When gas or liquid are under pressure, system fastenersshould be sealed to prevent leakage. This is true even for fasteners that arenot under pressure, but where hostile environments such as water, ...

O-rings and guide rings are both used on hydraulic cylinders, but they handle different tasks. O-rings are often the first choice for engineers because of their flexibility and performance in static ...

Square-section seals and O-rings both provide leaktight sealing. O-rings have long been considered the standard solution for static-sealing applications. But designers should also consider square ...

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 ...