GV-575MC – Microdot Suck-back Dispensing Valve
Microdot Suck-back Dispensing Valve – Precision needle valve ideal
for consistent microdot applications
The GV-575MC microdot dispense valve is engineered to provide precise, consistent, and drip-free dispensing of even the tiniest amount of low-viscosity fluids, as small as 1 nl.
Features and benefits
- Unique packing structure enhances durability
- The drip-free design ensures millions of cycles
Specifications
VALVE OPERATION
Input air pressure retracts the piston needle from the needle seat, permitting fluid to flow. (Figure 1). Once the cycle is completed, the piston spring returns the piston needle back to its position in the dispensing tip to shut off the fluid. (Figure 2).
Model
GV-575MC
Size
φ26.9mm (Fluid body) x 130mm length
Weight
320g (except fluid inlet fitting part)
Air cylinder body
SUS303
Piston needle
SUS303
Needle packing
SUS303, Teflon
Fluid body
SUS303
Tip adapter
SUS303
Fluid outlet port
1/8NPT female
Mounting hole
M6 female
Valve operating air pressure
0.4～0.62MPa
Maximum fluid pressure
0.7MPa
Free flow orifice
GP needle tips 22ga (IDφ0.41mm) ~33ga (IDφ0.11mm)
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