Graco Inc.

ProMix 2KS Proportioners  Electronic Plural Component Proportioning Systems

Electronic proportioner for a broad range of solventborne, waterborne, and acid catalyzed materials

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Graco's two- and three-component proportioners offer precise and reliable electronic plural component proportioners for a broad range of solventborne, waterborne, and acid catalyzed materials. From entry level to upgraded applications, the ProMix 2KS and 3KS systems provide flexibility and increased efficiency.

  • Offers the highest degree of ratio assurance
  • Provides critical process variable feedback
  • Built in system safeguards
  • Effective color change solution
  • Efficient material tracking and reporting

Graco has specific ProMix proportioners that are designed to manage tough acid catalyst applications like cabinetry and bar counter tops. The corrosion resistance fluid section, plus the smart fluid plate with 316 and 17-4 SST catalyst sections, can easily handle strong acid catalysts. 

ProMix 2KS Wall Panel, 50 cc
  • Manual and automatic configurations
  • Intrinsically safe fluid panels easily integrate into hazardous areas
  • Single- or multi-color and catalysts
  • Accurate ratio assurance for superior finish quality
  • Simple programming allows fast set up and efficient process control
  • Advanced web interface provides consolidated system management and reporting

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ProMix 2KS Manual System
Maximum working air pressure
100 psi
7.0 bar, 0.7 MPa
Air supply
75–100 psi
5.2–7.0 bar, 0.5–0.7 MPa
Air filter inlet size
3/8 npt(f)
3/8 npt(f)
Air filtration for air logic and purge air (Graco-supplied)
5 micron (minimum) filtration required; clean and dry air
5 micron (minimum) filtration required; clean and dry air
Air filtration for atomizing air (user-supplied)
30 micron (minimum) filtration required; clean and dry air
30 micron (minimum) filtration required; clean and dry air
Mixing ratio range
0.1:1–50:1
0.1:1–50:1
Fluids handled
one or two component: solvent and waterborne paints, polyurethanes, epoxies, acid catalyzed varnishes, moisture sensitive isocyanates
one or two component: solvent and waterborne paints, polyurethanes, epoxies, acid catalyzed varnishes, moisture sensitive isocyanates
Viscosity range of fluid
20–5000 cps
20–5000 cps
Fluid filtration (user-supplied)
100 mesh minimum
100 mesh minimum
External power supply requirements
85–250 Vac, 50/60 Hz, 2 amps maximum draw, 15 amp maximum circuit breaker required, 8 to 14 AWG power supply wire gauge
85–250 Vac, 50/60 Hz, 2 amps maximum draw, 15 amp maximum circuit breaker required, 8 to 14 AWG power supply wire gauge
Operating temperature range
41–122°F
5–50°C
Environmental conditions rating
indoor use, pollution degree (2), installation category II
indoor use, pollution degree (2), installation category II
Wetted parts
303 and 304 stainless steel, Tungsten carbide (with nickel binder), perfluoroelastomer, PTFE
303 and 304 stainless steel, Tungsten carbide (with nickel binder), perfluoroelastomer, PTFE
Maximum fluid working pressure
Base system
4000 psi
280 bar, 28 MPa
Low pressure color change
300 psi
21 bar, 2.1 MPa
High pressure color change
3000 psi
210 bar, 21 MPa
Coriolis Meter
2300 psi
161 bar, 16.1 MPa
Fluid Flow Rate Range
G3000, G250 Meter
0.02–1.00 gpm
75–3800 cc/min
G3000HR, G250HR Meter
0.01–0.50 gpm
38–1900 cc/min
Coriolis Meter
0.005–1.00 gpm
20–3800 cc/min
S3000 Solvent Meter (accessory)
0.01–0.50 gpm
38–1900 cc/min
Fluid Porting
Flow Meter Fluid Inlet
1/4 npt(f)
1/4 npt(f)
Dose Valve/Color Valve Adapter Inlets
1/4 npt(f)
1/4 npt(f)
Fluid Outlet Size (static mixer)
1/4 npt(f)
1/4 npt(f)
Noise Level
Sound pressure level
below 70 dBA
below 70 dBA
Sound power level
below 85 dBA
below 85 dBA

ProMix 2KS Automatic System
Maximum working air pressure
100 psi
7.0 bar, 0.7 MPa
Air supply
75–100 psi
5.2–7.0 bar, 0.5–0.7 MPa
Air filter inlet size
3/8 npt(f)
3/8 npt(f)
Air filtration for air logic and purge air (Graco-supplied)
5 micron (minimum) filtration required; clean and dry air
5 micron (minimum) filtration required; clean and dry air
Air filtration for atomizing air (user-supplied)
30 micron (minimum) filtration required; clean and dry air
30 micron (minimum) filtration required; clean and dry air
Mixing ratio range
0.1:1–50:1
0.1:1–50:1
On-ratio accuracy
up to +/- 1%, user selectable
up to +/- 1%, user selectable
Fluids handled
one or two component: solvent and waterborne paints, polyurethanes, epoxies, acid catalyzed varnishes, moisture sensitive isocyanates
one or two component: solvent and waterborne paints, polyurethanes, epoxies, acid catalyzed varnishes, moisture sensitive isocyanates
Viscosity range of fluid
20–5000 cps
20–5000 cps
Fluid filtration (user-supplied)
100 mesh minimum
100 mesh minimum
External power supply requirements
85–250 Vac, 50/60 Hz, 2 amps maximum draw, 15 amp maximum circuit breaker required, 8 to 14 AWG power supply wire gauge
85–250 Vac, 50/60 Hz, 2 amps maximum draw, 15 amp maximum circuit breaker required, 8 to 14 AWG power supply wire gauge
Operating temperature range
41–122°F
5–50°C
Environmental conditions rating
indoor use, pollution degree (2), installation category II
indoor use, pollution degree (2), installation category II
Wetted parts
303 and 304 stainless steel, Tungsten carbide (with nickel binder), perfluoroelastomer, PTFE
303 and 304 stainless steel, Tungsten carbide (with nickel binder), perfluoroelastomer, PTFE
Maximum fluid working pressure
Base system
4000 psi
275.8 bar, 27.58 MPa
Low pressure color change
300 psi
20.6 bar, 2.07 MPa
Coriolis Meter
2300 psi
158.6 bar, 15.86 MPa
RoboMix system
190 psi
13.1 bar, 1.31 MPa
Flow control
190 psi
13.1 bar, 1.31 MPa
Fluid Flow Rate Range
G3000, G250 Meter
0.02–1.00 gpm
75–3800 cc/min
G3000HR, G250HR Meter
0.01–0.50 gpm
38–1900 cc/min
Coriolis Meter
0.005–1.00 gpm
20–3800 cc/min
S3000 Solvent Meter (accessory)
0.01–0.50 gpm
38–1900 cc/min
Fluid Porting
Flow Meter Fluid Inlet
1/4 npt(f)
1/4 npt(f)
Dose Valve/Color Valve Adapter Inlets
1/4 npt(f)
1/4 npt(f)
Fluid Outlet Size (static mixer)
1/4 npt(f)
1/4 npt(f)
Noise Level
Sound pressure level
below 70 dBA
below 70 dBA
Sound power level
below 85 dBA
below 85 dBA