Casings & Screens
National Plastic produces a range of UPVC Well casing and screens in a range of sizes 1/1/4”-16” (36mm-400mm) to DIN4925 standard. The pipes from which they are made can be either Metric or Imperial dimensions in strict compliance to International Standards and cover shallow or deep well applications. They can be supplied either with flush or socketed type joints and in thread configurations such as BSP, trapezoidal or square type all with varying pitches as required. The casing & screens have a very high tensile strength making them suitable for a wide range of applications and uses including water supply, environmental and land drainage work. In addition to PVC-U material they can also be supplied in HDPE. All the accessories such as lifting heads, end caps, centralisers, casing clamps, sand traps can also be supplied for each size.