JW Winco

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

GN 541.6 ATEX-Sight Glasses Crystal Clear Plastic


ELESA Original design
code: HFTX-EX

Product Family ATEX

ATEX standard parts have been developed for explosion hazard conditions in hydraulics or gear construction. Every product includes a documentation showing the underlying European explosion protection directive (ATEX).

  • especially for explosion hazard zones
Show all ATEX products

Product description


ATEX-Sight glasses GN 541.6 are suitable for use in an explosion risk environment. They comply with the guidelines 2014/34/EU.

A detailed operating instruction is available and included with every sight glass.

Assembly instruction:
For mounting on walls of less than 4 mm thickness please use mounting nuts GN 7430.


Crystal clear Polyamide (PA-T)
  • High mechanical strength
  • Temperature resistant up to 80 °C
  • Solvent resistant,
    but not suitable for alcohol

Rubber NBR (Perbunan®)

Natural color, anodized



Mounting nuts GN 7430

Technical drawing

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GN 541.6 ATEX-Sight Glasses, Plastic sketch

Article options / Table


AWith reflector
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Window glass
tightening torque in Nm
11M 16 x 1,5-2287192 ... 3
14M 20 x 1,5-269,58228 ... 10
18M 25 x 1,5-31,589278 ... 10
18M 26 x 1,5-31,5139278 ... 10
20M 27 x 1,5-31,599278 ... 10
22M 30 x 1,5-35910308 ... 10
25M 35 x 1,5-401110348 ... 10
30M 40 x 1,5-4711,51340,58 ... 10
11-G 3/8227,57193 ... 5
14-G 1/22610,58224 ... 6
20-G 3/431,510,59276 ... 8
25-G 1401110348 ... 10
30-G 1 1/44711,51340,58 ... 10

Build & Price

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Fine thread d2
Inch thread d2

Selected Part (How to order)

Total (net)
plus VAT 1,23 €
gross 7,69 €
In stock
Weight: 0,003 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
With a total value (net) per order:
-> 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. 53, valid from 1 May 2021, plus VAT only valid for Germany.

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Our Service-Team is available from Monday to Friday from 7:00 until 17:30: +49 7723 6507 - 100

To the customised elements | To the contact persons

GN 541.6-18-M26X1,5-AGN 541.6-11-G3/8-AGN 541.6-18-M25X1,5-AGN 541.6-14-M20X1,5-AGN 541.6-20-M27X1,5-AGN 541.6-30-G11/4-AGN 541.6-30-M40X1,5-AGN 541.6-11-M16X1,5-AGN 541.6-25-G1-AGN 541.6-25-M35X1,5-AGN 541.6-22-M30X1,5-AGN 541.6-20-G3/4-AGN 541.6-14-G1/2-A

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