Details:
You need to change your group gaskets as part of regular maintenance.
The group gasket seals the portafilter to the group and prevents coffee from escaping during its 9 bars of extraction. As the gaskets age, they go hard and pressure is lost as the coffee will escape from the side of the group.
When do I change the group gaskets?
- You should change your group gaskets every 6 months in a commercial environment and 12 months in a home setting.
- If group gaskets are not changed promptly - you will lose the 9 bars extraction pressure needed to get a good crema, as the gasket has gone hard and coffee will leak from the group.
- The gaskets will be very difficult to remove, as the rubber goes hard - change at the correct intervals and you will save time and improve quality.
We recommend that you always keep spare gaskets.
Type: Flat
Material:
- Rubber: NBR 85SH FDA (Peroxide cured nitrile polymer for food applications) - FDA-approved
- Silicone: 80SH SILICONE FDA Food Safe Silicone - FDA-approved
Options:
- 2 x Rubber gaskets + paper shim gasket.( In case your group is worn and PF sits over to the left - adding the supplementary Paper Shim Gasket will position the PF at 6 o clock)
- 1 x Silicon gasket
- Size:(Ø 73mm x 57mm x 8mm) Models less than 2/3 years
- Size:(Ø 73mm x 57mm x 8.5mm) Models older than 3 years
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