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BS 7834:1995
Current
The latest, up-to-date edition.
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Specification for turbine meters used for the measurement of gas flow in closed conduits
Hardcopy , PDF
English
15-10-1995
Committees responsible
National foreword
Specification
1. Scope
2. Normative references
3. Definitions and symbols
4. Principle of the method of measurement
5. Flowrates
6. Meter construction
7. Pressure testing
8. Performance characteristics
9. Output and readout
Annexes
A. (informative) Recommendations for use
B. (informative) Other meter performance characteristics
C. (informative) Data computation and presentation
D. (informative) Field checks
E. (informative) Perturbations
Tables
1. Symbols and subscripts
2. Maximum flowrates and nominal sizes
3. Strength test duration
E.1 Relationship of DN1 to DN
Figures
E.1 Piping configurations for tests at low level perturbation
E.2 Location of half-area opening for tests at high level
perturbation
E.3 Flow conditioner to damp out high level perturbation
E.4 Alternative flow condition configuration to damp out high
level perturbation
E.5 Meter dimensions defining similarity for various size
meters
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