This document specifies methods and procedures for determining the static performance of particulate
air filters used in air intake filter systems for rotary machinery such as stationary gas turbines,
compressors and other stationary internal combustion engines. It applies to air filters with an efficiency
of 85 % or more for the MPPS (EPA and HEPA filters) which are tested according to ISO 29463 (all parts)
and filters with a lower efficiency which are tested according to ISO 16890 (all parts). The procedures
described in both ISO 16890 (all parts) and ISO 29463 (all parts) are applied and extended by this
document to air filters which operate at flow rates within the range 0,24 m3/s (850 m3/h) up to
2,36 m3/s (8 500 m3/h).
Static filter systems normally use multiple stages of coarse, fine and optional EPA or HEPA filter elements
to protect the machinery. The scope of this document includes methods for performance testing of
individual filter elements. It does not include methods for the direct measurement of the performance
of entire systems as installed in service except in cases where they can meet the qualification criteria
for the test assembly. Nevertheless, cumulative filter efficiencies of multistage systems of fine filters
can be calculated by using the methods described in ISO 16890-1.
This document refers to static (barrier) filter systems but can also be applied to other filter types and
systems in appropriate circumstances, for example to evaluate the initial efficiency of cleanable and
surface loading filters.
The performance results obtained in accordance with this document cannot be quantitatively applied
(by themselves) to predict performance in service with regard to efficiency and lifetime

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ISO 19859:2016 specifies the minimum technical and documentation requirements for the evaluation and procurement of gas turbine systems for electrical power generation. It applies to simple cycle and combined cycle gas turbines for both onshore and offshore applications, where applicable. It also applies to gas turbines used in cogeneration (see ISO 11086:1996, Annex B). Testing of the gas turbine in combination with a generator is included in the scope. It is not applicable to gas turbines used for all types of propulsion including aircraft, mobile barges, floating production vessels and marine propulsion applications and microturbines. ISO 19859:2016 defines the requirements for gas turbine power generation from an international perspective based on the content of existing, recognized ISO and IEC standards to the greatest extent practical. Nonetheless, it is recognized that within the industry other codes or standards are used, some of which are included in the text of this International Standard. The use of other such codes and standards is permissible provided an appropriate and acceptable level of requirements, functional design and safety is achieved and agreement has been reached for their use between the Purchaser and Contractor and such use is suitably documented. Consideration should be given to applying/using standards in the following hierarchical order: international; regional; national; local. ISO 19859:2016 identifies the requirements for both the Purchaser and Contractor attributable to the design and procurement of a gas turbine power generation package. The defined requirements apply to the scope of supply, except where excluded, encompassing the following equipment and the associated selected options, located within the power generation package, (see 3.14), listed below: - gas turbine package; - load shaft coupling and clutch, as applicable; - air inlet system; - exhaust system; - fuel equipment; - control equipment; - electrical equipment; - additional auxiliary systems, including starting, lubrication, barring, compressor wash, pipework, drains and vents; - fire and gas protection; - cooling water equipment. Where applicable to the integrity of the gas turbine package, the interface and applicable design requirements are included for equipment, utilities and supplies that interface with the power generation package. The following equipment is excluded from the scope of supply, but references are included where required for interface or performance measurement: - generator and auxiliary systems, except the module control option; - steam turbine and auxiliary systems; - equipment external to the power generation package. Data sheets in Annex A of this International Standard are provided for defining requirements and exchanging information between the Purchaser and the Contractor. The Purchaser fills in the data sheets for the tender and forwards them to the Contractor. The Contractor responds by completing the applicable data sheets for their tender. Annex A identifies the different types of data sheets and how they are to be used. Where the Contractor does not comply with a selected requirement of this International Standard, this is detailed as an exception, referencing the applicable clause and describing the deviation and any alternatives available in a document listing all the exceptions taken. Where the text in this International Standard requests procedures and operating, maintenance and commissioning manual information or equipment that would require the disclosure/supply of proprietary information/equipment which the Contractor is not prepared to release, such exceptions are listed. Where this situation exists, the Contractor will be prepared to release appropriate personnel and equipment to undertake all the tasks that otherwise would be undertaken by the Purchaser. A bullet ● at the beginning of a paragraph in the text of this International Standard indicates an optiona

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This document specifies methods and procedures for determining the static performance of particulate air filters used in air intake filter systems for rotary machinery such as stationary gas turbines, compressors and other stationary internal combustion engines. It applies to air filters with an efficiency of 85 % or more for the MPPS (EPA and HEPA filters) which are tested according to ISO 29463 (all parts) and filters with a lower efficiency which are tested according to ISO 16890 (all parts). The procedures described in both ISO 16890 (all parts) and ISO 29463 (all parts) are applied and extended by this document to air filters which operate at flow rates within the range 0,24 m3/s (850 m3/h) up to 2,36 m3/s (8 500 m3/h).
Static filter systems normally use multiple stages of coarse, fine and optional EPA or HEPA filter elements to protect the machinery. The scope of this document includes methods for performance testing of individual filter elements. It does not include methods for the direct measurement of the performance of entire systems as installed in service except in cases where they can meet the qualification criteria for the test assembly. Nevertheless, cumulative filter efficiencies of multistage systems of fine filters can be calculated by using the methods described in ISO 16890-1.
This document refers to static (barrier) filter systems but can also be applied to other filter types and systems in appropriate circumstances, for example to evaluate the initial efficiency of cleanable and surface loading filters.
The performance results obtained in accordance with this document cannot be quantitatively applied (by themselves) to predict performance in service with regard to efficiency and lifetime.

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This standard specifies general requirements, test rig and equipment, qualification, test materials, test procedure and report for determining water endurance performance of air filter elements used in air intake filtration systems for rotary machinery such as stationary gas turbines, compressors and other stationary internal combustion engines

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This standard specifies general requirements, test rig and equipment, qualification, test materials, test procedure and report for determining water endurance performance of air filter elements used in air intake filtration systems for rotary machinery such as stationary gas turbines, compressors and other stationary internal combustion engines

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This International Standard describes a procedure of measuring the performance of general ventilation air cleaning devices in their end use installed configuration. The performance measurements include removal efficiency by particle size and the resistance to airflow. The procedures for test include the definition and reporting of the system airflow. The procedure describes a method of counting ambient air particles of 0,3 μm to 5,0 μm upstream and downstream of the in-place air cleaner(s) in a functioning air handling system. The procedure describes the reduction of particle counter data to calculate removal efficiency by particle size. Since filter installations vary dramatically in design and shape, a protocol for evaluating the suitability of a site for filter evaluation and for system evaluation is included. When the evaluated site conditions meet the minimum criteria established for system evaluation, the performance evaluation of the system can also be performed according to this procedure. This international standard for testing also describes performance specifications for the testing equipment and defines procedures for calculating and reporting the results. This standard is not intended for measuring performance of portable or movable room air cleaners or for evaluation of filter installations with and expected filtration efficiency at or above 99% or at or below 30% when measured at 0,4 μm.

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ISO 29461 specifies methods and procedures for determining the performance of particulate air filters used in air intake filter systems for rotary machinery such as stationary gas turbines, compressors and other stationary internal combustion engines. It applies to air filters having an initial particle efficiency up to 99,9 % with respect to 0,4 µm particles. Filters with higher initial particle efficiencies are tested and classified according to other standards (e.g. EN 1822). These procedures are intended for filters which operating at flow rates within the range 0,25 m3/s (900 m3/h) up to 1,67 m3/s (6000 m3/h).
ISO 29461-1:2013 refers to static (barrier) filter systems but can be applied to other filter types and systems in appropriate circumstances.
Two methods of determining the efficiency are used in ISO 29461-1:2013:
particulate efficiency (measured with respect to particle number and size);
gravimetric efficiency (percentage weighted mass removal of loading dust.
Also a flat sheet media sample or media pack sample from an identical filter is conditioned (discharged) to provide information about the intensity of the electrostatic removal mechanism.
After determination of its initial particle efficiency, the untreated filter is loaded with dust in steps until its final test pressure drop is reached. Information on the loaded performance of the filter is then obtained.
The performance results obtained in accordance with ISO 29461-1:2013 cannot be quantitatively applied (by themselves) to predict performance in service with regard to efficiency and lifetime. Other factors influencing performance to be taken into account are described in the annexes.

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ISO 29461 specifies methods and procedures for determining the performance of particulate air filters used in air intake filter systems for rotary machinery such as stationary gas turbines, compressors and other stationary internal combustion engines. It applies to air filters having an initial particle efficiency up to 99,9 % with respect to 0,4 µm particles. Filters with higher initial particle efficiencies are tested and classified according to other standards (e.g. EN 1822). These procedures are intended for filters which operating at flow rates within the range 0,25 m3/s (900 m3/h) up to 1,67 m3/s (6000 m3/h). ISO 29461-1:2013 refers to static (barrier) filter systems but can be applied to other filter types and systems in appropriate circumstances. Two methods of determining the efficiency are used in ISO 29461-1:2013: particulate efficiency (measured with respect to particle number and size); gravimetric efficiency (percentage weighted mass removal of loading dust. Also a flat sheet media sample or media pack sample from an identical filter is conditioned (discharged) to provide information about the intensity of the electrostatic removal mechanism. After determination of its initial particle efficiency, the untreated filter is loaded with dust in steps until its final test pressure drop is reached. Information on the loaded performance of the filter is then obtained. The performance results obtained in accordance with ISO 29461-1:2013 cannot be quantitatively applied (by themselves) to predict performance in service with regard to efficiency and lifetime. Other factors influencing performance to be taken into account are described in the annexes.

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