ASTM-E674 › Standard Specification for Industrial Perforated Plate and Screens (Round Opening Series)
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This specification covers the various sizes of round 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 plates or screens with square, hexagon, slotted, or other shaped openings.
1.1 This specification covers the sizes of round 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 0.020 in. (500 μm) 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 .
1.2 This specification does not apply to perforated plate or screens with square, 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.
industrial perforated plate; industrial screens; openings; particle size; perforated openings; perforated plate; screens;; ICS Number Code 19.120 (Particle size analysis. Sieving)
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2012 R16 EDITION
July 1, 2016