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, galvanised.

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