Parker Hannifin Corporation
http://www.parker.com
Parker Hannifin manufactures a complete line of Ultra High Purity fittings, diaphragm and bellows valves, bulk gas valve components, high purity cylinder connections, regulators, TEFLON® fittings, valves and tubing, Instrument quick couplers, stainless steel filters, ceramic filter elements, membrane filter cartridges, capsules and electropolished filter housings, pneumatic and liquid valves, digital and proportional valves, pressure switches, electric and pneumatic cylinders, vacuum and pneumatic logic products, air preparation units and multiple-axis positioning tables, bridge and gantry systems, high speed belt driven positioners, clean room and vacuum prepared tables, miniature positioners, operator interface hardware and software machine control systems.