VED has acquired a great experience in the production of preformed mineral graphite seals, which has allowed to be specialized in the production of variou diameters and profiles according to the requirements and standards. The careful selection of raw materials and the expertise in valve maintenance has helped to improve more and more on the construction practices of pre-formed graphite sealing rings for valves. Having made a wide diversified range of diameters allows us, today, to respond to requests promptly with an entirely in-house production.  

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