Almost 19 years of experience now presents itself in the market of filtration, separation and valve technology called Plectrum. Plectrum is part of the Geha-Holland group, which is located in Nieuw-Amsterdam.Core business of Plectrum will be based on the many years of Ton Wolterinck's experience in this market. Main technologies are sustainable self-cleaning filtration systems and centrifugal technologies applied for the separation of solids from liquids, or the separating different liquids.Plectrum will also develop a new product-line Electro Magnetic Valves (EMV). These compact purge control valves are based on a patented technology by Geha-Holland. This development suits the market demand, to purge sludge from self-cleaning filters, on a more sustainable and easier way than now. With this new type EMV, we complete the range of filtration systems we can supply to our clients.Our mission is to provide the market of filtration, separation and valves with new concepts to operate sustainable and more efficiently.