The contact face for the sealing washer must ideally be flat and perpendicular to the threaded hole and have a surface finish of Ra ? 0.8 µm.
Sealing washer is unsuitable for acidic cleaning (pH < 4) and oxidising agents.
The suitability of the Hygienic DESIGN spacer sleeves for the respective application must be checked by the user. Depending on the loads and external influences (temperature, cleaning media, product media), the sealing washer should be inspected regularly and replaced if necessary.
Spacer sleevestainless steel 1.4404.
Sealing washer: EU10/2011 and FDA conform thermoplastic (POM).
Spacer sleeve: unpolished stainless steel.
Sealing washer: RAL5002 - Ultramarine blue (POM).
-20° to +100° C (POM).
Exchangable seal washer.
Foodstuff conform material.
Cleaning optimised geometry.
Sealing washer 07301.
Stainless steel hex head bolt with sealing washer 07170-11.
Stainless steel hex nut with sealing washer 07280-11.
The Hygienic DESIGN spacer sleeve was specially developed for use in food-processing facilities. Special emphasis has been placed on the cleaning-optimised geometry and a surface finish of Ra ≤ 0.8 µm. The sealing washer made from foodstuff conform plastic is exchangable.