Ultra-High Pressure Hand/Air Pumps  TLTAL alloy space material. Light weight,Website:http://www.dudemachinery.com, high strength, corrosion resistant and impact protected are suitable for a variety of aggressive environments.  With two speeds, an automatic change-over valve switches with precision from low to high pressure smoothly.  During low pressure, a greater flow is provided to save the operating time to increase work efficiencies.  Built-in safety valve provides safe dual protection.  We design it as per the particular space on customer's machine.