Black marking - Import export

Indexing pin steel, hardened, ground and black oxidised. Threaded sleeve black oxidised. Lock mark red anodised. Note: Indexing plungers are used to prevent any change in locking position due to lateral forces. A new locking position can only be set after the plunger has been manually disengaged. When the lock mark is visible the plunger is either completely disengaged or only partly in the index position.

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.