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GORMAN-RUPP PUMPS
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12B20-B/S1
GORMAN-RUPP PUMPS 12B20-B/S1 User Manual
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OM-06599-01
October 17, 2012
K
THE GORMAN‐RUPP COMP
ANY
D
MANSFIELD
, OHIO
www
.grpumps.com
GORMAN‐RUPP OF
CANADA LIMITED
D
ST
. THOMAS, ONT
ARIO, CANADA
Printed in U.S.A.
e
2012 The Gorman‐Rupp Company
INST
ALLA
TION, OPERA
TION,
AND MAINTENANCE MANU
AL
WITH
P
ARTS LIST
10 SERIES PUMP
MODEL
12B20-B /S1
2
Table of Contents
Table of Contents
3
Introduction
5
Safety - Section a
6
Installation - Section B
8
Pump Dimensions
8
Preinstallation Inspection
8
Positioning Pump
9
Lifting
9
Mounting
9
Clearance
9
Suction and Discharge Piping
9
Materials
9
Line Configuration
9
Connections to Pump
9
Gauges
10
Suction Lines
10
Fittings
10
Strainers
10
Sealing
10
Suction Lines in Sumps
10
Suction Line Positioning
10
Discharge Lines
11
Siphoning
11
Valves
11
Bypass Lines
11
Automatic Air Release Valve
12
Alignment
13
Coupled Drives
13
V-Belt Drives
14
Operation - Section C
15
Priming
15
Starting
15
Rotation
15
Operation
16
Lines with a Bypass
16
Lines Without a Bypass
16
Leakage
16
Liquid Temperature and Overheating
16
Strainer Check
16
Pump Vacuum Check
16
Stopping
17
Cold Weather Preservation
17
Bearing Temperature Check
17
Troubleshooting - Section D
18
Preventive Maintenance
20
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GORMAN-RUPP PUMPS 12B20-B/S1 Specifications
General
Brand
GORMAN-RUPP PUMPS
Model
12B20-B/S1
Category
Water Pump
Language
English
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