Morritas Tubes May 2026

In process control industries (oil & gas, petrochemical, power generation), accurate measurement of liquid levels and interface levels is paramount. Displacer-type level transmitters (such as the Fisher Level-Trol) utilize Archimedes' Principle to measure level based on buoyancy.

The Morritas Tube (often referred to as a Torque Tube or Torque Tube Assembly in general instrumentation terminology, though "Morritas" is a regional or specific trade name often associated with these assemblies in Latin American markets) is the mechanical heart of these instruments. It acts as a pressure seal and a rotational bearing, allowing the motion of the displacer to be transmitted to the external transmitter without leaking process fluid. morritas tubes

Standard cylinder tubes require honing (abrasive machining) to achieve the surface finish necessary for piston seals and rod glands. A high-quality morritas tube arrives with a "as-drawn" finish that is often smooth enough for direct use (SKIVED or burnished). This eliminates an entire machining step, reducing lead times and manufacturing costs. In process control industries (oil & gas, petrochemical,

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