Add time：16-04-09 10:23:36    Excerpt：www.othchina.com

　　Compression packing has been around since the beginning of the industrial revolution and is still used extensively in types of equipment in which a stuffing box seal is required to prevent loss of process fluids to the environment. While advanced sealing solutions for rotary applications, such as mechanical seals, emerged over time, compression remains an important industrial tool.

　　Gland Pressure

　　A compression packing seal is established by installing the packing ring set into the stuffing box. Then, the gland on the back of the stuffing box is tightened to compress the packing between the shaft and stuffing box wall. Once compressed, the packing expands, exerting a radial force to the sides of the stuffing box and against the shaft.