ASTM-E454 › Historical Revision Information
Standard Specification for Industrial Perforated Plate and Screens (Square Opening Series)
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This specification covers the various sizes of square opening perforated plates and screens for general industrial uses, including the separating or grading of materials according to designated nominal particle size, and lists standards for openings punched with various bar sizes and thicknesses of plate for various grades of service. This specification does not apply to perforated plate or screens with round, hexagon, slotted, or other shaped openings.
Scope
1.1 This specification covers the sizes of square opening perforated plate and screens for general industrial uses, including the separating or grading of materials according to designated nominal particle size, and lists standards for openings from 5 in. (125 mm) to 0.127 (1/8 ) in. (3.35 mm) punched with bar sizes and thicknesses of plate for various grades of service. Methods of checking industrial perforated plate and screens are included as information in Annex A3.
1.2 This specification does not apply to perforated plate or screens with round, hexagon, slotted, or other shaped openings.
1.3 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.
1.4 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.
FIG. 1 Unfinished End Pattern Finished End Pattern
Keywords
 industrial perforated plate; industrial screens; openings; particle size; perforated openings; perforated plate; screens
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19.120 (Particle size analysis. Sieving Including test sieves and porosimetry)
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Document Number
ASTM-E454-12
Revision Level
2012 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
July 1, 2012
Document Type
Specification
Page Count
10 pages
Committee Number
E29.01