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Due to the special fibre compound and the proprietary lubricant mix, the Sealing Compound System DVS seals stuffing boxes for nearly all applications with excellent performance. The loose compound will be hold in place by a top and bottom ring, typically made of hydrolysed polyurethane HPU with a special developed geometry. Therefore extrusion of the Sealing compound is prevented and can not cause a premature failure of the DVS Sealing Compound System. Contrary to braided packing the DVS needs little maintenance only. Due to its loose and pliable structure it is absolutely gentle to the shaft or shaft sleeve surface.