Hale Q Series Muscle User Manual
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Contents
Page
Table of Contents
3
MUSCLE (Midship) Pumps Installation, Operation, and Maintenance Manual
p/n: 029-0020-63-0
MUSCLE Pump (Midship) Operation and Maintenance
1
Safety Precautions................................................................................................. 13
1.1
Definitions......................................................................................................................... 13
1.2
Guidelines ......................................................................................................................... 14
2
Introduction ........................................................................................................... 19
2.1
Description........................................................................................................................ 19
2.2
Principle of Operation...................................................................................................... 19
Centrifugal Force .............................................................................................................................. 19
Figure 2-1: Centrifugal Force - Rotating Disk ..................................................................... 19
Pump Stages .................................................................................................................................... 20
Single-Stage............................................................................................................................... 20
Figure 2-2: Water Flow, Typical Hale Single-Stage Pump ................................................. 20
Figure 2-3: Single-Stage Pump Overview .......................................................................... 21
Two-Stage.................................................................................................................................. 22
Volume (Parallel) Operation....................................................................................................... 22
Figure 2-4: Two-Stage Pump VOLUME Operation............................................................. 22
Figure 2-5: Two-Stage Pump Overview.............................................................................. 23
Pressure (Series) Operation ...................................................................................................... 24
Figure 2-6: Two-Stage Pump PRESSURE Operation ........................................................ 24
Volume vs. Pressure Operation ................................................................................................. 24
Transfer Valve............................................................................................................................ 25
Choosing Volume or Pressure Operation .................................................................................. 25
General Guidelines .................................................................................................................... 25
2.3
Muscle Pump Components ............................................................................................. 26
Pump Body ....................................................................................................................................... 26
Qmax, Qmid, and Qtwo Pumps ................................................................................................. 26
Figure 2-7: Typical Midship Two-Stage Centrifugal Pump ................................................. 27
Qpak, Qflo and Qflo-Plus Pumps ............................................................................................... 27
Impeller ............................................................................................................................................. 27
Figure 2-8: Impeller Operation............................................................................................ 28
Clearance Rings ............................................................................................................................... 28
2.4
Pump Seals ....................................................................................................................... 28
Packing Seals ................................................................................................................................... 29
Figure 2-9: Pump Packing Seal Assembly ......................................................................... 29
Mechanical Seal ............................................................................................................................... 30
Figure 2-10: Mechanical Seal Assembly ............................................................................ 30