Our customers in the USA are serviced by JW Winco. Please, use the website jwwinco.com
Our customers in the USA are serviced by JW Winco. Please, use the website jwwinco.com
This oil sight glass GN 537 does not require a thread.
The oil sight glass is inserted into the bore d2 to H11. By simply tightening the ring nut using the pin key the seal is pressed against the contact surface which, at the same time, will hold the sight glass in position. For removal reverse the procedure.
Their application is limited to non-pressurised or only slightly pressurised tanks.
Ring nut
Aluminum
Window glass
Perspex (PMMA), clear glass
Temperature resistant up to 80 °C
Seal
Rubber NBR (Perbunan)
Reflector
Plastic
White, with red oil level marks
RoHS
| A | Without oil level marks |
| B | With oil level marks |
| d1 Window glass | d2 Bore-Ø | b min. | d3 | d4 | e ±0,1 | h | l1 | l2 | Code no. Pin key for installation |
|---|---|---|---|---|---|---|---|---|---|
| 16 | 20 | 9 | 25 | 2,2 | 21 | 5 | 15 | 3,5 | GN 537.1-21 |
| 22 | 28 | 10 | 35 | 3 | 30 | 6 | 15 | 4,5 | GN 537.1-30 |
| 32 | 38 | 12 | 45 | 3 | 40 | 8 | 18 | 5,5 | GN 537.1-40 |
| 50 | 58 | 14 | 64 | 3 | 58,5 | 10 | 22 | 5,5 | GN 537.1-58,5 |
Our service team is available from Monday to Friday between 7:00 AM and 5:30 PM: +49 7723 6507 - 0
