Diaphragm Valves are designed to dispense low to medium viscosity materials with precision accuracy over a wide range of shot and bead sized down to a fraction of a micro liter. An internal spring return makes the valves fully adaptable for use with Techcon Systems time/pressure controllers. A short opening stroke provides extremely fast, positive shut-off. An external stroke control adjustment makes it easy for the operator to fine tune shot sizes. The compact design allows for mounting flexibility and easy integration into automated applications. TS5622VU-DVD - spin coating applicationA stainless steel fluid housing is compatible with a variety of chemicals; especially UV cure adhesives, resins and lacquers used in the manufacture of DVDs and CDs. The valves are low maintenance, easy-to-use, easy-to-maintain with user replaceable spare parts. Horizontally mounted configurations and hand-held diaphragm valves are also available.