... UNI 9561-2, DIN 8076, ISO 14263, BRL-K03Polyethylene (PE) Pipes: UNI 7611, UNI7990, DIN9072, DIN8074, UNI 10910 ... 75 to 110, at the temperature of 20°C. Maximum allowable working pressures related to the ... ring and clip ring are in proper position.C. Insert the pipe end without tightening the ting ... micro irrigation syestem, plastic/ metal valves&fitting, PE pipe&fitting, water and pumps.If you are ...