Spiral packing ring has outer, compression resistant, radially and axially elastic support, and spirals with inserted filling matter, encompassing packing ring, with radially free, large gap between spirals and wall of stuffing box

摘要

The spiral packing ring has an outer compression resistant, radially and axially elastic support, and spirals (1) with inserted filling matter (3), encompassing the packing ring (2). The spiral ring packing, fitted on an armature spindle, has a radially free, large gap between it and the wall of the stuffing box in the cavity of which the spiral ring packing is fitted.