Stat-O-SealsApplication : SealingThe stat-o-seal is the best sealing washer available. It consists of asynthetic rubber ‘O’ ring mechanically locked to the I.D.of an aluminium crush washer. This provides the advantages ofan O ring seal, but with ease of fitting. Stat-o-seals will toleratetemperatures from: -30ºC (-22ºF) to 233ºC (450ºF)