Filler necks

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

Material: Aluminium. Version: Bright. Flat seal asbestos-free. On request: Cap marked OIL. Drawing reference: 1) flat seal

Housing fibreglass reinforced thermoplastic polyamide. Sight glass thermoplastic polyamide. O-ring and flat seal NBR. Reflector PVC. Float plastic. Screw and nut, steel. Version: Housing black. Sight glass crystal clear, high mechanical stability, non-ageing. Reflector white. Float red, with magnetic element. Screw and nut electro zinc-plated. Note: The oil level gauge not only enables the oil level to be viewed but also recorded using a REED switch. In addition, the oil level gauges can also emit an electric signal if the temperature of the liquid inside the container reaches the threshold of 70 °C. As soon as the float element approaches the selected minimum value after the circuit has been closed, the system emits an electric signal. The sensor is located on the housing and its height can be adjusted in line with the control requirements for the oil level. The minimum level is ca. 35 mm from the centre of the lower fastening screw.

Unshielded system. The magnets can be mounted by pressfit or gluing. 1) magnetic face