Rod seals are unilaterally pressurizable gaskets, primarily used to seal off moving pistons and rods, for rotary and pivoting motions, or for static applications.
Flame arrester Device fitted to the opening of an enclosure, or to the connecting pipe work of a system of enclosures, and whose intended function is to allow flow but prevent the transmission of a flame. The sealing lips are pressed onto the surrounding sealing surfaces. When pressure is applied, the contact force is increased.