China (Mainland)
We produce a high quality range of PVC-U well casings and screens strictly in accordance with the Standard TS 11794 and ISO standarts, class I, II and III. The standards TS, EN and ISO applies as well for raw materials and workmanship of pipes used in the manufacture of the casing and screen.
There are three basic ranges - a Standard range for shallovv, medium well depth and a heavy duty, thick vvalled 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 pipe is produced under ISO 9001:2008 Ouality Management System.
Screens can be supplied with either a plain or filtered surface. Slots are arranged vertically to improve the mechanical strenght of the screens and are designed to give open areas ranging from 6% to 12% depending on the size and slot vvidth.
Materials: PVC - U
1 pneths: Normally supplied in 2m.- 3m and 4m. Lengths. Other lengths available on request.
Slot Sizes: Available slot vvidth 2.0 mm.
Thread Stvle: Mechanical jointing by threaded connection to TS 11794 with Trapezoidal threads.
Joints: Each length is supplied vvith a Male/Female socketed joint as Standard.
Marking: Standard marking is applied to ali PVC well casing and screen.