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Multi-holed metering orifices (ie, balanced flow meters)

Multi-holed metering orifices (ie, balanced flow meters)

Multi-holed metering orifices (ie, balanced flow meters)

(OP)
Has anyone tried A+ flowtek's balanced flow meters (http://www.aplusflowtek.com)? I am trying to find people with first hand operational experience to support or dispute their claims of flow metering accuracy to +/- 0.5%.  They are a NASA spin-off company. I also know that Texas A&M did some research on multi-holed orifices in the 1990's. Please let me know if you have used (particularly A+flowtek's balanced flowmeters)them and what your experiences have been.

RE: Multi-holed metering orifices (ie, balanced flow meters)

you can always give one a try in an existing meter location

a lot of natural gas let-downs metering stations have dual meters (where plates are still used), so you should be able to try one out with a new transmitter without major shut down expense

the element definitely needs flow coefficient data to be drawn into the design evaluation process

RE: Multi-holed metering orifices (ie, balanced flow meters)

(OP)
I should have stated that we are a reasearch and development laboratory where flow measurement is key to our data. We have  have tried them....I am trying to obtain other people's personal experience with this equipment without biasing their comments based on what we are seeing. Any information would be greatly appreciated.

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