BS 7294:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Methods for determination of flow-rate characteristics of pneumatic fluid power components
Hardcopy , PDF
11-30-2013
English
06-29-1990
National foreword
Committees responsible
Method
1. Scope
2. Normative references
3. Definitions
4. Symbols and units
5. Test installation
6. Test procedures
7. Presentation of test results
8. Identification statement
Annexes (normative)
A. Errors and classes of measurement accuracy
Annexes (informative)
B. General information
C. Basic theoretical equations
D. Use of practical units
Tables
1. Symbols and units
2. Subscripts and superscripts
3. Key to test circuit components
4. Typical dimensions of pressure-measuring tubes
5. Permissible variations in indicated values of
upstream parameters
A.1 Permissible systematic errors of measuring
instruments as determined during calibration
D.1 Practical units
Figures
1. Test circuit for components with inlet and outlet
ports
2. Test circuit for components which exhaust directly
to atmosphere
3. Pressure measuring tube
4. Plot of mass flow rate against upstream pressure
B.1 Typical representation of mass flow rate against
pressure ratio
B.2 General presentation of mass flow rate against
pressure ratio
B.3 Method of presentation used in this International
Standard
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