The two flat gate valves working independently have been specially developed forpumping concrete. Even concrete with aggregate grading up to 40mm can be pumped by with the concrete pump through a 125mm diameter pipe line. Integrated Control Block. The hydraulic control system is integrated within the drive.
A valve is a device that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically fittings, but are usually discussed as a separate category