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General type harrow head mainly include main body of harrow head and self-adjusting adjust cover installed on main body.It can loose soil under the work role of harrow tooth on adjust cover and water column water column supplied by special nozzle,water diversion window on adjust cover which can be mechanical adjusted can provide appropriate dredge water when conveying mud.
Harrow head welded of high-tensile structural steel,its harrow tooth is made of high wear resisting cast steel,installed in the adjust cover along with the full width mouth water type decorates ,In key parts are using rustproof material to be made. |
