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NFPA T3.21.18 : 1994 : R2010

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

PNEUMATIC FLUID POWER - RECOMMENDED PRACTICE FOR CALIBRATION AND USE OF FLOWMETERS

Available format(s)

Hardcopy , PDF

Superseded date

18-05-2020

Language(s)

English

Published date

01-01-2015

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Symbols and abbreviations
5 Background on types of flowmeters
6 Background on methods of primary calibration
7 Other levels of calibration
8 Reference devices
9 Frequency of flowmeter calibration and limitations
10 Calibration procedures using sonic flow nozzles
   (or other sonic reference devices)
11 Calibration procedures using upstream subsonic
   flow nozzles (or other subsonic reference devices)
12 Calibration procedures using downstream subsonic
   flow nozzles (or other subsonic reference devices)
13 Correction factors
14 Flowmeter use and maintenance
15 Identification statement

Specifies methods of calibrating pneumatic flowmeters used in laboratories and in production testing for pneumatic fluid power components.

Committee
T3.21
DocumentType
Standard
Pages
14
ProductNote
Reconfirmed 2010
PublisherName
National Fluid Power Association
Status
Superseded
SupersededBy
Supersedes

ISO 5598:2008 Fluid power systems and components Vocabulary
ANSI B93.2 : 1986 GLOSSARY - FLUID POWER SYSTEMS AND PRODUCTS,
IEEE 268-1992 American National Standard for Metric Practice
ISO 11631:1998 Measurement of fluid flow Methods of specifying flowmeter performance

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