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3-Piece, 2-Ways Ball Valve The 3 piece design allows for the center part of the valve containing the ball, stem and seats to be easily removed from the pipeline. This facilitates efficient cleaning of deposited sediments, replacement of seats and gland packings, polishing out of small scratches on the ball, all this without removing the pipes from the valve body. The design concept of a three piece valve is for it to be repairable.
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