Graco Inc.

Therm-O-Flow 20

Bulk Melt System

Handles hot melt sealants and adhesives in 20 liter (5-gal) pails

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The Therm-O-Flow 20 is an industrial bulk melt system that offers industry-leading melt rates for greater production capacity, and precision temperature control for better end results.

  • Heats and delivers single-component materials in 5 gallon (20 liter) containers
  • Offers industry-leading melt rates
  • High output for improved production capacity
  • Easily integrates with a second Therm-O-Flow unit for tandem operation


Therm-O-Flow 200 features

Intuitive controls

  • EasyKey Controls simplify setup, operation and diagnostics
  • Offers preventative maintenance scheduling
  • Tracks material usage
  • Displays actual and set point temperatures for up to eight zones at a time

Therm-O-Flow 20 mini-5

Therm-O-Flow 20 / Mini-5

  • Ideal for low to medium viscosity materials
  • Double the power for high melt rate needs
  • Allows accurate temperature control of four zones (standard). Up to eight heat zones with an optional four-zone expansion box
  • Tandem capabilities with other Therm-O-Flow Mini-5's
  • Features President 15:1 and two-ball lower
View values in metric units. View values in U.S. units.
Therm-O-Flow 20
Displacement pump effective area
2
2
Volume per cycle
3
3
Pump cycles per 1 gal. (3.8 liters)
21
21
Maximum Fluid Working Pressure
NXT 2200
2300 psi
159 bar, 15.9 MPa
NXT 3400
3000 psi
207 bar, 20.7 MPa
NXT 6500
3000 psi
207 bar, 20.7 MPa
Maximum Air Input Pressure (Ram)
125 psi
8.5 bar, 0.85 MPa
Maximum Air Input Pressure (Pumps)
NXT 2200
100 psi
7 bar, 0.7 MPa
NXT 3400
82 psi
5.7 bar, 0.57 MPa
NXT 6500
43 psi
2.9 bar, 0.29 MPa
Maximum Pump Operating Temperature
400°F
204°C
Air Motor Piston Effective Area
NXT 2200
2
2
NXT 3400
2
2
NXT 6500
2
2
Air Inlet Size
1/2 npsm(f)
1/2 npsm(f)
Pump Fluid Outlet Size
1 in npt(f)
1 in npt(f)
Wetted Parts
Carbon steel, brass, chrome, zinc, nickel plating, 304, 316, 440, and 17–4 PH grades of stainless steel, alloy steel, ductile iron, PTFE
Carbon steel, brass, chrome, zinc, nickel plating, 304, 316, 440, and 17–4 PH grades of stainless steel, alloy steel, ductile iron, PTFE
Weight
670 lb
304 kg
Displacement Pump Weight
81 lb
37 kg
Power Requirements
Compressed Air
25–50 scfm (typical)
25–50 scfm (typical)
Voltage (as selected)
220/240 V, 3–phase, 50/60 Hz
220/240 V, 3–phase, 50/60 Hz
380/400 V, 3–phase, 50/60 Hz
470/490 V, 3–phase, 50/60 Hz
Peak consumption* with standard melt grid
8.7 kVa
8.7 kVa
* Includes pail melt grid, pump and a 5 kVa transformer for the 230 V hoses and accessories.