EN 546.1 Fluid Sight Glasses Crystal Clear Plastic, Dome-Shaped, with Marking Ring


ELESA original design
code: HCFE-C

Product description


EN 546.1 fluid sight glasses are mainly used as fluid circulation indicators.

These fluid sight glasses made of polyamide plastic have a high mechanical strength. Therefore, they can be produced with thinner walls and with a large viewing window.

Assembly note:
For wall thicknesses below 4 mm, use GN 7430 thin hex nuts.


Crystal clear Polyamide PA-T
  • High mechanical strength
  • Temperature resistant up to 212 °F (100 °C)
  • Solvent resistant,
    but not alcohol resistant

Marking ring
Pad printing, red

Rubber NBR (Perbunan®)

RoHS compliant


Thin hex nuts GN 7430

Technical drawing

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EN 546.1 Crystal Clear Plastic Fluid Sight Glasses, Dome-Shaped, with Marking Ring sketch

Part Options / Table

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Dimensions in: Inch (change to Metric)
Pipe thread
tightening torque
in Nm
0.75G 1/ ... 6
0.98G 3/41.240.470.410.771.066 ... 8
1.22G 11.650.590.430.941.428 ... 10

Build & Price

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Diameter d1
Pipe thread d2

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Total US Dollars (net)
In Stock: 85
In Stock
Please note our quantity discounts (US Dollars).
≥ 250$3.68
Prop 65: -
Please contact our Sales Department for more information.
RoHS: -
No details on RoHS compatibility are available at this time. Please contact our Sales Department for more information.
Weight: 0.011 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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Need Help?

Our service team is available from Monday to Friday between 7:30 AM and 5:00 PM Central Time: 800-877-8351

Special Requests | Contact our sales team

GN 546.1-25-G3/4GN 546.1-19-G1/2GN 546.1-31-G1

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