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9.1.2 Submersible pump 144
9.1.3 Priming the pump 145
9.1.4 Air operated double diaphragm pump 146
9.1.5 Horizontal centrifugal pump 147
9.1.6 Self-priming pump 148
9.2 Vertical turbine pumps 150
9.2.1 Vertical pump bowl assembly 152
9.2.2 Vertical pump column 153
9.2.3 Pump discharge head 154
9.2.4 Vertical pump performance 154
9.2.5 Vertical pump sump requirements 155
9.2.6 Vertical pump design considerations 156
9.3 Magnetic drive pumps 156
9.3.1 Pump bearings 157
9.3.2 Temperature considerations 158
9.3.3 Decoupling 158
9.3.4 Failure costs 159
9.4 Positive displacement pumps 159
9.4.1 The piston pump 159
9.4.2 The diaphragm pump 160
9.4.3 The gear and lobe pump 161
9.4.4 Screw pumps 162
9.4.5 Progressive cavity pump 163

10 Pump Installation and Piping 165
10.1 Installation 165
10.1.1 Location 165
10.1.2 Receiving 165
10.1.3 Handling 166
10.1.4 Foundation leveling 166
10.1.5 Mounting the baseplate 167
10.1.6 Cement based grouting 167
10.1.7 Epoxy based grouting 168
10.1.8 Pregrouted baseplates 168
10.2 Piping considerations 168
10.2.1 Location 169
10.2.1.1 Pipe size 169
10.2.1.2 Suction elbows 170
10.2.1.3 Straight pipe 171
10.2.1.4 Air pockets 171
10.2.1.5 Suction source design 172
10.2.1.6 Pipe strain 172

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