Gas and Liquid Ultrasonic Flowmeters

Start again from the beginning please.

• Please describe the current situation
• What fluids are being transferred? At what temperature and pressure?
• What is the line size?
• What are the current difficulties?
• What improvements are required?

Etc.

I have not seen a spare meter in 20 years. The cost to pipe up the prover to be a spare meter would cost more than just buying a spare meter.

Greetings!

Top of the day to you!

The decision whether to install a redundant meter or not should be based upon the production and safety requirements of your system.

If production downtime, product quality, and/or safety due to equipment calibration, service, and/or repair is not an issue, then a redundant meter is not necessary.

As I do not know the dynamics or risks surrounding your process, it would be impossible to answer the question correctly but to me, the idea of using a "prover" as a substitute for a flowmeter doesn't sound like a good viable solution.

My best guess would be that if you are "batching" chemical compounds for refining or combination, a careful, in-depth analysis of your process is required to identify all of the risks and requirements before a decision is made.

The idea of having redundant metering and controls in any process is to provide "seamless", un-interrupted operation that may be critical (especially when combining or refining chemicals/compounds) to the quality of the product as well as maximizing production at a minimum cost.

I hope this helps.