PD44
PD44
Patented Meter, Mix and Dispense Valve
For micro dispensing two-component materials
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.
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Features :
- 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
Specifications :
| PD44 | |
| Maximum Ambient Temperature |
43°C
|
| Maximum Operating Temperature |
65°C
|
| Maximum Outlet Fluid Working Pressure |
138 bar, 14 MPa
|
| Maximum Air Working Pressure |
7 bar, 0.7 MPa
|
| Maximum Material Inlet Pressure | |
| Metal Sleeves |
83 bar, 8 MPa
|
| Plastic Sleeves |
28 bar, 2.8 MPa
|
| Supplied Air Requirements |
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
|
| Shot Size Range (depending on metering rods selected) |
0.005 cc to 5.0 cc
|
| Maximum Cycle Rate per minute (application dependent) | |
| Micrometer PD44 |
60 cycles
|
| LRT PD44 |
60 cycles
|
| Motor Driven PD44 (with standard Graco motor) |
15 cycles
|
| Dimensions (H x L x W), height to end of material inlet | |
| Micrometer PD44 |
445 x 105 x 192 mm
|
| LRT PD44 |
368 x 105 x 192 mm
|
| Motor Driven PD44 (with Graco motor) |
445 x 105 x 192 mm
|
| Mixer |
102 – 375 mm
|
| Smallest Graco-supplied Feed System Assemblies |
572 x 254 x 102 mm
|
| Largest Graco-supplied Feed System Assemblies |
1524 x 711 x 483 mm
|
| Weight | |
| PD44 Metering Valve |
6.35–6.80 kg
|
| Valve stand only |
3.6 kg
|
| Feed Systems |
1.8–79.4 kg
|
| Sound Data, Sound data measured per standard ISO 11202 (1993) & ISO3746 (1995). | |
| Sound Power Level |
76.5 dBA
|
| Maximum Sound Pressure |
92.8 dB
|
| Wetted Parts | |
| PD44 Metering Valve |
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
|
| Graco-supplied Tanks |
Polyethylene, 303/304, mild steel
|
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