Translation of some parameters related to reciprocating pumps
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I’ve been translating some documents related to reciprocating pumps recently, and since this is my first time dealing with pumps, there are many things I don’t understand. I would like to ask the experts: SCOPE OF SUPPLY – Cavitation protection PT100 probe; Cavitation protection device PT100 probe; Leak detection PT100 probe; Leakage detection device PT100 probe; Cool down lock-up PT100 probe. It’s powered by a two-speed motor or VDF. I’m not sure what a two-speed motor and VDF are. The Chinese portions above are my own interpretations; please correct me if I’m wrong.
VDF stands for: variable-frequency drive, which is a frequency conversion drive
Powered by a two-speed motor or a VDF two-speed motor – a motor with two adjustable speed levels (allowing adjustment of both speeds); VDF – variable-frequency motor (with adjustable speed throughout its operation)
Two-speed motor – a motor with two speed settings; VDF – variable frequency drive motor, which means that the pump’s speed can be adjusted.