DIN 86 140– for tubes of copper or copper alloys, DN 6 – 25, up to PN 40 with 25° taper bushings for brazing, form D,E and Q

DIN 86 140 – for steel tubes,DN 6 – 25, up to PN 40 with 25° taper bushings for butt welding, form D,E and T

Technical descriptions PDF