Vision Hydraulics manufactures High Pressure Needle Valves. Vision Hydraulics manufactures Markets Hydraulic Fittings, Hydraulic Valves, Hydraulic Manifolds, Pipe Clamps, and Lubrication Systems etc. The High Pressure Needle Valves are made of materials like Brass or Carbon Steel or Delrin. It has an Operating Temperature of up to 540 degree Celsius. It also has Working Pressure of up to 620 bar.