INDIANAPOLIS—As the organization dedicated to setting and updating shaft seal standards, the Association for Rubber Products Manufacturers has released the revamped OS-3 standard for dynamic oil seals ...

Bores are sealed with ‘O’ rings' sited in grooves, (figure 1). The ‘O’ rings' are usually of toroidal shape (i.e. circular cross section) and are regulated by BS 1806 and BS 4518. Figure 1. ‘O’ Ring ...

Unlike lip seals and squeeze packings, felt seals require relative little shaft pressure to function effectively. They are commonly used near ball and roller bearings as lubricant retainers.

Mechanical face seals are a good choice when minimum leakage of the sealed fluid is the most important criterion. The primary sealing interface is between rotating and stationary members that form a ...