... in transportation,railway,bridge ≤ MPA44Working stroke(MM)250Bending angleπ/2≤α<πradius of curvature4DPipe's OD and thickness 21.3×2.75 ... SWG series hand-control lipuid formation benders are suitable for bending low-voltage liquid-conveying welded tubes, electric steel tubes and ... tank cushion8,Lower mold board 9,Upper mold board 10,Bending mold11,Supporting wheel 12,Handle6,Notices(1)Outer diameter and ...