Duzgunler Plastic produces a high quality range of PVC-U well casings and screens fittings strictly in accordance with the Standard TS 11794 and ISO standarts, class I, II and III. The standard TS 11794 and ISO applies as well for raw materials and workmanship of pipes and fittings used in the manufacture of the casing,screen and fittings. There are three basic ranges - a standard range for shallow, medium well depth and a heavy duty, thick walled range for greater well depths.

The casing and screens are made from 100% virgin unplasticized poly vinyl chloride compound and are coloured grey. They are supplied with a male pipe thread at the spigot end and a female pipe thread at the socket end. No re-worked material is used.

The pipes and fittings are produced under ISO 9001:9002 Quality Management System.