... pressure: UNI 9561-2, DIN 8076, ISO 14263, BRL-K03Polyethylene (PE) Pipes: UNI 7611, UNI7990, DIN9072, DIN8074, UNI 10910, EN12201Threads: ISO ... O-ring and clip ring are in proper position.C. Insert the pipe end without tightening the ting nut. Push the ... , drip irrigation system, micro irrigation syestem, plastic/ metal valves&fitting, PE pipe&fitting, water and pumps.If you are interested in ...