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E2814 covers the special grade of industrial woven wire cloth, referred to as filter cloth, for general filtration including the separation of solids from fluids (liquids or gases).
Filter cloth can be made of any primary metal or metal alloy wire that is suitable for weaving. There was no existing standard for filter cloth, which is a widely used material in industrial filtration.
The purpose of the guide is to introduce standard terms and definitions, observe common technical considerations that a user should be aware of, and to present a mathematical model that can be used to predict the micron retention or separation particle size of any filter cloth specification a user and producer wish to develop.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
Significance and Use
Industrial filter cloth is a specialized product that can be manufactured in many specifications. The purpose of this guide is to (1) introduce standard terms and definitions associated with wire filter cloth, (2) observe common technical considerations that a user should be aware of, and (3) present a mathematical model that can be used to predict the micron retention of a filter cloth specification. As often numerous specifications may be developed to result in a common micron retention by varying the weave type, mesh count, and wire diameters, it is recommended that the user consult with their filter cloth supplier regarding specific filter cloth specifications of interest and include in their discussions durability, pressure drop, and cleaning capability requirements. The purpose of this guide is not to suggest a limited selection of specifications.
The micron retention of a filter cloth specification can be mathematically modeled as well as determined by the use of a glass bead test or the bubble-point test method or both depending on the degree of fineness. Typical standard bubble-point test methods (porometry) include Test Methods F316 and SAE ARP901.
1.1 This guide covers the special grade of industrial woven wire cloth, referred to as filter cloth, for general filtration including the separation of solids from fluids (liquids or gases), based on a desired particle size retention. Filter cloth can be made of any primary metal or metal alloy wire that is suitable for weaving.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
E1638 Terminology Relating to Sieves, Sieving Methods, and Screening Media
E2016 Specification for Industrial Woven Wire Cloth
F316 Test Methods for Pore Size Characteristics of Membrane Filters by Bubble Point and Mean Flow Pore Test
SAE StandardsARP901 Bubble-Point Test Method
ICS Number Code 19.120 (Particle size analysis. Sieving)
UNSPSC Code 40161805(Filter cloth)