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K1326 Hygienic Sealing And Shim Washer Process Seals

Material:
Stainless steel 1.4404.
Rubber beading:
70 EPDM 291 black
70 EPDM 253815 white
75 Fluoroprene XP 45 blue

Note:
Flat metallic seal with elastomer beading for cavity-free, static sealing of screw connections. The Hygienic USIT® sealing and shim washer forms a cavity-free seal on product contact surfaces or within aseptic isolators only when used in conjunction with the specially designed screw or nut (see Art. No. K1327 and K1328). The sealing and shim washer reliably eliminates cavities on screw connections. Residual material or cleaning agents cannot precipitate unnoticed and so contamination through microbes and bacteria is negated.

*Application:
Even if the rubber beading cannot be overstressed by the integrated stainless steel washer when the fastening is tightened, every material reaches the end of its life-cycle sometime. Fragments could get into the foodstuff. The different sealing materials and their colours are not just for fulfilling the respective user applications, but also to ensure product specific ease of detectability.
*

70 EPDM 291 - black
Used mainly in the processing and beverage industries and in dairies.

70 EPDM 253815 - white
Predominantly used in medical technology and pharmaceutical industries

75 FLUOROPRENE® XP 45 - blue
For special requirements such as very fatty, aggressive mediums and very high temperatures that could occur during e.g. cleaning the plant.

Naturally, all sealing materials are also suitable for individual packaging tasks.

Attention:
The function of the Hygienic USIT ® screw joint system has been proven in connection with stainless steel materials and common cleaning agents.
The suitability for a specific application needs to be tested by the user.

Accessory:
The Hygienic USIT® sealing and shim washers can be used with all other products of the Hygienic USIT® range.

Drawing reference:
1) Cavity free sealing

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