DWC Pipe Jointing Machines are built to fuse HDPE pipe, and the range covered on this page runs dn25 to dn63 in SDR11. Sizes are quoted as dn, the outside diameter of the pipe in millimetres.
This page stands on its own rather than covering a size or a variant of another family, so the specification below is complete for the DWC Pipe Jointing Machine.
Product range
The HDPE Jointing Machine family covers manual DWC Pipe Jointing Machines and automatic DWC Pipe Jointing Machines.
This page covers the DWC Pipe Jointing Machine specifically. The dn ladder, the wall series and the fusion geometry are the family's; what separates one variant from the next is the description it is ordered under and the sizes stocked against it.
Machines are specified by the size range they weld and by whether the cycle is run manually or automatically. On the DWC Pipe Jointing Machine it is the welding range that has to match the pipe on site.
Size range and wall series
Sizes for the DWC Pipe Jointing Machine are grouped into bands by the work they do.
| Size band | Wall series | Typical use |
|---|---|---|
| dn25 - dn63 | SDR11 | service and house connections |
Wall series held are SDR11. A unit moulded for one series will not close correctly on pipe of the other, which is the single most common cause of a rejected joint on the DWC Pipe Jointing Machine.
Material and marking
DWC Pipe Jointing Machines are moulded from HDPE compound with the lot certificate on file. Each unit carries the dn size, the SDR and the material grade on the body; black compound with a co-extruded stripe is the standard supply.
Do not fuse a DWC Pipe Jointing Machine whose marking cannot be read. If the marking is missing, the unit cannot be matched to a wall series and the joint cannot be qualified.
Applications
DWC Pipe Jointing Machines are used for potable water distribution, gas distribution, industrial process lines, mining dewatering and irrigation.
For the DWC Pipe Jointing Machine the range that matters in every one of those sectors is dn25 to dn63, and the wall series follows from the design pressure of the line rather than from the sector itself.
Ordering information
Quote the type, the dn size, the SDR of the mating pipe and the destination port. For the DWC Pipe Jointing Machine the size band to state is dn25 to dn63.
Related pages
Catalogue pages worth reading alongside the DWC Pipe Jointing Machine:
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