ASTM-F778 2007

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F778-88(2007) Standard Methods for Gas Flow Resistance Testing of Filtration Media

Published By	Publication Date	Number of Pages
ASTM	2007	15

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Categories: 71.040.30 - Chemical reagents, ASTM

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Description

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.

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.

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PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	Summary of Methods Significance and Use General Requirements Sampling Number of Specimens
3	FIG. 1
4	Conditioning of Test Specimens Dimensional Measurement of Test Specimens Requirements for Method A
5	Test Apparatus Procedure
6	Requirements for Method B Test Apparatus Procedure FIG. 2
7	Calculation FIG. 3
8	Report
9	Precision and Bias FIG. 4
10	A1. SIMPLE SPECIMEN CLAMPING SUGGESTIONS FOR VARIOUS TYPES OF FLAT MEDIA—METHOD A FIG. A1.1 FIG. A1.2 FIG. A1.3
11	FIG. A1.4 FIG. A1.5 FIG. A1.6
12	A2. PLEATED SPECIMEN MOUNTING—METHOD A FIG. A1.7 FIG. A1.8

Additional information

Standard Title	F778-88(2007) Standard Methods for Gas Flow Resistance Testing of Filtration Media
Published Code	ASTM
Publication Date	2007
Pages Count	15
ICS Codes	71.040.30 - Chemical reagents

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