双吸泵联轴器 double suction pump coupling ; balanced suction pump coupling

双涡壳泵联轴器 double-casing volute pump coupling ; double volute pump coupling

双柱塞泵联轴器 double plunger pump coupling

双螺杆泵联轴器 two screw pump coupling

双缸往复泵联轴器 two cylinder reciprocating pump coupling

双吸螺杆泵联轴器 double entry screw pump coupling

双滑片泵联轴器 twin vane pump coupling

双缸曲柄泵联轴器 duplex power pump coupling

双壳泵联轴器 barrel insert pump coupling