The Heidelberg 00.780.0289 WEKO T6 Seal is a replacement spare part for Heidelberg offset presses equipped with a WEKO powder spray system. Heidelberg’s online shop identifies the part generically as “Collar,” while multiple specialist parts suppliers identify the same Heidelberg reference as WEKO T6 Seal used in the spray head or powder bottle/bowl area. Based on the source overlap, WEKO T6 Seal is the clearest industry-facing product name, while collar / gasket / seal are supporting secondary descriptions.
Confirmed part number
The exact requested part number is:
00.780.0289
Industry term
The strongest technical and commercial term found for this reference is:
WEKO T6 Seal
Supporting terms found in reseller databases:
- Collar
- Gasket & Seal
- Powder Bowl Gasket
- Collar for Powder Spray Bottle
Documented variations
I did not find a reliably documented Heidelberg suffix variation such as /01 or /02 for this exact part number in public sources. The safest catalog treatment is to sell it exactly as:
00.780.0289
Function and technical description
A specialist press-parts supplier states this seal sits up in the housing of the spray head and warns that if it is missing or damaged, spray powder can escape heavily. That supports describing the part as a seal for the WEKO powder spray head / bowl assembly, rather than as a generic collar only.
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