Industrial Goods and Services Fluid and Gas Control Fluid Power ComponentsValves, pumps, dataloggers, and instruments to monitor and control Welcome to Clarksol.com! Our focus is providing unique solutions to pressure , flow , level , and other applications. We offer inert isolation valves , solenoid operated valves , valve actuators , pinch valves , manifold valves , ball valves , globe valves , butterfly valves , needle valves , and miniature and subminiature valve s . We provide a wide range of pumps for liquids, gases, and air including diaphragm pumps , piston pumps , rotary vane pumps ,