The hydraulic pipe crimper is constructed of steel with punching & forging process and powder-coated treatment. It is an integral hydraulic pipe crimping tool with a standard manual hydraulic pump. With a ball bearing springs inside the head, just simply slide in and out to change the crimping dies of different size to meet your various demand and make it the fastest solution for pipe maintenance and repair. The hydraulic copper pipe crimping tool is suitable for copper pipes, copper fittings & joints, copper sleeves. It is widely applied in electric power, traffic, petroleum, chemical engineering, mining, metallurgy, and shipbuilding areas. Thickened and insulated handles give you a comfortable and secure user experience. Fitted with an oil return valve, this hydraulic pipe tube crimping tool will release pressure automatically when reaching the max pressure. Provides stable crimping, low resistance, and high efficiency., Manufacturer: YTBHSHXZ