Graco Inc.

PD44  Patented Meter, Mix and Dispense Valve

For micro dispensing two-component materials

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The Graco PD44 is specifically designed to dispense small amounts of water thin to paste viscosity materials from 0.005 cc's to 5 cc's. The metering rods are matched with machined seals for improved seal life.

PD44
  • Specifically designed to accurately dispense shots of two-component epoxies, urethanes, silicone and most reactive resin systems
  • Improved low viscosity spool design
  • Rod positive displacement metering
  • Precise mix ratio and shot repeatability
  • Eliminates cleaning and potential hardening of materials in the valve
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PD44
Maximum Ambient Temperature
110°F
43°C
Maximum Operating Temperature
150°F
65°C
Maximum Outlet Fluid Working Pressure
2000 psi
138 bar, 14 MPa
Maximum Air Working Pressure
100 psi
7 bar, 0.7 MPa
Maximum Material Inlet Pressure
Metal Sleeves
1200 psi
83 bar, 8 MPa
Plastic Sleeves
400 psi
28 bar, 2.8 MPa
Supplied Air Requirements
1–3 cfm at 80–100 psi
1–3 cfm at 550 kPa, 5.5 bar - 7 bar, 0.7 MPa
Ratio Range (depending on metering rods selected)
1:1 to 25:1
1:1 to 25:1
Shot Size Range (depending on metering rods selected)
0.005 cc to 5.0 cc
0.005 cc to 5.0 cc
Maximum Cycle Rate per minute (application dependent)
Micrometer PD44
60 cycles
60 cycles
LRT PD44
60 cycles
60 cycles
Motor Driven PD44 (with standard Graco motor)
15 cycles
15 cycles
Dimensions (H x L x W), height to end of material inlet
Micrometer PD44
17.5 x 4.13 x 7.57 in
445 x 105 x 192 mm
LRT PD44
14.5 x 4.13 x 7.57 in
368 x 105 x 192 mm
Motor Driven PD44 (with Graco motor)
17.5 x 4.13 x 7.57 in
445 x 105 x 192 mm
Mixer
4 - 14.75 in
102 - 375 mm
Smallest Graco-supplied Feed System Assemblies
22.5 x 10 x 4 in
572 x 254 x 102 mm
Largest Graco-supplied Feed System Assemblies
60 x 28 x 19 in
1524 x 711 x 483 mm
Weight
PD44 Metering Valve
14–15 lb
6.35–6.80 kg
Valve stand only
8 lb
3.6 kg
Feed Systems
4–175 lb
1.8–79.4 kg
Sound Data, Sound data measured per standard ISO 11202 (1993) & ISO3746 (1995).
Sound Power Level
76.5 dBA
76.5 dBA
Maximum Sound Pressure
92.8 dB
92.8 dB
Wetted Parts
PD44 Metering Valve
Hardened steel, 303/304, 404, UHMWPE, Tungsten, carbide, fluoroelastomer, EPDM, PTFE
Hardened steel, 303/304, 404, UHMWPE, Tungsten, carbide, fluoroelastomer, EPDM, PTFE
Graco-supplied Feed System Hoses and Fittings
Mild steel, 303/304, PTFE, buna, polyethylene, polypropylene
Mild steel, 303/304, PTFE, buna, polyethylene, polypropylene
Graco-supplied Tanks
Polyethylene, 303/304, mild steel
Polyethylene, 303/304, mild steel