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PR70 Compact Benchtop Meter, Mix & Dispense System

Brand: Graco, Inc

The Graco PR70 fixed and variable ratio systems accurately meter, mix and dispense medium-to-low viscosity materials for potting, gasketing, gasketing, encapsulation and syringe filling. 

All the features you need, in a compact, modular design.
Features
  • Ratio assurance packages.
  • Recirculation option.
  • Integrated on-board heater control.
  • Input/output options.
  • Auto refill package.
  • Supply systems options.
  • PR70: Accurate two-component, fixed ratio dispensing:
    • Medium to low viscosity materials
    • Exceptional performance with materials from 1:1 to 12:1
    • MD2 valve high pressure accuracy with multiple seat styles and adjustable snuffback for clean, precise dispensing
    • Proven ratio accuracy. Multiple tube sizes to pinpoint specific target ratios and deliver ratio accuracy to +/- 1% 
  • PR70v: Variable ratio dispensing for two-component materials:
    • Handles a wide range of material formulations
    • Material ratios from 1:1 to 24:1
    • Proven ratio accuracy of +/- 1%
    • Versatile - ideal for applications using up to 70 cc shot sizes
    • Multiple levels of user interface to best support your application 
  • PR70e: Reliable fixed ratio dispensing at an affordable price
    • Easy-to-use, entry level system
    • Medium to low viscosity materials
    • Material ratios from 1:1 to 12:1
    • Proven ratio accuracy of +/- 1%
    • MD2 valve high pressure accuracy for clean, precise dispensing 
  • PR70f: Bead dispensing capability with flow control
    • Flow control for reliable bead consistency
    • Materials from 1:1 to 12:1
    • Programmable shot sizes from 2 to 70 cc
    • MD2 valve high pressure accuracy with multiple seat styles and adjustable snuffback for clean, precise dispensing
    • Proven ratio accuracy. Multiple tube sizes to pinpoint specific target ratios and deliver ratio accuracy to +/- 1% 
  • PR70s: Exceptional dispense accuracy with Servo control:
    • Reliable Servo motor control
    • Exceptional performance with materials from 1:1 to 12:1
    • MD2 valve high pressure accuracy with multiple seat styles and adjustable snuffback for clean, precise dispensing
    • Proven ratio accuracy of +/- 1%

Specifications

Brand

Air Inlet Size

  • 1/4" NPT Female

Compressed Air

  • Less than 10 scfm Typical (Varies with Cycle Times)

Electrical Power

  • 100-240 V 50/60 Hz, 1-Phase for Machine - 80 Watts, 208-240 V 50/60 Hz, 1-Phase for Heat - 11 KW Max., 120 or 240 Vac 50/60 Hz, 1-Phase for On-Board-Agitators, 80 Watts, 240 Vac 50/60 Hz, 1-Phase for Off-board-Agitators, 600 Watts

Large Air Cylinder Effective Area

  • 10260 mm²

Maximum Air Input Pressure

  • 0.7 MPa, 7 bar

Maximum Fluid Working Pressure

  • 20.7 MPa, 207 bar

Maximum Operating Temperature

  • 70° C, Nylon Pistons 50° C UHMWPE Pistons or PE Tanks

Maximum Stroke Length

  • 38.1 mm

Metering Pump Effective Area

  • 80 to 960 mm² per Side

Minimum Stroke Length

  • 5.8 mm

Pump Cycles

  • 14.3 to 500 Cycles Per 1 L

Pump Fluid Outlet Size

  • -03, -04, -06, -08 or -12 JIC Fittings for 4.8 mm, 6.4 mm, 9.5 mm, 12.7 mm, 19.1 mm Hoses

Ratios (Fixed)

  • 1:1 to 12:1 (Depending Upon Cylinders Selected)

Small Air Cylinder Effective Area

  • 4560 mm²

Sound Pressure Level (at Typical Operator Station for Machine Mounted Dispense Valve)

  • 82 dB(A)

Volume Per Cycle

  • 2 to 70 cc

Weight

  • 55 kg Typical with Two 7.5 L Tanks, 150 kg Typical with Two 60 L Tanks

Wetted Parts

  • 303/304, 17-4 PH, Hard Chrome, Chromex, Carbide,Chemical Resistant O-Rings, PTFE, Nylon, UHMWPE

Documentation

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