Advantage: Hidraulic control valve with fixed inductive diaphragm inside, closed or opened by Hidraulic controling. Y Type Designed, Big Channel and large discharge, small head lose, Response sensitivity and High precision for adjustment. Flexible inductive diaphragm and guide of valve core fixed well, corrosion resistance and no deformation. Easy to operate as hidraulic controling, save effort to close or open and convenient maintenance. Produced by Reinforced plastic material with excellent hydraulic and mechanical function, use for long time
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