Cooperating organizations
Foreword
Section one: General
1. Scope
2. Classes of measurement
Section two: Symbols and terminology
3. Symbols
4. Terminology
Section three: Test procedure and standard installation
conditions
5. Hydraulic pressure test
6. Duration and range of performance test
7. Control of head
8. Test arrangements
a. Standard test conditions
b. Pumping installation under standard conditions
c. Pumping installation under submerged
conditions
d. Borehole and deep-well pumps
e. Self-priming pumps
f. Pumping installation under non-standard
conditions
Section four: Procedure for measurement of head,
discharge, speed and power input
9. General
Sub-section A. Measurement of head
10. Pressure tappings and instrument connecting lines
a. Inlet head
b. Outlet head
c. Special layouts
11. Pump total head
12. Instruments for pressure measurement
Sub-section B. Measurement of discharge
13. General
14. Weighing tank method
15. Volumetric tank method
16. Uncalibrated orifice plates, venturi tubes and
nozzles
17. Uncalibrated notches, weirs and flumes
18. Dilution method of flow measurement - constant
rate injection
19. Velocity area method of flow measurement
Sub-section C. Measurement of speed and pump power input
20. Measurement of speed
21. Measurement of pump power input
a. Measurement of torque
b. Electric and grades and measuring devices
c. Types and grades of measuring devices
Sub-section D. Overall efficiency of a pumping unit
22. Overall efficiency
Sub-section E. Fluctuations and variations in readings
and limits of error
23. Permissible fluctuations in readings and use of
damping
24. Limits of error
Section five: Cavitation testing
25. General
26. Measurement of pressure
27. Measurement of temperature and vapour pressure
28. Measurement of discharge
29. Pump power input
30. Interpretation of results
Section six: Tests with vaporizing liquids
31. General
32. Method of test
Section seven: Tests with viscous liquids
33. General
34. Measurement of pressure
35. Measurement of discharge
36. Measurement of temperature
37. Measurement of viscosity
38. Permissible variation in viscosity
Section eight: Testing of pumps for liquids containing
suspended solids
39. General
40. Capability of dealing with solids
41. Measurement of duty and efficiency
42. Measurement of discharge
43. Measurement of weight density
Appendices
A. The estimation and analysis of limits of error
B. Effect of installations and conditions
C. Model testing and tests at modified speeds
D. Values of some U.K. units in terms of SI units
Tables
1. Types and grades of measuring devices
2. Maximum permissible fluctuations in readings for
class A, B and C measurements
3. Permissible damped fluctuations for Class A, B and
C measurements
4. Maximum permissible limits of uncertainty
5. Limits of variation between repeated measurements
of the same quantity
6. Permissible variations in kinematic viscosity
Figures
1. Illustration defining the positional datum for
different types of impeller pumps
2. Flow normalizer
3. Arrangements of single tappings and ring
connections for measurement of head using
manometer
4. Arrangement of single tappings and ring connections
for measurement of head using Bourdon gauges
5. Device for measuring pressure-plus-velocity head
and location of measuring points
6. Baffle tank and arrangement for varying inlet
pressure