The Ultimate Guide to Stuffing Box

Close-up image of a mechanical stuffing box used in industrial applications for sealing rotating shafts.

A stuffing box provides a seal around a rotating shaft and also around a shaft that moves axially. In some applications, the shaft rotates and moves axially (along its axis) in response to changes in operating conditions. A common example is the piston rod in a reciprocating pump or a hydraulic cylinder. In such cases, the stuffing box is designed to accommodate … Read more