Donsen compression fittings and clamp saddles are designed specifically for connecting polyethylene pipes with an outside diameter of 16-110mm(135mm for clamp saddles). They are fully compatible with all PELD, PEHD, PE40, PE80 and PE100 pipes complying with EN12201, ISO4427, ISO14236, ISO13460, DIN 8074. They are normally used to convey drinking water and fluids at pressure up to 16 bar for generic applications. The quality of the material used makes these fittings resistant to etching by numerous chemical substance and to UV rays. Donsen universal fittings can be used to connect systems using PE metric piping with existing pipes made of any material, with external diameters of 15-34mm.

Donsen fittings have been tested and approved by all leading certificate agencies, including DVGW, KIWA, IIP, WRAS, ETA, ITC, TIN, JASWIC, SWENENCERT TSUS and OVF and others.