Multiple Industries produces a high quality range of uPVC Borewell Casings and Screens manufactured in accordance to German Standard DIN 4925.
The standard DIN 8061 applies as well for materials and workmanship of pipes used in the manufacture of casing and screen.
The common sizes are 4” (113mm), 4 ½” (125mm), 5” (140mm) and 6” (165mm).
The Casing and Screens are made from unplasticized polyvinyl chloride compound and are colored blue. They are supplied with the male pipe thread at the spigot end and a female pipe thread at the socket end.
Screens can be supplied with a plain surface. Slots are arranged horizontally to improve the mechanical strength of the screens and are designed to give open areas ranging from 6% to 12% depending on the size and slot width.