycount Plastics & Chemicals is an ISO 9001:2000 certified company that supplies UPVC pipes for better drinking water schemes.