Some times we use silent oil pump for our customers. Silent oil pump has below advantages:
not issue noisy, the sound it issues even lower we normally speaking.
if you choose silent pump, the inverter is needed inside control box. good thing is that inverter make lift running very smooth, it can accelerate speed slowly also it can let speed get down slowly. This will be good for lift structure.
because motor is inside oil tank, and not expose outside so the motor will be not easy to damage.
but there are also some disadvantages:
cost is higher than normal oil pump.
it is better put outside of the lift body for easy access to maintenance.
max. can be 5.5kw. if over 5.5kw the motor will be not stable enough.
sometimes during transportation some air blocked inside, and when you first start it, it may not pump oil.
For the 4th disadvantage point it is also easy to solve, attached is the video I made for solve this problem. Don't forget to open script when you watch this video.
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