dymax BlueWave 200 Manuale d'uso - Pagina 8

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8
Model 200 Dispensing Valve User Guide
Fluid
The Model 200 diaphragm valve requires a material reservoir or pressure tank to draw
material from. The material reservoir should be connected to the Model 200 through
the 1/8" NPT port located on the Delrin® fluid section of the valve. Typically material is
fed into the valve through 3/8" O.D. tubing. Depending on material viscosity, dispense
tip size, and desired flow rate, the valve can dispense material with less than 15 psi.
Figure 3. Model 200 Plumbing Diagram
Diaphragm Actuation
When the lever is depressed to lift the plunger, the diaphragm will flex under fluid
pressure to allow the valve to open and dispense fluid. When the lever is released, the
spring will again force the plunger into the diaphragm to return the valve to the closed
position.