FCM200
Front Closing Stainless Steel Micro Dispense Valve
Thank you for purchasing the FCM100 dispensing valve from PVA. Before
attempting to operate the FCM100, we recommend that you take a few minutes and read
the following operation and setup manual. This will assist in familiarizing you with the
product and ensure a successful installation.
As always, if any questions or problems arise, do not hesitate to contact PVA’s
Valve Service Department for support. This department can be reached at PVA
headquarters via telephone or e-mail.
Again, thank you for your purchase, and we look forward to assisting you in the
future as you continue to improve your dispensing processes.
Theory of Operation
The FCM100 is a high pressure, front closing stainless steel micro dispense valve
designed to apply fluids using a non-contact method. Typical applications include
dispensing small dots or lines of low viscosity fluids.
The FCM100 has a divorced design comprising of two major sections. These include:
1) Air section (red anodized portion)
2) Fluid section (stainless steel portion)
The air section is an aluminum body with a simple piston/cylinder combination
used to open and close the valve. A micrometer adjustment in the upper air body controls
how far the piston and needle assembly can retract thus regulating the rate of fluid flow.
The micrometer will display a distance that the piston and needle will travel.
The fluid section is a stainless steel body, which includes a needle and seat
combination to control fluid flow. Fluid dispenses as the needle retracts out of the seat,
then stops as the needle moves back into the seat. The micrometer adjustment regulates
the distance that the needle can retract out of the seat thus controlling the orifice size and
rate of fluid flow. Fluids typically include low viscosity conformal coatings or underfills.
Wetted parts on the FCM100 include:
- 303, 304 stainless steel
- Teflon
- Kalrez
Summary of Contents for B12-2235
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