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GN 743.6 ATEX-Sight Glasses Aluminum


GN 743.6 ATEX-Sight Glasses, Aluminum / Security Glass (ESG)

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 743.6 are suitable for use in an explosion risk environment. They comply with the guidelines 2014/34/EU.Detailed documentation is available and forms part of an order for this product.

A detailed operating instruction is included with every GN 743.6 sight glass. In addition, the housing is provided with an ATEX-label.

Further salient points of the oil level sight glasses GN 743.6 are:
They offer genuine glass of high stability and scratch proof. The seal is achieved with an O-ring on the periphery and not on the face edge of the glass. Leak tightness is therefore not affected by axial pressures.

The sealing ring is embedded in a radial groove and cannot drop out, nor can it be extruded when tightening torque is applied.

ATEX-Sight glasses GN 743.6 can also be used on pressurised tanks. Tests regarding maximum pressure are available.

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


  • Body
    Surface fine turned

  • Sight glass
    Security glass (ESG)

  • Seals
    Rubber FPM (Viton®)

  • Circlip
    Stainless steel AISI 301

  • Temperature range: -20 °C up to +150 °C



Mounting Nuts GN 7430

On request

EPDM seals

Technical drawing

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GN 743.6 ATEX-Sight Glasses, Aluminum / Security Glass (ESG) sketch

Article options / Table

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11G 3/8M 16 x 1,5--228820
14G 1/2M 20 x 1,5--268,5923
18G 3/4M 26 x 1,5M 27 x 1,5M 27 x 23291130

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Selected Part (How to order)

Total (net)
plus VAT 2,17 €
gross 13,59 €
In stock
incl. material surcharge: 0,06 €
The material surcharge is already included in the price.
Weight: 0,020 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 order 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 49,99 €
All prices in accordance with our price list No. 55, valid from 1 September 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 743.6-11-G3/8GN 743.6-11-M16x1,5GN 743.6-14-G1/2GN 743.6-14-M20x1,5GN 743.6-18-G3/4GN 743.6-18-M26x1,5GN 743.6-18-M27x1,5GN 743.6-18-M27x2

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