A variety of espresso machines use a extractable brass sleeve inside the brewing group. This brass sleeve needs to be sealed off. There is a upper and lower seal. The upper o ring seal is the one on this page. This o ring has been made from EPDM. The cord diameter of this o ring is 3,53mm and the inner diameter of this ring is 58,74mm. This specific o...
A lever brewing group uses slightly different parts then a normal pump driven espresso machine. This is the same story for the shower screens used. This shower screen made by the Italian company IMS Filtri is a example of this. This shower screen clamps around the sleeve of the brewing group to keep it into place. The outer diameter of this shower screen...