JW Winco

Our customers in the USA are managed by JW Winco. Please, use the website of JW Winco: jwwinco.com

GN 20.1 Stainless Steel Cover Sleeves Hygienic Design, Certified Acc. EHEDG, 3-A SSI and DGUV Test



Product Family Stainless Steel

Standard parts made of rustproof stainless steel have been designed for use in the food sector, in the chemical industry, for aggressive ambient conditions or for outdoor use.

  • corrosion-resistant
  • precise fit
  • environmentally friendly
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Product Family Hygienic Design

Standard Parts of the “Hygienic Design” product family are labeled with the HD icon. They combine high surface quality, freedom from dead spaces, non-scooped outer surfaces, and sealed bolting areas. A sealing concept based on FEM calculations ensures reliable contact pressure after installation.

  • suitable for use in hygienically sensitive areas
  • quick and easy cleaning
  • no dead spaces due to functional seals
  • certified according to EHEDG guidelines
Show all Hygienic Design products


The FOOD AND DRUG ADMINISTRATION is a federal agency of the United States Department of Health and Human Services, one of the United States’ executive departments. The FDA is responsible for many things including food safety. The FDA has a positive list of substances that are allowed to come into contact with foods and beverages.

Product description


Stainless steel cover sleeves GN 20.1 are certified according to EHEDG, 3-A Sanitary Standards, Inc. and DGUV Test guidelines and are therefore ideal for use in hygienic areas.

These cover protruding male threads while also substituting for lock nuts. The sealed mounting surfaces enable fastening without dead spaces. The high quality finish prevents adherence of dirt and facilitates cleaning.


Stainless steel AISI 304

Sealing ring
  • H-NBRH
    Temperature resistant -25 °C to +150 °C
    Temperature resistant -40 °C to +120 °C
  • Blue
  • Hardness 85±5 Shore A
  • FDA compliant



Sealing rings GN 7600

Technical drawing

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GN 20.1 Stainless Steel Cover Sleeves, Hygienic Design sketch

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d1Length ld2d3A/Ft1t2
M 12562525,81915,550
M 16622828,82220,555
M 20683232,82725,560
M 24743636,83030,565

Build & Price

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Length l
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Total (net)
plus VAT 2,47 €
gross 15,48 €
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Weight: 0,159 kg
If this article is new in our product range, it may happen that details concerning weight are as yet not listed.
If you do need weight details, please contact our Sales Department!
Phone+49 7723 6507 - 0
RoHS: Yes
This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/EU), for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances).
Please note our quantity discounts.
With a total value (net) per order:
from 175,00 € -> 10 % discount
from 275,00 € -> 20 % discount
from 375,00 € -> 30 % discount

Surcharge for small volume purchases:
-> 15,00 Euro
for value of goods less than 25,00 €
-> 10,00 Euro
for value of goods from 25,00 to 50,00 €
All prices in accordance with our price list No. 54, valid from 1 May 2022, plus VAT only valid for Germany.

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Our service team is available from Monday to Friday between 7:00 AM and 5:30 PM: +49 7723 6507 - 0

To the customised elements | To the contact persons

GN 20.1-M20-68-EGN 20.1-M20-68-HGN 20.1-M16-62-HGN 20.1-M16-62-EGN 20.1-M12-56-HGN 20.1-M12-56-EGN 20.1-M24-74-EGN 20.1-M24-74-H

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