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Cox Instruments has announced that its turbine flowmeters are available with ceramic ball bearings.

These rugged bearings are said to be superior to standard 440C stainless-steel and journal bearings in terms of wear resistance, and are less susceptible to fluid particulates.

They are suitable for water and cryogenic applications, which have little to no lubricating properties.

Ceramic ball bearings have a low coefficient of friction and are wear resistant.

They are also suitable for high-temperature applications, with temperature limits of 425C (800F).

The design characteristics of Cox meters, such as helical rotors with a 2-3msec response and a single-bearing low-friction design allowing the meter to be mechanically linear over a wider flow range, result in unprecedented flow measurement performance – according to the company.

This performance is complemented by Cox’s advanced signal conditioning technology and flow computers.

Cox precision turbine meters offer wide linear ranges and, when coupled with a flow computer, will measure accurately over the entire extended repeatable range.

The meters are available with calibrations in various fluids and viscosity blends, as well as Universal Viscosity Curves (UVCs) for extended temperature environments.

They feature non-corrosive, stainless-steel wetted parts and a choice of end fittings, including specials to meet custom piping requirements.

Manifold systems are also provided for extended flow range coverage.

Cox turbine meters can be paired with a complete line of ancillary electronic signal conditioners and flow computers.

All liquid and gas calibrations for Cox meters are performed by Flow Dynamics.

Cox customers receive a free ceramic ball bearing upgrade when submitting to their meter for recalibration by Flow Dynamics.

Cox Instruments

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