Most Standard Pump drum pumps are similarly designed. This video shows the disassemble and reassemble the polypropylene pump
Video: Disassembly/Assembly of Polypropylene Pump (SP-PPS-39) with SP-450V Motor
Note: there is no audio in this video
Video: Transfer of Toxic Liquid with Polypropylene Pump (SP-PPS-39)
Note: there is no audio in this video
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