This company’s new model 475 valve dispensing systems use a pneumatic, normally closed diaphragm valve to dispense low- to high-viscosity fluids. The design of the internal diaphragm and adjacent parts reportedly prevents migration of fluid into the actuating section within the valve. The toughness of the diaphragm, along with the selection of appropriate materials for component construction, reportedly ensures long diaphragm and valve life between maintenance schedules. 

According to the company, accurate, repeatable performance is achievable by using the valve’s stroke adjustment knob to dial in a desired shot volume. The included 25-micron air filter regulator permits the passing of only clean, dry, particulate-free air, ensuring the system’s long and continuous life.

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