Slotted underdrain pipes
ULPI® rigid U-PVC compact underdrain pipe
These pipes are supplied with precision-machined slots, which provide greater intake capacity and continuous, clog-resistant drainage of fluids.
Applications include, but are not limited to, subsurface drainage around residential and commercial buildings and infrastructure works, drainage and dewatering applications under roads and highways, leachate collection systems for solid waste landfills.
ULPI® Slotted Underdrain Pipes fulfil requirements of standards DIN-4262 and NF P 16-351 type R2 SD: Round drainage pipe with smooth internal surface (R2) designed for Standard Duty applications (SD).
Slots Design MP: slots are located on the upper 135° of the pipe. The lower part of the MP pipe will carry away drained water. Wall thickness according to NL-EN-1401 SN4.
| Designation R2 SD -MP | O.D. in mm | Discharge Area in cm2 | Water Inlet Area in cm2/m | Slot Type |
| 110 R2 SD | 110 | 83 | ≻50 | MP |
| 125 R2 SD | 125 | 109 | ≻50 | MP |
| 160 R2 SD | 160 | 178 | ≻70 | MP |
| 200 R2 SD | 200 | 280 | ≻80 | MP |
| 250 R2 SD | 250 | 441 | ≻90 | MP |
| 315 R2 SD | 315 | 702 | ≻110 | MP |
Supplied in 6 meters total length (L).
Color: orange-brown (terracotta, approximately RAL 8023).
Socket: integral, spigot chamfered for easy installation.
