NORMEX Ball type (non-return valve)was the first valves atNormex with a unique design. A very simple but robust design with no critical mechanism involved. All parts like hinge-pin-disc mechanism used in conventional valve are eliminated, and Normex has put in a reinforced rubber coated ball to arrest flow media in return condition. This ball, moves totally out of the flow path when the pumping is on to give minimum head losses. The spherical rubber coated ball seals perfectly on the rounded valve seat ensuring a totally leak proof sealing. This design offers other advantages like non-clogging & self cleaning. In this virtually maintenance free valves, if required, after prolonged usage, the on-line replacement of the ball is just a minute job.
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in section "Ball сheck valves"
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