... ,219,273,323,407mm in diamater. 2, angle, ball joint and inlet flange is optional 3,Siemens motor 1, 168,219 ... ,273,323,407mm in diamater. 2, angle, ball joint and inlet flange is optional 3, selection of gear ratios A ... , middle bearing, end bearing, splined shaft couplingD) Lifting eyes on each tube section, convinient for transport and installtion.E) small diameter, great ...