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Overview
14 312779E
Overview
Usage
The Graco ProMix 2KS is an electronic two-component paint proportioner. It can blend most two-component solvent
and waterborne epoxy, polyurethane, and acid-catalyzed paints. It is not for use with “quick-setting” paints (those
with a potlife of less than 15 minutes).
• Can proportion at ratios from 0.1:1 to 50:1 in 0.1
increments.
• Has user selectable ratio assurance and can main-
tain up to +/-1% accuracy, depending on materials
and operating conditions.
• Models are available to operate air spray or
air-assisted systems with a capacity of up to 3800
cc/min.
• Color change options are available for low pressure
(300 psi [2.1 MPa, 21 bar]) air spray and high pres-
sure (3000 psi [21 MPa, 210 bar]) systems with up
to 30 color change valves and up to 4 catalyst
change valves.
NOTE: Optional accessories are available for in
field installation to achieve 30 colors.
Component Identification and Definition
SeeTable 1, and F
IG
. 3 for the wall mount system components and F
IG
. 5 for the RoboMix system components.
Table 1: Component Descriptions
Component Description
EasyKey (EK)
Used to set up, display, operate, and monitor the system. The EasyKey accepts 85-250
VAC, 50/60 Hz line power and converts that power to acceptable low voltage and optical
signals used by other system components.
Wall Mount Fluid
Station (ST, used on
ADxxxx and AExxxx
Models only)
Includes air control solenoids, flow switches, and mountings for the fluid flow meters, and
the fluid manifold assembly. Its control board manages all proportioning functions.
RoboMix Fluid
Station (RS, used
on RDxxxx and
RExxxx Models
only)
Includes air control solenoids, flow switches, fluid flow meters, and the fluid manifold
assembly to control and monitor fluid dispensing. Its control board manages all propor-
tioning functions.
Fluid Manifold (FM)
• Pneumatically Operated Dose Valves for component A and B
• Purge Valves for solvent and air purge
• Sampling Valves for calibrating the flow meters and performing ratio checks (Wall
Mount Panel only)
• Shutoff Valves for component A and B to close their fluid passages to the mix mani-
fold, to allow for accurate calibration and ratio checks (Wall Mount Panel only)
• Mix Manifold, which includes the fluid integrator and static mixer.
➜ Fluid Integrator is the chamber where component A and B align at the
selected ratio and begin to mix.
➜ Static Mixer has 24 elements to uniformly blend the materials downstream
of the fluid integrator.