The R.OPG.240ES stainless steel oil level sight glass is a high-quality sight glass with a hexagonal housing made from stainless steel 1.4305 and a toughened ESG glass viewing window. Featuring an FPM (Viton®) seal, a stainless steel retaining ring and temperature resistance up to 180 °C, this oil level sight glass is ideally suited for demanding industrial applications requiring reliability, durability and excellent chemical resistance.
Features
- Stainless steel 1.4305 housing
- Hexagonal design for easy installation
- Toughened ESG glass viewing window
- Plastic reflector for improved oil level visibility
- FPM (Viton®) seal
- Stainless steel retaining ring (1.4310)
- Temperature resistant up to 180 °C
- Corrosion resistant and maintenance-free
Specifications
| Code | R.OPG.240ES-M20 |
| Description | ES Stainless steel oil level sight glass |
| Thread | M20 × 1,5 |
| Housing | Stainless steel |
| Viewing window | Toughened ESG Glass |
| Seal | FPM (Viton®) |
| d1 | 14 mm |
| d3 | 26 mm |
| l1 | 8.5 mm |
| l2 | 7.5 mm |
| Wrench size (S) | 23 |

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