JW Winco

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GN 650 Oil level indicators


GN 650 Oil level indicators, plastic / Stainless Steel screw Type: B - with thermometer
ELESA original design
code: HCX.
Type: B - with thermometer
GN 650 Oil level indicators, plastic / Stainless Steel screw Type: B - with thermometer GN 650 Oil level indicators, plastic / Stainless Steel screw Type: A - with neutral contrast screen

Product description


A special feature of oil level indicators GN 650 is their reduced dimension. The liquid level is visible even from side positions.

The polyamide body consists of two parts which are ultrasonically welded together. The oil level indicators are individually air pressure tested for leaks at 3 bar.

All oil level indicators GN 650 can also be used on tanks which are pressurised. Pressure test results regarding resistance under pressure are available.

As a contrast screen, a white lacquered aluminium strip is used which shows marking lines or temperature scale. The scale is placed behind and outside the liquid column as a protective measure.

The shape of the oil level indicators offers a magnifying effect which makes the scale easily legible.


crystal-clear Polyamide
(PA 6-T)
  • ageing resistant
  • high mechanical strength
  • temperature restistant up to 90 °C
  • solvent resistant,
    but not suitable for alcohol
  • avoid contact with hot water

  • white lacquered
  • with two black marking lines / scale

Rubber NBR (Perbunan®)

Set screw, hexagon nut, serrated lock washer
zinc-plated, blue passivated


On request

Oil level indicators GN 650 (AR)
suitable for alcohol

Technical drawing

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GN 650 Oil level indicators, plastic / Stainless Steel screw sketch

Article options / Table


Awith neutral contrast screen
Bwith thermometer
Show / Hide columns
l1bdl2l3l4l5l6l7s ≈
max. Wall thickness
Thermometer scale

7627M 1021401061815161220 ... 10068 ... 100
12731M 12238016123171712 0 ... 10032 ... 210
25435M 122120329026181812 0 ... 10032 ... 210

Build & Price

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Distance of the screws l1

Mounting information

Drawing mounting information GN 650

The assembly of the oil level indicators GN 650 is very easy and economical. You need two drillings Ø 10,5 and/or Ø 12,5  mm in the distance l1 in the container wall. The oil level indicator can also be installed directly i.e. without nut, if the container wall has a fitting thread.
All individual parts necessary for the assembly are provided: set screws with the drillings for oil, hexagon nuts, O-rings and serrated lock washers for safe guard. For perfect sealing by the O-rings the screws should not be too strongly tightened (max. 12 Nm). Recommended roughness of the sealing surface RA = 3 μm.

Selected Part (How to order)

Total (net)
plus VAT 2,75 €
gross 19,93 €
In stock
Weight: 0,085 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: Yes
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)).
Please note our quantity discounts.
With a total value (net) per order:
from 175,00 € -> 10 % discount
from 275,00 € -> 20 % discount
from 375,00 € -> 30 % discount
With a total value (net) per order:
All prices in accordance with our price list No. 52, valid from 1 May 2019, plus VAT only valid for Germany.

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