The level indicator is designed for visual control of liquids of different physical and chemical properties in a transparent glass tube and is used in equipment operating under overpressure up to 0.4 MPa, in all branches of economic activity except nuclear industry. The level indicator is installed outside the vessel: in manual control systems for control of its filling, and as a duplicating device in automatic systems for evaluation of correct work of automatics. Structurally the pointer is made in the form of 2 shut-off devices, between which a sight tube is installed.
Operation is based on the law of communicating vessels: the level of liquid column in the tube corresponds to the level in the tank. The level is determined visually by the boundary of separation of liquid and gaseous phases. The pointer is available in several versions to suit the customer's needs.
The following parameters are available for customisation: connection length, sight tube material, process connection, protective cover.
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