GN 654.1 Oil level indicators increased chemical resistance


ELESA original design
code: HCK-GL

Product Family Stainless Steel

Standard parts made of rustproof stainless steel have been designed for use in the food sector, in the chemical industry, for aggressive ambient conditions or for outdoor use.

  • corrosion-resistant
  • precise fit
  • environmentally friendly
Show all Stainless Steel products

Product description


Owing to the U-rail and the cover, oil level indicators GN 654.1 are extremely stable and are therefore suitable for great lengths. The fluid level can also be viewed from the side.

Oil level indicators GN 654.1 have a high chemical resistance and are also suitable for media containing or based on glycol.

For special requirements in terms of chemical resistance, pressure and temperature resistance, please contact us.


Glass tube
borosilicate glass (Pyrex®)
  • temperature resistant up to 130 °C
  • highest mechanical and thermal resistance

Rubber FKM (Viton®)

Set screw
Stainless Steel AISI 303

anodized, natural colour

End pieces
Technopolymer (Polyamide PA)
  • black, matt
  • temperature resistant up to 130 °C

Plastic, chrystal-clear Polycarbonate (PC)

RoHS compliant

On request

other lengths l1
with temperatue display
with electrical temperature monitoring

Technical drawing

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GN 654.1 Oil level indicators, high chemical resistance sketch

Article options / Table

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l1bdl2l3l4l5l6l7s ≈
wall thickness
7633M 1020421131718,53312
12733M 1220711642818,53310
17633M 12201202132818,53310
25433M 12201982912818,53310
38133M 12203254182818,53310
50833M 12204525452818,53310

Build & Price

Distance of the screws l1

Selected Part (How to order)

Weight: 0,160 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 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)).
Please note our quantity discounts.
With a total value (net) per order:
from 150 Euro -> 10 % discount
from 250 Euro -> 20 % discount
from 350 Euro -> 30 % discount
All prices in accordance with our price list No. 51, valid from 1 February 2018, plus VAT only valid for Germany.

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