CUTTING RING FITTINGS DIN 2353 / ISO8434-1 . SAE J 514 37° AND ADAPTORS . HOSE COUPLINGS . RR-FORM TUBE COLD FORM MACHINE . CUTTING RING WITH TIGHT SEALING FOR PIPE FITTINGS DIN 2353 (ISO 8434-1) . RING FITTINGS FOR GAS PIPES .