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Iso 10816 7 Free Download


ISO 10816-7: A Standard for Evaluating Pump Vibration




Pumps are widely used in various industrial applications, such as water supply, oil and gas, chemical, power generation, and mining. However, pumps can also generate vibration, which can affect their performance, reliability, and safety. Therefore, it is important to measure and evaluate the vibration of pumps and to ensure that they comply with certain standards.


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One of the standards that can be used for evaluating pump vibration is ISO 10816-7, which is part of the ISO 10816 series of standards on mechanical vibration. ISO 10816-7 gives instructions for the evaluation of vibration on rotodynamic pumps for industrial applications with nominal power above 1 kW. It defines the special requirements for evaluation of vibration when the vibration measurements are made on non-rotating parts (bearing housing vibration). It also includes measurements on rotating shafts, which can provide additional information about the condition of the pump.


Scope and Application of ISO 10816-7




ISO 10816-7 applies to rotodynamic pumps for industrial applications, such as centrifugal pumps, axial flow pumps, mixed flow pumps, and regenerative pumps. It covers pumps of single stage, multistage, horizontal or vertical construction (coupled or close coupled). It does not apply to pumps specifically designed for solids handling and waste water applications, which may experience higher vibration levels due to out of balance forces and pressure pulsations.


ISO 10816-7 is intended to be used for acceptance testing at the manufacturer's test facility or at the installation site. It can also be used for condition monitoring during operation or maintenance. However, it does not provide specific criteria or limits for acceptance or rejection of a pump. The evaluation of vibration according to ISO 10816-7 should be based on a comparison with reference values or previous measurements on similar pumps under similar operating conditions.


Vibration Measurement and Evaluation According to ISO 10816-7




ISO 10816-7 specifies the measurement points, directions, and frequency ranges for vibration measurement on non-rotating parts (bearing housings) and rotating parts (shafts) of pumps. It also provides guidance on how to mount the sensors, how to process the signals, and how to report the results.


The vibration severity of a pump is evaluated by comparing the measured vibration values with four zones of vibration severity: A, B, C, and D. Zone A represents a low level of vibration that is normally not a cause for concern. Zone B represents a satisfactory level of vibration that may be accepted for long-term operation. Zone C represents a high level of vibration that may cause damage in the long term. Zone D represents a very high level of vibration that may cause damage in the short term.


The zones of vibration severity are defined by different criteria depending on the type and size of the pump, the speed range, and the measurement location. The criteria are given in terms of velocity (mm/s), acceleration (m/s), or displacement (μm). The criteria are also dependent on whether the pump is rigidly or flexibly mounted on its foundation.


Benefits and Limitations of ISO 10816-7




ISO 10816-7 is a useful standard for evaluating pump vibration because it provides a common framework and terminology for measurement and evaluation. It also takes into account the specific characteristics and requirements of rotodynamic pumps for industrial applications. It can help to ensure that pumps are operating within acceptable vibration levels and to identify potential problems that may affect their performance or reliability.


However, ISO 10816-7 also has some limitations that should be considered when using it. For example, it does not provide specific acceptance or rejection criteria for pumps, which may vary depending on the application, customer specifications, or contractual agreements. It also does not cover all aspects of pump vibration, such as resonance, cavitation, flow-induced vibration, or transient phenomena. Therefore, ISO 10816-7 should be used in conjunction with other standards or guidelines that may be relevant for specific pump types or applications.


How to Download ISO 10816-7




If you are interested in downloading ISO 10816-7 for free, you may be disappointed to find out that it is not available online without paying a fee. ISO standards are developed by international experts and organizations, and they are protected by intellectual property rights. Therefore, you need to purchase a copy of ISO 10816-7 from the official ISO website or from a national standards body that is a member of ISO. The price of ISO 10816-7 may vary depending on the currency and the delivery method.


However, there are some ways to access ISO 10816-7 without paying the full price. For example, you may be able to find a free preview of ISO 10816-7 on the ISO website or on other websites that offer standards information. The preview may not include the full content of the standard, but it may give you an overview of the scope, terms, definitions, and references of ISO 10816-7. You may also be able to find a free copy of ISO 10816-7 in a library or a research institution that has a subscription to ISO standards. Alternatively, you may be able to borrow or share a copy of ISO 10816-7 with someone who has already purchased it.


However, before you download or use ISO 10816-7 for free, you should be aware of the legal and ethical implications of doing so. As mentioned earlier, ISO standards are protected by intellectual property rights, and using them without permission or payment may violate these rights. You may also risk getting an outdated or incomplete version of ISO 10816-7 that may not reflect the current state of the art or best practices. Therefore, it is recommended that you purchase a copy of ISO 10816-7 from a reputable source and use it in accordance with the terms and conditions of the license.


Conclusion




ISO 10816-7 is a standard for evaluating vibration on rotodynamic pumps for industrial applications with nominal power above 1 kW. It defines the measurement and evaluation methods and the zones of vibration severity for pumps. It can help to ensure that pumps are operating within acceptable vibration levels and to identify potential problems that may affect their performance or reliability. However, ISO 10816-7 is not available for free download online, and you need to purchase a copy from the official ISO website or from a national standards body that is a member of ISO. You should also use ISO 10816-7 in accordance with the legal and ethical requirements of intellectual property rights.


If you want to learn more about ISO 10816-7 or other standards related to pump vibration, you can visit the following websites:



  • [ISO website]



  • [Europump website]



  • [Pump Vibration International Standards - Europump]