GVJ-518 – Piezoelectric Jetting Valve
GVJ-518 – Piezoelectric Jetting Valve utilizes a piezoelectric valve as its executive unit, with driving parts designed using piezoelectric ceramic material. The firing pin stroke is accurately regulated, and the speed of the bump is adjusted by pulsating voltage. A built-in temperature and stroke sensor enables precise injection of glue for both injection point and contact tasks, achieving a glue width of 0.2mm and consistency of at least 99%. The injection valve operates under full pressure and can be used up to 1.5 billion times, requiring secure bolting for installation.
Specifications
Model
GVJ-518
Fluid type
Apply to all kinds of viscosity fluids, alloy filtered adhesive and solder paste
Min. pulse time
0.20ms
Max. dispensing frequency
1200Hz
Instantaneous dispensing frequency
2000Hz
Service life
more than 1 billion and 500 millions times
Dispensing accuracy
>99%
Max. air input pressure
7.5MPa
Ambient temperature
0 ~ 45°C
Fluid temperature
Ordinary dispensing temperature is not greater than 75°C; Hotmelt adhesive dispensing temperature is not greater than 210°C
Outline size
85.5 x 14 x 52 mm
Weight
178g
Fixed
D=M4, 2.5Nm
Supply
Screw type feed port, Ruhr joint, hose connect, ID4 ~ ID8, M10 x 1
Valve seat
diameter 50µm ~ 600µm, contact and non-contact
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