Protect Your Pistons! Hippo proves a hit for overseas hydraulics

  • Hippo
  • Case Study

We have been working with PT. Kelmer, a leading filtration service and supply company based in Jakarta, Indonesia. Providing cutting-edge contamination control systems, for both simple and more complex applications, they promote a total system cleanliness approach for a variety of industries.

PT. Kelmer were working on behalf of Commonwealth Steel, a company producing grinding media supplied to mining companies across Indonesia. They have several hydraulic press systems with inline filters already installed.

After 4 years of operation, and a reduction in operating efficiency, the maintenance engineer at Commonwealth Steel approached PT. Kelmer to undertake some analysis for their oil.

Hydraulic Oil Data

Type: AGIP ISO VG 32
Volume: 900l
Working years: 4 years

The results were concerning. Despite having inline filters already in situ, significant particulate contamination was identified at ISO 21/19/16 and, in addition, water contamination was found at 800ppm.

This level of contamination is capable of causing serious damage to many expensive components within the system, including proportional valves and hydraulic pistons. Concerned for their hydraulic presses and the imminent risk of system failure, a filtration system was commissioned.

After introducing them to our range, for PT. Kelmer, the answer was simple – Hippo filters would provide the perfect particulate and water removal solution whilst keeping costs down, both initial outlay and ongoing consumables.

They created an innovative solution using 2 Hippo pots in parallel as a kidney loop system, with a flow rate of 520 L/Hr and sitting on castor wheels for ease of manoeuvrability. All of this was in place within 2 weeks of the initial discussion.

After just 2 days of using the system to clean and dry the oil, a particle counter was used to monitor the cleanliness. The results showed significant improvement with cleanliness now at ISO 13/12/8 and water content down to an incredible 50ppm, outlining just how quickly and simply the Hippo filters were able to provide highly effective protection for the hydraulic presses