Single Gear Drive Accutube

For over 50 years Meriam has been successfully involved in the Averaging Pitot Tube business, mainly through the designing and manufacturing of Accutubes.

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Jun 4th, 2014

For over 50 years Meriam has been successfully involved in the Averaging Pitot Tube business, mainly through the designing and manufacturing of Accutubes. This success has been established through thousands of effective installations worldwide. While other companies changed their tube to Bullet, Diamond or Flat-Face, with assertions that each is better than the other, Meriam has always used the round probe design providing our customers with low-cost, accurate flow measurement.

The Meriam Accutube brand is field proven to be the most robust and accurate design, from your simplest application to your most difficult. Meriam Quality Assurance programs assures many years of service from the Accutube Flow Meter.

Why Select an Accutube

There are several features specific to our Accutubes that put them at the top of their class. These specifications have been tested and certified by independent labs.

Flow rate turndown is typically 10:1 and can be increased with a high accuracy DP transmitter
Accuracy is better than + 1%
0.1% Repeatability regardless of upstream/downstream straight run
Bi-directional flow measurement using a single transmitter
Can measure Volumetric or Mass Flow Rates
True double averaging design
Can be installed with any brand of DP or Multivariable transmitter

Meriam Quality Assurance:

ISO 9001:2008
Material Certifications, PMI Testing Available
Calibrated by Utah Research Laboratory - Utah State University, University of Michigan and NIST Traceable Flow Elements at Meriam
Hydrostatic, Dye Penetrant and Radiographic Testing available

Other Performance Benefits:

Very low permanent pressure loss minimizes the effect on process
Inexpensive to buy, install and maintain
No moving parts insures long-term accuracy and stability
Factory sizing insures best Accutube selection for your application

Options Include:

Gear drive or jack screw for retracting flow sensors
Three-valve manifold for direct transmitter mounting
Integral RTD mounting
High pressure, high temperature designs
Exotic materials for corrosive or high temp. processes such as Monel, Inconel and hastelloy are available

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