GN 743.6 Fluid Level Sight Glasses Aluminum, with ESG-Glass, ATEX Explosion Protective



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


GN 743.6 fluid level sight glasses with ATEX explosion protective are suitable for use in an explosion risk environment. They comply with the guidelines 2014/34/EU. Detailed documentation is available and form part of an order for this produtct.

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

GN 743.6 fluid level sight glasses 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 seal is embedded in a radial groove and it cannot be extruded during the tightening operation.

GN 743.6 fluid level sight glasses can also be used on pressurized tanks. Tests regarding maximum pressure are available.

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


Aluminum, fine turned

Sight glass

Rubber FPM (Viton®)

Stainless steel AISI 301

Temperature range from:
-4 °F up to 300 °F (-20 °C up to 150 °C)

RoHS compliant


Thin hexagon nuts GN 7430

On request

EPDM seal

Technical drawing

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GN 743.6 Aluminum Fluid Level Sight Glasses, with ESG-Glass, ATEX Explosion Protective  sketch

Part Options / Table

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Dimensions in: Inch | Metric
Pipe thread

Fine thread

0.43G 3/8M 16 x 1.5--0.870.310.310.79
0.55G 1/2M 20 x 1.5--1.020.330.350.91
0.71G 3/4M 26 x 1.5M 27 x 1.5M 27 x 21.260.350.431.18

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Prop 65: Not compliant
Cancer and Reproductive Harm -
RoHS: Compliant
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)).
Weight: 0.055 lbs
If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: 800-877-8351
All Prices are in US Dollars. Taxes Not Included.

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