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15.4 Materials for pump parts 252
15.5 Material specifications for pump parts 253

16 Conversion Tables and Formulae 259
16.1 Conversion tables 259
16.1.1 Length 260
16.1.2 Area 260
16.1.3 Volume 260
16.1.4 Velocity 262
16.1.5 Capacity 263
16.1.6 Pressure or head 264
16.1.7 Energy, work, heat 265
16.1.8 Power 266
16.1.9 Mass 267
16.2 Useful formulae 268
16.2.1 Head-pressure relationship 268
16.2.2 Power calculation 268
16.2.3 The affinity laws 268
16.2.4 Pressure in a static head system 268
16.2.5 Pressure in a flowing system 269
16.2.6 The effect of capacity change on pipe
friction 269
16.2.7 The effect of head change on the flow rate 269
16.2.8 The effect of changes in pipe diameter on
the friction in a system 269
16.2.9 The effect of changes in pipe diameter on
the flow rate in a system 270
16.2.10 Total head in a system 270
16.2.11 Net positive suction head available from
a system 270
16.2.12 Impeller specific speed 270
16.2.13 Suction specific speed 271
16.2.14 Calculation of grease service life 271
16.2.15 L- 10 bearing life calculation 271
16.2.16 Slurry specific gravity 271

Bibliography 273
Index 275

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