SANDSUN’s quality control engineer will have a long term pressure test of each batch of product samples for every month to ensure that the quality is good.
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Product Introduction
FAQ for Air Driven Hydraulic Pump Unit
Q: Can I just buy a single part on the hydraulic pump unit and replace it by myself?
A: Air Solenoid Valve, pressures switch and pump unit can be replace it by yourself. It's not recommended to replace other parts by yourself.
Q: If the hydraulic pump unit has special requirements, can it be customized?
A: Yes. It can be customized, and you need to provide information to SANDSUN for planning.
Q: How to know the specifications of old products.
A: Every product of SANDSUN will have a sticker with a serial number for tracking. If it has been used for a long time and the sticker is gone. You can provide a detailed photos of the old product for confirmation.
Q: Will be the tested for quality of hydraulic pump unit before shipment?
A: Yes. Hydraulic pump unit and non-leak valve need to test of holding pressures actuation for 24 hours. When assembled hydraulic pump unit also needs to test holding pressures actuation for 24 hours before shipment. (SANDSUN will record the holding pressures test data on the form.)
Q: How to ensure the quality of each hydraulic pump unit purchased
A: SANDSUN's quality control engineer will have a long term pressure test of each batch of product samples for every month to ensure that the quality is good.
