Transparent technopolymer with a sulfonic base and therefore with a slightly bronzed colour.
The window consists of a continuous series of prisms which provide a clear and immediate reading of the level of the oil contained in the reservoir.
Green FKM flat washer.
Due to the special composition there is minimal creep; even under the action of the tightening torque, the gasket remains in shape, always ensuring an optimal seal.
The tightening torque recommended in the table guarantees an optimal seal, even at temperatures +150°C.
It can also be used for tanks containing water or water/glycol solutions (up to 50%).
The impact resistance value L2 shown in the table was detected with impact tests in the centre of the window at room temperature.
In laboratory tests carried out with mineral oil type CB68 (according to ISO 3498), the sight glasses maintained a perfect seal at a maximum pressure of 1 bar at a continuous temperature of +150°C.
The maximum working pressure increases with the decreasing of the temperature.
For use with other fluids with special additives, please contact ELESA Sales Department.
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