Our customers in the USA are managed by JW Winco. Please, use the website of JW Winco: jwwinco.com
Our customers in the USA are managed by JW Winco. Please, use the website of JW Winco: jwwinco.com
ELESA Original design 
Oil sight glasses GN 541 have very high mechanical strength. This allows them to be relatively thin while offering a large viewing window.
These oil sight glasses can also be used in tanks which are pressurised. Test results are available to verify the pressure resistance.
Assembly instruction:
For mounting on walls of less than 4 mm thickness please use mounting nuts GN 7430.
Plastic
Crystal clear Polyamid (PA 6-T)
Seal
Rubber NBR (Perbunan®)
Reflector
Aluminum
Natural color, anodized
RoHS
| A | With reflector |
| B | Without reflector |
| d1 Viewing window | d2 | d3 | l1 | l2 | s | recommended tightening torque in Nm |
|
|---|---|---|---|---|---|---|---|
| 11 | M 16 x 1,5 | - | 22 | 8 | 7 | 19 | 2 ... 3 |
| 14 | M 20 x 1,5 | - | 26 | 9,5 | 8 | 22 | 8 ... 10 |
| 18 | M 25 x 1,5 | - | 31,5 | 8 | 9 | 27 | 8 ... 10 |
| 18 | M 26 x 1,5 | - | 31,5 | 13 | 9 | 27 | 8 ... 10 |
| 20 | M 27 x 1,5 | - | 31,5 | 9 | 9 | 27 | 8 ... 10 |
| 22 | M 30 x 1,5 | - | 35 | 9 | 10 | 30 | 8 ... 10 |
| 25 | M 35 x 1,5 | - | 40 | 11 | 10 | 34 | 8 ... 10 |
| 30 | M 40 x 1,5 | - | 47 | 11,5 | 13 | 40,5 | 8 ... 10 |
| - | - | - | - | - | - | - | - |
| 9 | - | G 1/4 | 18 | 10 | 6 | 15 | 2 ... 3 |
| 11 | - | G 3/8 | 22 | 7,5 | 7 | 19 | 3 ... 5 |
| 14 | - | G 1/2 | 26 | 10,5 | 8 | 22 | 4 ... 6 |
| 20 | - | G 3/4 | 31,5 | 10,5 | 9 | 27 | 6 ... 8 |
| 25 | - | G 1 | 40 | 11 | 10 | 34 | 8 ... 10 |
| 30 | - | G 1 1/4 | 47 | 11,5 | 13 | 40,5 | 8 ... 10 |
Our service team is available from Monday to Friday between 7:00 AM and 5:30 PM: +49 7723 6507 - 0
