Shop / Hoist Parts / Rotary Flow Control Valve “Buttonhead Screw” has been added to your cart. View cart Rotary Flow Control Valve$221.60 Out of stock SKU: TH-N344-1 Category: Hoist Parts Related products Rotary 6-1/2″ Bronze & TFE Bearing Ring $201.44 Add to cart Challenger 8-1/2″ Bearing $236.75 Add to cart 8mm Delrin Ball $0.51 Add to cart 3/8″ Spring $4.03 Add to cart