In general, vertical hydraulic jacks are designed for vertical movement, flat use may affect its performance, and improper use will also have safety risks. Therefore, it is recommended to use it correctly according to the operation requirements in the product manual. If you need to use it flat, you can consider choosing a horizontal hydraulic jack.
The answer is as follows: Vertical hydraulic jacks generally should not be placed flat, because this may cause the seal of the hydraulic jack to be damaged, thus affecting the normal use of the hydraulic jack. It is recommended that it be placed upright when in use and supported by a support frame or pallet to ensure safety and stability.