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The Practical P u m p i n g H a n d b o o k ==-- - - ' _____ ......... . ............ ............ _ ...................
training 182 net positive suction head
wear rings 205-6 available 55-6, 58-62,
maintenance hours 85 151-2,270
material classes for centrifugal net positive suction head
pumps in general refinery required (NPSHR) 5, 20,
services 249 25-6, 55-8, 62, 154-5
material selection data 248 non-clog pump 125
material specifications for pump nonmetallic pumps 13
parts 253
materials of construction oil lubrication 115-18
237-53 oil mist lubrication 117-18
for pumping various liquids oil ring lubrication 116-17
237-47 open impeller thrust loads 110
maximum head 19 operating performance 38-44
mechanical causes of vibration outside seal 96-7
chart 186
mechanical seals 83, 89-100 packing 87-9
balanced or unbalanced failure modes 194-5
94-6 maintenance 207
failure modes 195-7 procedures 213
flexibility options 92-4 paper stock pumping 131-41
fretting/non-fretting 94 determination of pump
installation 214 performance 136-41
leak paths 89-90 excessive discharge throttling
maintenance 207 133
matching seal to service medium density and high
90-1 density pumps 133-5
seal faces 91-2 parallel operation 42-4
see also specific types performance change, change of
medium density stock pumps electric motor for 25
133-5 performance curves 18-23, 37,
metal bellows seal 93 138
mines 125-7 special liquids 26-7
minimum flow point 22-3 viscous liquids 219-24
moment of inertia 29 petrochemical industry 151
multiple destination systems petroleum industry 173
79-80 pipe diameter effect
multiple parallel pump curves on flow rate in a system 270
43 on friction in a system 265
multiple springs seal 93 pipe fittings 173--4
multistage pump 43 pipe size 169-70
municipal waste management changes in system 34
applications 124-5 pipe strain 172-3
pipelines 125-7
net positive suction head piping flanges 172
(NVSH) 5S-6 piping layout design 168-9
Im 278
