Clark Solutions has a fifty-year history of providing unique solutions to the measurement, control, and monitoring of pressure, flow, and level in liquids and gases. Located in Hudson, Massachusetts, the company offers inert isolation valves, solenoid operated valves, valve actuators, pinch valves, manifold valves, ball valves, globe valves, butterfly valves, needle valves, and miniature and subminiature valves. Clark Solutions also provides a wide range of pumps for liquids, gases, and air including diaphragm pumps, piston pumps, rotary vane pumps, gear pumps, peristaltic pumps, impeller pumps, centrifugal pumps, and bellows pumps. Our instrumentation includes devices to record, monitor, and control flow, velocity, pressure, temperature, humidity, level, gas concentration, and other properties. For more information contact Clark Solutions, 10 Brent Drive, Hudson, MA 01749, Tel. 978-568-3400, Fax. 978-568-0060, or visit our web site at http://www.clarksol.com.