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Large Diameter Twin Wall Pipe
Drainstore supplies CorriPipe™, a BBA approved, Twin Wall High Density Polyethylene Pipe manufactured from a blended black polyethlene, by a twin extrusion process.
Two high-density polyethylene pipes are extruded simultaneously, one inside the other, and heat-welded together in one continuous process. The outer wall is corrugated and the inner wall is smooth finished.
It is a combination of the corrugations, and the heat-welding of the two walls, that give CorriPipe its unique strength necessary in a pipe that can be installed up to 10 metres deep, while its smooth inner wall ensures increased flow capacity. CorriPipe ™ has a broad range of applications and is suitable for use in Civil Engineering, Construction, Sports Amenity, Agricultural and other sub-soil applications. Versatile CorriPipe ™ is used for surface and storm water drainage as well as land drainage. It is available perforated, semi-perforated and unperforated in the following sizes:
| Nominal I/D(mm) | 150 | 225 | 300 | 375 | 450 | 600 | | Nominal O/D(mm) | 180 | 268 | 355 | 426 | 510 | 675 |
| CorriPipe™ Fittings & Accessories |
CorriPipe™ is complimented by a broad range of economically priced fittings including Bends, Tees, Reducers and Wyes.
Please call our sales staff on 01773 767611 for a competitive quotation.
| CorriPipe Bends | Range of bends including 30°, 45° and 90° from 150 mm to 300mm available from stock. Fittings: 150TB30
| 225TB30 | 300TB30 | 150TB45
| 225TB45 | 300TB45 | | 150TB90 | 225TB90 | 300TB90 |
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| | CorriPipe Equal Tees | Range of sizes of equal Tee's from 150mm to 300mm available from stock.
Fittings:
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| | CorriPipe UnEqual Tees | Range of sizes of unequal Tee's from 150mm to 300mm available from stock.
Fittings:
225/150TT90
| 300/150TT90 | 300/225TT90 | 375/150TT90 |
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| | CorriPipe Adaptors | To connect twin wall tp single wall sewer are available in the following sizes from 150mm to 300m for 6", 9" and 12" pipes.
Fittings:
TC150/SWS6"
| TC225/SWS9" | TC300/SWS12" |
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| | CorriPipe Equal Wyes | Range of sizes from 150mm to 300mm available from stock.
Fittings:
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| | CorriPipe UnEqual Wyes | Range of sizes from 150mm to 300mm available from stock.
Fittings:
225/150TY45
| 300/150TY90 | 300/225TY45 |
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| | CorriPipe Sewer Tee's |
To T-off Twin wall pipe to 4 inch/6 inch single wall sewer.
Fittings
150/SWS6"TT90
| 225/SWS6"TT90 | 300/SWS6"TT90 | 375/SWS6"TT90 |
|  | | Corripipe Fabricated Fittings: All the above fittings are available to order in larger sizes i.e. 375mm, 450mm and 600mm |
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