
Table of Contents
1 Introduction and Safety ....................................................................................................................................3
1.1 Safety ........................................................................................................................................................3
1.1.1 Safety terminology and symbols ..................................................................................................... 4
1.1.2 User health and safety .................................................................................................................... 4
1.1.3 Safety regulations for Ex-approved products in potentially explosive atmospheres ....................... 7
1.1.4 Product warranty .............................................................................................................................9
2 Transportation and Storage............................................................................................................................ 11
2.1 Receive the unit....................................................................................................................................... 11
2.2 Unpack the unit ....................................................................................................................................... 11
2.3 Pump handling ........................................................................................................................................ 11
2.3.1 Lifting methods.............................................................................................................................. 11
2.4 Pump storage requirements .................................................................................................................... 12
2.4.1 Prepare the pump for long-term storage ....................................................................................... 13
3 Product Description ........................................................................................................................................14
3.1 General description .................................................................................................................................14
3.2 Nameplate information ............................................................................................................................14
4 Installation........................................................................................................................................................17
4.1 Pre-installation......................................................................................................................................... 17
4.2 Pre-installation......................................................................................................................................... 17
4.2.1 Inspect the sub-base.....................................................................................................................17
4.2.2 Concrete foundation requirements................................................................................................18
4.2.3 Piping checklists............................................................................................................................21
4.3 Installing a partially-assembled pump .....................................................................................................22
4.4 Installing the bowl assembly, Install unassembled pump elements ........................................................ 23
4.5 Column installation .................................................................................................................................. 24
4.5.1 Install the open lineshaft ...............................................................................................................24
4.5.2 Install the threaded coupling ......................................................................................................... 25
4.5.3 Installing the column - enclosed lineshaft .....................................................................................25
4.6 Installing the discharge head................................................................................................................... 26
4.7 Stuffing box installation ........................................................................................................................... 27
4.7.1 Installing the type A and B stuffing boxes ..................................................................................... 28
4.8 Mechanical seal options .......................................................................................................................... 29
4.8.1 Assemble a single inside-mounted mechanical seal.....................................................................29
4.8.2 Assemble a single outside-mounted mechanical seal ..................................................................30
4.9 Install the tube tension plate.................................................................................................................... 31
4.9.1 Tension the enclosing tube............................................................................................................32
4.9.2 Install the tension nut .................................................................................................................... 33
4.10 Install a solid-shaft driver....................................................................................................................... 34
4.10.1 Install the coupling hub ...............................................................................................................38
4.10.2 Impeller adjustment.....................................................................................................................38
4.10.3 Adjust the impeller for a solid-shaft driver ................................................................................... 40
4.10.4 Adjust the impeller for a hollow-shaft driver ................................................................................ 41
4.11 Installation and startup checklist............................................................................................................ 42
4.12 Optional Erection and Rigging of Individual Components ..................................................................... 45
Table of Contents
Model VCW Installation, Operation, and Maintenance 1