Metrologia

In troduc tion
PUMP USER'S GUIDE II

Wilden’s Pump User’s Guide II (PUG II) was designed to familiarize you with the operation and mechanics of Wilden air-operated double diaphragm pumps and accessories. This guide is to be used as a supplement to your pump’s Engineering, Operation and Maintenance manual (EOM). The PUG II is a resource for the following: pump operation principles, applicationalternatives, air distribution systems, elastomers, pump selection, pump designation system, pump performance, pump installation, pump operation, troubleshooting, and pump maintenance. In addition, a list of applicable pump accessories, pump warranty, and safety precautions are discussed. For best results, this guide should be used in conjunction with the EOM manual specific to your pump model.TT4946 Pump User’s Guide II 5/06

Wilden Pump & Engineering, LLC

Table of Con ten t s
PUMP USER'S GUIDE II

1 The Wilden Pump
Air-Operated Double-Diaphragm Pump ............2 How It Works .................................3 Pump Availability Charts ................6 Why Buy a Wilden .......................12

2 Site Selection
Self-Priming ..................................15 PositiveSuction Head ..................15 Submerged ...................................15

Total Dynamic Head Calculation.......................74 Chemical Compatibility ................74 Temperature Limitations ..............75 Abrasion Resistance ....................75 Cavitation .....................................76 Total Dynamic Head Worksheet ..77 Pump Designation System ...........78

8Installation
Pre-Installation Checklist .............83 Suggested Installation .................84 Electrical Hazards.........................86 Temperature Hazards ...................86 Hazards Generated by Noise .......86 Hazardous Materials ....................87 Chemical Compatibility ................87 Accu-Flo™ Installation .................87

3 Air Distribution SystemsTurbo-Flo™....................................17 Pro-Flo® .........................................19 Accu-Flo™ ....................................20 Solenoid Coil Options...................21 Uni-Flo™ .......................................22 Pro-Flo V™ ....................................23

4 Elastomers
Rubber Compounds ......................25 Ultra-Flex™ Diaphragms ...........26 ThermoplasticCompounds...........27 PTFE ..............................................28 Specialty Diaphragms ..................28

9 Maintenance
Disassembly/Reassembly ............91 Inspection .....................................92 Mean Time to Failure ...................92 Seal Replacement .......................92 Disassembly Overview .................93

5 Torque / Shaft Specs
Accu-Flo™....................................31 High Pressure ...............................37 Pro-Flo® .........................................38 Pro-Flo V™ ....................................50 Turbo-Flo™....................................56

10 Wilden Accessories
SD Equalizer® Surge Dampener .......................97 Flow Control System II™ ..............98 Solenoid Pump Controller I™ .......99 Wil-GardII™...............................100 Drum Pump Kit ...........................100 Automatic Powder Valve ............101 2 for 1 System ............................101 Air-Tech™ Pneumatic Pump Controllers ....................101 Troubleshooting......................105 Chemical Resistance Guide..109 Warranty ...................................179 Safety Supplement ................181

6 Diaphragm AssemblyIntroduction ..................................63 Rubber/TPE Fitted Pumps ...........64 Ultra-Flex™ Fitted Pumps.............64 PTFE-Fitted Pumps........................65

7 Pump Selection
Pump Selection Charts .................67 Pump Size .....................................72 Solids Handling Capability ...........72 Suction Lift ...................................72 Performance Curves...