Fast & Reliable Industrial Services For Every Task

Engineering, Maintenance And Repair Solutions

CallTech is an Algerian leader in minimizing equipment and asset downtime and maximizing performance by providing critical services for our customers.

All of our services are delivered by highly trained and certified technicians. We recognize that success is ultimately measured by our customers’ trust and confidence, which we earn every day by providing outstanding service and quality authentic parts.

From Transportation, Mining and Energy to Industry, we are well known as one of the most reliable maintenance contracting companies catering to the Oil & Gas, Refineries, Petrochemicals, Power & Water Sectors for mechanical, electrical, pneumatic, hydraulic and instrumentation maintenance services.

Customer Satisfaction Guaranteed

Recent Projects

Pressure Test Pipes & Tools for OFS Company

Rebuild Caterpillar Engine

Clients Feedback

ENERPAC – When Should You Replace Hydraulic Oil?

Over time and through repeated use, the hydraulic oil in your tools will degrade and become less effective. This is a normal process and happens for a few reasons.

The higher the pressure in a hydraulic system the more the oil will compress and degrade. But arguably, the most common reason is because of contamination. If you ignore the warning signs and do not replace the hydraulic oil the performance of your equipment may be affected, and the oil will lose its ability to defend against friction and corrosion.

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ENERPAC – Hydraulic Cylinder Repair

Hydraulic cylinder repair is not something you should try yourself. The consequences of a badly managed repair job could be severe. Not only could the cylinder fail during use, there is also the very real risk of serious injury during disassembly.

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