MECHANICAL SEALS OR PACKING? There is an upside to change from packing to mechanical seals, however not all conditions favor seals, so a good general knowledge about sealing systems is important in the decision process. In order to understand why pumps need to be sealed, we need to go back to some pumping basics and [...]
How Packing Is Made Has A Direct Relationship To How It Will Respond To: Gland Load Internal Pressure Shaft Speed Media Characteristics Minor Equipment Problems Mechanical Packing Braid Styles Mechanical Packing Braid Styles
Packing The Pump Correctly The importance of packing the pump correctly cannot be overemphasized. Many packing failures are due to incorrect installation of the packing. The following steps have been devised to ensure effective installation of packings on pumps: 1) REMOVE ALL THE OLD PACKING FROM THE STUFFING BOX. Clean box and shaft thoroughly and [...]
Packings may fail for a variety of reasons. Beside improper installation, packing failures are often due to worn or faulty equipment, shaft misalignment, uneven take-up on the gland bolts, and other causes. If you are having trouble, carefully remove and examine the old packing set. DO NOT THROW THE SET AWAY, because it often gives [...]