Tap joint spring guide

This steam pipe bushing is a important element in the sealing and functioning of a steam and water valve. This bushing is pushed down on one side with a spring, this bushing has on the other side a hollow shape so that the ball of the steam and water valve can slide smoothly over the brass.

This brass bushing has multiple dimensions. The external diameter of the widest section is 12mm and the smallest 9mm. The internal diameter is 7mm and the thicknesses are 5 and 1,8mm.

Which espresso machines use this brass articulating busing? You can use this type with Rancilio, Brasilia, Fiorenzato, Elektra, Grimac and Vibiemme coffee machines.