Astoria PF Group Gasket Set  €5.99

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  • Description
  • Fits models
  • How to replace
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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 of 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 promptly and you will save time and improve quality.

            We recommend that you always keep spare gaskets.

Type: Flat

  • Rubber:  NBR 85SH FDA (Peroxide cured nitrile polymer for food applications) - FDA-approved 
  • Silicone: 80SH SILICONE FDA   Food Safe Silicone  - FDA-approved - lasts longer than rubber and is easier to remove if neglected.


  1. 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)
  2. 1 x Silicon gasket 
  • Size:(Ø 73mm x 57mm x 8.5mm) Models less than 3 years
  • Size:(Ø 73mm x 57mm x 9 mm) Models more than 3  years
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