*berekening per katrol
Pyp 16 mm spoel 400 meter wanddikte 1.2 mm PN2.5
Pyp 20 mm spoel 250 meter wanddikte 1,3 mm PN2,5
Pyp 20 mm spoel 100 meter SDR11 PN12.5
Pyp 25 mm spoel 100 meter SDR13.6 PN10
Pyp 32 mm spoel 100 meter SDR17 PN10
