EN 543.6 Plastic Fluid Level Sight Glasses ATEX Explosion Protective


ELESA original design
code: HGFT. ATEX

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


EN 543.6 Elesa® original design ATEX-Fluid Level Sight glasses are suitable for use in an explosion risk environment. They comply with the guidelines (ATEX) 94/9/EG.
A detailed operating instruction is includedt.

The window is embedded in the body during the injection process and it is therefore absolutely leaktight.

The seal is embedded in a radial undercut and it cannot be extruded during the tightening operation.

Assembly instructions:
For mounting on walls of less than 4 mm thickness please use a GN 543.1 nut.


Plastic (Polyamide PA)
  • Temperature resistant up to 176°F (80 °C)
  • Black, shiny finish

Sight glass
  • Polyamide (PA-T/AR)
  • Alcohol resistant

  • NBR rubber (Perbunan)

Contrast screen
  • Aluminum, natural color, anodized

RoHS compliant


GN 543.1 nuts

Technical drawing

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EN 543.6 ATEX Explosion Protective Plastic Fluid Level Sight Glasses sketch

Part Options / Table


Awith contrast screen
Bwithout contrast screen
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Dimensions in: Inch (change to Metric)
d1d2d3l1l2srecommended torque in Nm
.43G 3/ ... 8
.59G 1/ ... 8
.71G 3/ ... 10

Build & Price

Window glass d1
Thread d2

Selected Part

Total USD (net)
In stock: 0
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≥ 1$11.27
Weight: 0.007 lbs
If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: 800-877-8351
RoHS compliant: Yes
This article conforms to RoHS, which means it complies with EU Directive 2011/65/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)).
All Prices are in US Dollars. Taxes Not Included.

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