Profile: Polysil Pipes provides PVC and HDPE pipes. We are an ISO 9001 certified company. Casing & screen pipes are manufactured in the range of 40 mm to 300 mm diameters. The CM pipes are suitable for medium depth wells (above 80 mtr, and up to 250 mtr), whereas CS pipes are suitable for shallow depth wells (up to 80 mtr). These pipes are available in blue color, and are supplied in nominal length of 3 meters. These pipes have male threads at one end, and female threads at the socket end, in accordance with basic profile for metric trapezoidal standards. We manufacture HDPE pipes from 20 mm to 315 mm in all pressure classes in PE 63 , PE 80, and PE 100 grades as per various standards.