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ASTM F431-04

(Specification)

Standard Specification for Air Performance Measurement Plenum Chamber for Vacuum Cleaners

Standard Specification for Air Performance Measurement Plenum Chamber for Vacuum Cleaners

ABSTRACT
This specification covers the acceptable design details for the plenum chamber used in specified air performance measurement tests for vacuum cleaners. Plenum chambers conforming to this specification shall be fabricated in accordance with the dimensions, tolerances, and notes indicated for the following components: plenum chamber assembly; orifice plate; orifice plate holder and assembly; manometer connection; and acceptable machined edges for orifice plates.
SCOPE
1.1 This specification covers the acceptable details and tolerances for the plenum chamber used in specified air performance measurement tests for vacuum cleaners.
1.2 The plenum chamber is designed for vacuum measurements only. (Warning—The plenum chamber has been shown to accurately determine maximum air power values at various test points for vacuum cleaners. There is a possibility that the airflow values measured with orifices larger than 2 in. at high flow rates may be erroneous due to the proximity of the top and bottom surfaces to the orifice plate inlet.)
1.3 The foot-pound, inch system of units is used in this standard. The values in parentheses are given for information only.

General Information

Status
Historical
Publication Date
31-Jul-2004
Technical Committee
F11 - Vacuum Cleaners
Drafting Committee
F11.22 - Air Performance
Current Stage
Ref Project

Relations

Replaces
ASTM F431-03 - Standard Specification for Air Performance Measurement Plenum Chamber for Vacuum Cleaners
Effective Date
01-Aug-2004
Replaced By
ASTM F431-04(2008) - Standard Specification for Air Performance Measurement Plenum Chamber for Vacuum Cleaners
Effective Date
01-Nov-2008
Referred By
ASTM F884-01(2023) - Standard Test Method for Motor Life Evaluation of a Built-In (Central Vacuum) Vacuum Cleaner
Effective Date
01-Aug-2004
Referred By
ASTM F922-01(2023) - Standard Test Method for Motor Life Evaluation of an Electric Motorized Nozzle
Effective Date
01-Aug-2004
Referred By
ASTM F820-21 - Standard Test Method for Measuring Air Performance Characteristics of Central Vacuum Cleaning Systems
Effective Date
01-Aug-2004
Referred By
ASTM F2105-21 - Standard Test Method for Measuring Air Performance Characteristics of Vacuum Cleaner Motor/Fan Systems
Effective Date
01-Aug-2004
Referred By
ASTM F1692-01(2023) - Standard Test Method for Life Evaluation of a Turbine-Powered Nozzle for Household Central Vacuum Cleaning Systems
Effective Date
01-Aug-2004
Referred By
ASTM F558-21 - Standard Test Method for Measuring Air Performance Characteristics of Vacuum Cleaners
Effective Date
01-Aug-2004
Referred By
ASTM F555-01(2023) - Standard Test Method for Motor Life Evaluation of an Upright Vacuum Cleaner
Effective Date
01-Aug-2004
Referred By
ASTM F1038-02(2023) - Standard Test Method for Motor Life Evaluation of a Canister, Hand-held, Stick, and Utility Type Vacuum Cleaner Without a Driven Agitator
Effective Date
01-Aug-2004
Referred By
ASTM F1601-01(2023) - Standard Test Method for Motor Life Evaluation of an Electric Motorized Nozzle for Central Vacuum Cleaning Systems
Effective Date
01-Aug-2004

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ASTM F431-04 - Standard Specification for Air Performance Measurement Plenum Chamber for Vacuum CleanersASTM F431-04 - Standard Specification for Air Performance Measurement Plenum Chamber for Vacuum Cleaners
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ASTM F431-04 - Standard Specification for Air Performance Measurement Plenum Chamber for Vacuum Cleaners
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
An American National Standard
Designation: F 431 – 04
Standard Specification for
Air Performance Measurement Plenum Chamber for Vacuum
1
Cleaners
This standard is issued under the fixed designation F 431; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope F 820 Test Method for MeasuringAir Performance Charac-
teristics of Central Vacuum Cleaning Systems
1.1 This specification covers the acceptable details and
2.2 ASTM Adjunct:
tolerances for the plenum chamber used in specified air
3
Orifice Plate Holder Details (F 431)
performance measurement tests for vacuum cleaners.
1.2 The plenum chamber is designed for vacuum measure-
3. Details
ments only. (Warning—The plenum chamber has been shown
3.1 Plenum chambers conforming to this specification shall
to accurately determine maximum air power values at various
be fabricated in accordance with the dimensions, tolerances,
test points for vacuum cleaners. There is a possibility that the
and notes shown in the following figures:
airflow values measured with orifices larger than 2 in. at high
3.1.1 Plenum chamber assembly, see Fig. 1.
flowratesmaybeerroneousduetotheproximityofthetopand
3.1.2 Orifice plate detail, see Fig. 2.
bottom surfaces to the orifice plate inlet.)
3.1.3 Orifice plate holder and assembly, see Fig. 3.
1.3 The foot-pound, inch system of units is used in this
3.2 Manometer connection detail, see Fig. 1(f), Note 17.
standard. The values in parentheses are given for information
only.
4. Orifice Plates
4.1 Orifice plates conforming to this specification shall be
2. Referenced Documents
2
fabricated in accordance to the dimensions, tolerances, and
2.1 ASTM Standards:
notes shown in the following figure:
F 558 Test Method for MeasuringAir Performance Charac-
4.1.1 Orifice plate dimensional detail, see Fig. 2(a).
teristics of Vacuum Cleaners
4.1.2 Acceptable machined edges for orifice plates, see Fig.
2(b).
1
This specification is under the jurisdiction of ASTM Committee F11 on
Vacuum Cleaners and is the direct responsibility of Subcommittee F11.22 on Air
5. Keywords
Performance.
5.1 air performance; orifice plate; plenum chamber; vacuum
Current edition approved Aug. 1, 2004. Published August 2004. Originally
approved in 1975. Last previous edition approved in 2003 as F 431 – 03. cleaner
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Available from ASTM International Headquarters. Order Adjunct No.
the ASTM website. ADJF4031.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
F431–04
FIG. 1 (a) Plenum Chamber (Material: see Note 8)
FIG. 1 (b) Hose Connector Plate (Material: 0.250-in. (6.35-mm) Steel) (continued)
2

---------------------- Page: 2 ----------------------
F431–04
FIG. 1 (c) Hose Connector (Material: Aluminum or Steel—see Note 16) (continued)
FIG. 1 (d) Flange Plate (Material: 0.250-in. (6.35-mm) Steel) (continued)
3

---------------------- Page: 3 ----------------------
F431–04
FIG. 1 (e) Cleaner Plate (Material: 0.250-in. (6.35-mm) Steel) (continued)
4

---------------------- Page: 4 ----------------------
F431–04
NOTE 1—All dimensions are measured from inside surfaces.
NOTE 2—Interior must be clean, smooth, and free of projections or recesses on walls or attachment openings. Internal bracing should not be used to
support plenum chamber walls.
NOTE 3—Attachment port edge to be smooth and well rounded.
NOTE 4—Orifice box must withstand 180 in. of water (336 mm Hg) negative static pressure without significant distortion of walls or joints after
chamber is completely fabricated and attachment made.
NOTE 5—All joints and connections must be airtight.
NOTE 6—Tolerances (unless otherwise specified): one-place decimal 60.031 in. (0.080 mm); two-place decimal 60.01 in. (0.25 mm); three-place
decimal 60.005 in. (0.13 mm).
NOTE 7—Flange plate and manometer connection to be welded to chamber completely around the sides.
NOTE 8—Plenum chamber minimum material specification 0.187 in. (4.75 mm) thick low carbon steel.
NOTE 9—0.060 in. (1.52 mm) thick rubber seal dimensioned similar to flange plate should be used to seal cleaner and hose connector plates.
NOTE 10—Bore 0.375 in. (9.54 mm) through hole in plenum chamber for manometer connection and 3.000-in. (76.20-mm) diameter hole for orifice
plate assembly.
NOTE 11—All mating holes to be concentric to wi
...

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