TABLE OF CONTENTS
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PREFACE
Thank you very much for purchasing World Chemical’s sealless and valveless self-
priming pump, SELFREE.
The pump is ideal for environments where general specification chemical liquids of
ordinary temperatures are used (i.e. non-electrolytic plating). The standard model is a
maintenance free pump that has no mechanical seal or bearing. This manual will
explain how operate and maintain your pump properly. Please read it to effectively use
your pump for an extended period.
HANDLING UPON RECEIPT
PREFACE …………………………………………………………………………..
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FEATURES
21
THE PRINCIPLE OF SELF-PRIMING
EXAMPLES OF USE
SPECIFICATION AND PERFORMANCE CURVES
DIMENSIONAL AND PARTS DRAWING
PRECAUTIONS IN HANDLING THE SELFREE
INSTALLATION AND PIPING
ORDER OF ASSEMBLY
ORDER OF DISASSEMBLY
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WARRANTY PERIOD AND COVERAGE …………………………………….....
REPAIR ……………………………………………………………………………...
MODEL DESIGNATION …………………………………………………………….
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21
17
10
9
8
5
4
3
2
1
1
1
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CONTACT INFORMATION
TROUBLESHOOTING …………………………………………………………….. 18
SAFETY PRECAUTION …………………………………………………………..
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