Breakdowns and leaks can be harmful to Organik Kimya’s bottom line not only in lost in-service time and injury to site personnel and the environment, but in the amount it costs to actually clean up the leak and the pump. “If we have to open up a pump, we have to flush it every time and flushing takes time and a lot of money, and also creates a lot of safety issues,” said van Oostveen. “We have to flush the complete system, remove the pump and flush it again to make sure there are no chemicals inside it before we can even open up the pump; it takes a lot of work. Even a very small spill, you can smell it, and every time we have a spill, you have to take the people out of the area, someone has to investigate it and every time that happens it can take half an hour, which is not good because it is costing us money.”
Additionally, the pumps must also be Atex-certified since they are handling potentially flammable materials. This also means that the pumps cannot generate any excessive heat when they are operating, as this heat could ignite the flammable materials, which could lead to a whole other set of problems for the facility.
No Convincing Needed
Since 2007, the process of transferring a blend of monomers and water from the immersion vessels to the reactors has been handled by a quartet of C24i Series eccentric disc pumps from Mouvex. The pumps were supplied to Organik Kimya by Verder. For more than a century, Verder has been a distributor of positive displacement pump technologies for use in various industries, including chemical processing, food and beverage, and water/wastewater.
The Mouvex C24i pumps are ideal for Organik Kimya’s needs because they feature a seal-free design that does not require a mechanical seal, packing or magnets, which eliminates leakage and reduces maintenance and downtime. They also operate via the unique Mouvex eccentric disc operating principle, which allows for consistent flow rates and improved energy savings. They are dry-run capable and can handle both low- and high-viscosity liquids, while their strong suction power allows them to successfully clear pipes of expensive materials and useable end products. The C24i model is specifically capable of delivering a flow rate of 24 m3/h (6,340 gph) at differential pressures to 9 bar (130 psi) and at speeds up to 460 rpm.
“Downtime in these types of plants costs a lot of money, a lot more money than the actual price of the pump,” said Rob Blok, Account Manager for Verder, which operates offices in every country in Europe, including four in The Netherlands. “If downtime is one or two hours, that can be € 50,000 to € 100,000 (US$ 54,500 to US$ 109,000). That’s why they chose the Mouvex pumps, for the reliability and the low maintenance costs. In the beginning, it is sometimes difficult to convince the customer, but they had experience with other pumps with a lot of cost and a lot of downtime, but with this pump we just say try the pump and if it is not working we’ll take it back, but we have never had to take it back. This pump, it sells itself, and that is what’s good about the pump.”
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