We repair cylinders (including AGC and oscillation), pumps, motors, and valves. We also have full engineering, field service, and fabrication departments. What type of hydraulic problems do you have? Critical cylinders? Large pumps? Hydraulic circuit issues? Make these worries go away. Stop and talk to us. We can help solve problems in your mill. Dover Hydraulics is a comprehensive resource for all of your hydraulic service needs. Dover Hydraulics also serves North American steelmakers as A.L.B.A. authorized service center and distributor. ALBA is a leader in the design and manufacture of torch cutting equipment for the metals industry.