Housing steel.
Viewing glass thermoplastic polyamide.
O-ring and flat seal rubber (NBR).
Reflector aluminium.
Screw and hex nut steel.

Housing painted black.
Transparent viewing glass, high mechanical stability, non-ageing, temperature resistant with oil up to 100 °C, with water up to 70 °C.
Reflector painted white, markings and scale black.
Screw and hexagon nut, electro zinc-plated.

The oil level gauges can either be fastened as shown in the illustration or directly in the threaded hole.
Centre distance for the fastening holes = L1 ±0.5.
The oil level gauges are suitable for tanks operating without pressure.
Maximum operating temperature: 100 °C.

Form A: without thermometer
Form B: with thermometer

1) flat seal
2) O-ring