Graco Inc.

Automatic Dispense Valves 

Automatic valves with ball needle/seat design or snuff-back design

Kust ostaTeabepäring

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

Juhendid

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