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EN 543.4 Fluid Level Sight Glasses Plastic, with Prismatic Reflector, resistant to 284° F (140° C)


ELESA original design

code: HGFT.HT-PR

Product description


EN 543.4 Elesa® original design technopolymer plastic fluid level sight glasses.
Resistant to solvents, oils, grease and other chemical agents.

Window consists of a continuous series of prisms which offer a clear oil reading. It is embedded when spraying the housing and is therefore completely leak free.
Seal is embedded in a radial undercut and will not extrude during tightening.
A moderate torque (not exceeding 3-12 Nm) is recommended when tightening oil level indicator so as to guarantee optimal tightness without any elastic deformation. Full details regarding torque available upon request.

Maximum continuous working temperature at 7 Bar pressure: 284°F (140°C).

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


Technopolymer (Polyamide PA)
  • black, matte
  • temperature resistant up to 284° F (140° C)

Sight glass
Plastic Polysulfon
  • pressure resistant up to 7 bar

FPM rubber (Viton®)

RoHS compliant


GN 543.1 nuts

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EN 543.4 Plastic Fluid Level Sight Glasses with Prismatic Reflector, resistant to 284° F (140° C) sketch

Part Options / Table

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Dimensions in: Inch (change to Metric)
Pipe Thread
0.59G 1/21.100.390.330.94
0.71G 3/41.380.390.331.26
0.91G 11.690.430.371.50

Build & Price

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Total US Dollars (net)
In stock: 7
In stock
Please note our quantity discounts (US Dollars).
≥ 250$5.89
Prop 65: -
Please contact our Sales Department for more information: 800-877-8351
RoHS: -
This part is new in our product range, no details are available at this time. For more recent details on the RoHS compatibility, please contact our Sales Department!
Weight: 0.013 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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