To DIN 3352 part 4 and DIN 3230 part 4 For fusion welded installation in PE-water pipes to BS 3284 (DIN 8074, DS 2119)
To DIN 3352 part 4 With »PRK-System« for PE-pipes
To DIN 3352 part 4 With tensile resistant screw couplings for PE-pipes
To DIN 3352 part 4 With tensile resistant socket joints for PE-pipes