Automatic Dispense Valves
Automatic valves with ball needle/seat design or snuff-back design
Graco's Automatic Dispense Valves are available in a variety of sizes and pressure ranges to fit your application requirements.
Typical applications
- Structural bonding
- Anti-flutter mastic
- Glass bonding
- Interior/exterior seam sealing
- Underbody/rocker spray coating
- Robot or pedestal mount
- Automatic valves use ball needle/seat design or snuff-back design
- Snuff-back valves prevent dripping by pulling material back into tip
- Double acting valves ensure fast cycling and positive shut-off
- Spring-close valves will shut if air pressure is lost
Εγχειρίδια
Έντυπο υλικό
| Automatic Metering Values | |
| Maximum fluid working pressure |
3200 psi
22.0 MPa, 220 bar
|
| Minimum fluid working pressure |
50 psi
0.34 MPa, 3.4 bar
|
| Minimum air supply pressure |
80 psi
0.55 MPa, 5.5 bar
|
| Viscosity range |
3000 to 1 million centipoise
3000 to 1 million centipoise
|
| Shot size range |
0.2 to 4.0 cc
0.2 to 4.0 cc
|
| Shot cycle rate |
15 shots per minute, at 4.0 cc shot size with moderate viscosity fluid
15 shots per minute, at 4.0 cc shot size with moderate viscosity fluid
|
| Air supply inlet |
1/8 npt(f)
1/8 npt(f)
|
| Fluid inlet |
1/4 npt(f)
1/4 npt(f)
|
| Fluid outlet |
C02021, C02022, C02026, and C02027:1/8 npt(f)
C02021, C02022, C02026, and C02027:1/8 npt(f)
|
| C02025 and C02078:1/4 npt(f) | |
| Mounting hole |
7/16–20 unf–2B
7/16–20 unf–2B
|
| Piston |
Air-operated, spring return
Air-operated, spring return
|
| Wetted parts |
Fluoroelastomer o-rings
Fluoroelastomer o-rings
|
| Weight |
1.43 lb
0.65 kg
|
