To complete an acceptance test on a vertical turbine pump (125HP Motor w/VFD - Rolling Element Bearings)to comply with ISO 10816 my understanding is that I collect broadband data (10-1000Hz)at the various measurement points throughout the POR (preferred operating range) and use the overalls for compliance. Is this a correct assumption? Any feedback on ISO 10816 as it relates to vertical pumps is greatly appreciated. Thanks, DD

You're talking about acceptance testing on varible speed w/A-F brgs. No mention of RPM? I would think the perferred test would be: setup transducers at all points of interest and record vibration data at a number of key interest running speeds through and to top speed. Record all data continuously and then perform coast down. Do you need temperature, phase and operating parameters? Supply your customers demands and needs.

Do you need alignment checks? Check plumb anyway!

Thanks Sam for the feedback. What I was really looking for was confirmation on setting up the measurement points (overalls - velocity RMS) for compliance with ISO 10816.

Do you have the relevent parts of ISO 10816? That would be the starting point. Relying upon second hand information is questionable.

So many times when I've done acceptance testing for a company, especially new installation acceptance, you'll find there is generally a contract between the company, engineering firm and contractor - good, bad, right or wrong it is a legal contract. Sometimes they use ISO and reference to those standards but also use NEMA and the Hydraulic Institute. Regardless, it is a good idea to meet with the parties concerned and let all agree upon testing and definitions and procedures. This can save you some grief.

If it is a specific ISO part, then I would take Bill's recommendation as gospel and get the exact spec you need to satisfy the client. Communicating those concerns to the client is usually good.

If this is a situation where you find things amiss and work falls back on the contractor they may get a seperate consultant for a second opinion and you may need well documented data. If this is the case I would want ample data hopefully traceable to the NIST. This may include calibration sheets for transducers and equipment.

I'm not trying to throw a wet towel on the subject or be a mooncalf or jabbernow but acceptance testing can get involved - been there. I have some case histories on this.

Does the spec state the version of ISO 10816 that is applicable? My company's software, DREAM For Windows, has automatic setup for making measurements for ISO 10816-1-97, 10816-3-98, and ISO 10816-4-98. -1-97 and -3-98 each have four different classes depending on the machine types and size so you need more info to apply the standards.

The relevant spec could be ISO 10816-3-98, class 3 or class 4. There is also a support classification that's relevant, either rigid supports of soft supports.

For most applications, the specified frequency range is 10-1000 Hz but for slow speed applications, the low frequency end of the measurement band may be lower.

Where are you located in the western US?

This message has been edited. Last edited by: Duncan Carter,

In May the following document was approved. You may see if it is available and applicable.

English Title: Mechanical vibration -- Evaluation of machine vibration by measurements on non-rotating parts -- Part 7:
Rotodynamic pumps for industrial applications, including measurements on rotating shafts

French Title:
Vibrations mécaniques -- Évaluation des vibrations des machines par mesurages sur les parties non
tournantes -- Partie 7: Pompes rotodynamiques pour applications industrielles, y compris mesurages sur les
arbres tournants

This is part 7 of 10816; the DIS was approved in May, 2007.

Gentlemen,

Your feedback regarding ISO 10816 Acceptance Testing for Industrial Pumps is greatly appreciated.

Sam - As you pointed out - "acceptance testing can get involved" - how true that statement is as I am finding out first hand.

Duncan - Your DREAM Software is very versatile to include auto setups for ISO Standards. By the way, "Western USA" is actually Las Vegas, NV for now.

Bill - After your recommendation, I did get my hands on ISO - 10816 Part 7 - "Mechanical vibration -- Evaluation of machine vibration by measurements on non-rotating parts -- Part 7" - English Version - 17 detailed pages. I feel confident now that I can provide my customer with a quality acceptance test. Thanks! DD

The most recent released version of DREAM is about a year old so, unfortunately, it predates ISO 10816 part 7 so I can't plug it in and generate the various levels that the spec calls for.