Series 8000 Pneumatic Torque Tube

Series 8000 Torque Tube Pneumatic Transmitters and Controllers.

The series 8000 pneumatic torque tube liquid level instruments utilize the buoyancy exerted on a displacer when immersed in a liquid.

The buoyancy on the displacer is proportional to the liquid level and operates on a torque tube which, in turn, moves the pointer along the instruments scale. This system is exceptionally accurate and fiction free as the torque tube acts also as sealing device towards the pressure of the process fluid whose level is being measured.

The instruments are provided with a system for the specific gravity compensation of the measured liquid. They can be also designed for the interface or specific gravity service. They are available in different styles for external or internal mounting on tank and offer different possibilities both for the process connections position and for the construction materials.

The instrument case, provided with a segmental graduated scale, is dust spray proof and fitted with two pressure gauges for the compressed air supply and output signal respectively.

Case internal pressurization is possible on request. Compressed air for the instrument supply must be filtered, oil free and sufficiently dry; a pressure of 1.4 barg (20 psig) is required.

* Zoekterm: vlotter niveau schakelaar, displacer, float level switch, Sensilevel
Offerte
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