Transition coupling 22 mm x 3/4

Tectite copper detachable push-fit fittings made of DR brass, material no. CW626 according to DIN EN 12164, or gunmetal, material no. CC491 according to DIN EN 1982. Tested according to DVGW worksheet W 534, DVGW approval number for drinking water installations: DW-8511BL0274. With factory-fitted EPDM O-ring. Permanently leak-proof push-fit connection, suitable for concealed installation, detachable and reusable. Dimensions 12 to 54mm. For connecting copper pipes according to DIN EN 1057 and DVGW worksheet GW 392. Temperature resistance -20 to 90 degrees, pressure resistance 16 bar at 30 degrees. Areas of application: drinking water installations according to EN 806 and DIN 1988, utility and rainwater installations, heating installations according to DIN EN 12828, closed cooling circuits, compressed air installations according to DIN ISO 8573-1.