Dredge valve

There are 3 cases when this vertical valve can block or reduce the mixture flow of water and sand by lowering its gate: * 1.from the hopper of the TSHD to the discharge pipe. * 2.from the dredge cutter head of the CSD to the ship * 3.from the dredge drag head of the TSHD to the ship

Dredge valve

There are 3 cases when this vertical valve can block or reduce the mixture flow of water and sand by lowering its gate: * 1.from the hopper of the TSHD to the discharge pipe. * 2.from the dredge cutter head of the CSD to the ship * 3.from the dredge drag head of the TSHD to the ship