... axial type, universal hinge type, curved pipe with pressure balance, exter Metal Soft Pipes Universal type, upright axial type, ... pressure single axial type, spherical-jointed metal soft pipe, flexible-jointed metal soft pipe, cross axial type with long pull-rod, ... axial with pressure balance type, mortise-jointed metal soft pipe, falan-jointed metal soft pipe2)Usage: used in the aerospace, petroleum, ...