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Standard Specification for Industrial Perforated Plate and Screens (Square Opening Series)
Automaticky přeložený název:
Standard Specification pro průmyslovou perforovanou deskou a obrazovek (čtvercový otvor Series)
NORMA vydána dne 15.6.2012
Označení normy: ASTM E454-12
Poznámka: NEPLATNÁ
Datum vydání normy: 15.6.2012
Kód zboží: NS-46841
Počet stran: 10
Přibližná hmotnost: 30 g (0.07 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
&numsp,industrial perforated plate, industrial screens, openings, particle size, perforated openings, perforated plate, screens, ICS Number Code 19.120 (Particle size analysis. Sieving)
1. 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.
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