Casings and Screens

Dimensions & Range of UPVC Borewell Casings and Screens to DIN 4925.

Thread style: Mechanical jointing by threaded connection to DIN 4925. Whiteworth threads on small sizes and trapezoidal threads on larger sizes from 100/4.

Joints: Each length is supplied with a Male/Female socketed joint as standard.
Flush joints can be supplied on thick walled pipe.

Marking: Standard marking is applied to all casings and screen and includes OD and WT.

Slot sizes: Available in a range of slot widths 0.2, 0.3, 0.5, 0.75, 1.0, 1.5 and 2.0mm

Lengths: Normally supplied in 3m. Other lengths available on request.

Material: uPVC to DIN 4925 and DIN 8061

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.

The casings and screens are made from virgin unplasticized polyvinyl chloride compound and are colored blue. They are supplied with a male pipe thread at the Spigot end and female pipe thread at the socket end.

• Multiple Industries produces a high quality range of uPVC well casings and screens strictly in accordance with the Metric Standard DIN 4925, Parts I , II & III. The standard DIN 8061 applies as well for materials and workmanship of pipes used in the manufacture of the casing & screen.