Tell us what you are dispensing

Does the viscosity change in relation to temperature?
Does the fluid contain any suspended particles?
Can the fluid be heated to improve the dispensing or metering process?
Does the fluid have entrapped air or other gas (contain bubbles)?
Can the fluid be degassed under vacuum to eliminate entrapped bubbles?
Are there any handling or environmental concerns? (MSDS required)
How will the dispenser be triggered?