ASTM F778-88(2001)

Standard Methods for Gas Flow Resistance Testing of Filtration Media

STANDARD published on 1.1.2001

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The information about the standard:

Designation standards: ASTM F778-88(2001)
Note: WITHDRAWN
Publication date standards: 1.1.2001
SKU: NS-56410
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM F778-88(2001) :

Keywords:

density, filters/filter procedures, flow and flow rate-filters, fluid meters, gas flow, guarded cylinder method, pressure testing-leaks, resistance-airflow, resistance-gas flow, gas flow resistance testing of filtration media, ICS Number Code 71.040.30 (Chemical reagents)

Additional information

1. Scope

1.1 The flow resistance of any fabricated filter device will depend on the flow resistance of the media used.

1.2 This standard offers procedures sufficient to determine the gas flow characteristics of flat specimens of media used in the filtration process. The methods are extended to include pleated specimens and bulk media as well.

1.3 In all cases, flow rates through the specimen are determined in accordance with procedures outlined in ASME "Fluid Meters." The test fluid is air.

1.4 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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

D645-D645M-97	Standard Test Method for Thickness of Paper and Paperboard
D585-97	Standard Practice for Sampling and Accepting a Single Lot of Paper, Paperboard, Fiberboard, and Related Product
D461-93	Standard Test Methods for Felt (Withdrawn 2004)
D685-22	Standard Practice for Conditioning Paper and Paper Products for Testing
E105-21	Standard Guide for Probability Sampling of Materials
D3574-17	Standard Test Methods for Flexible Cellular Materials´Slab, Bonded, and Molded Urethane Foams
D2905-97	Standard Practice for Statements on Number of Specimens for Textiles
D1777-96(2019)	Standard Test Method for Thickness of Textile Materials
D1776-08	Standard Practice for Conditioning and Testing Textiles
D737-18(2023)	Standard Test Method for Air Permeability of Textile Fabrics
E122-17(2022)	Standard Practice for Calculating Sample Size to Estimate, With Specified Precision, the Average for a Characteristic of a Lot or Process
“Fluid Meters,” Sixth Edition, 1971 Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, Two Park Ave., New York, NY 10016-5990, http://www.asme.org.

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