Prescribing Safe Solutions: Handling Waste Solvents Safely

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“At this site, we’ve used Almatec pumps for more than 25 years,” says Habeck. “The pumps are very reliable, that’s the main reason why we’ve used them for 25 years, and we also like that the pump is self-priming, it’s dry-run safe, and that we can pump liquids with particles in them. The pumps also produce a smooth flow, so nothing happens to the liquid and nothing happens to the pump.”

From the beginning, Roche had used Almatec A-Series AODD pumps for its solvent transfer applications. When a new hall for production operations involving solvents was built in 2013, the company decided to upgrade to the new E-Series AODD Pump from Almatec.

The E-Series pumps are a direct replacement for the A-Series models and earned their name because they are designed to be economical, ecological, efficient and ergonomic in operation. So, in October 2013, an E80 model and several E25 models were installed and began handling Roche’s solvent transfer needs.

Meeting Atex Requirements

The E-Series pumps are ideal for Roche because they feature solid-block construction in abrasion-resistant materials: polyethylene (PE) and polytetrafluoroethylene (PTFE/Teflon). The conductive pump models made from both polymers meet all Atex requirements, meaning that they are suitable for use when pumping flammable liquids.

The pumps utilize stainless steel ring technology, eliminating the need for mechanical seals, to increase protection from leaks through consistent compression around the ring’s exterior. The E-Series pumps also feature Almatec’s exclusive Perswing P air control system, which offers superior efficiency in terms of flowrates and air consumption compared with competitive brands.

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