Description
The Therm-O-Flow 20 is an industrial bulk hot melt system for hot melt sealants and adhesives in 20 liter (5-gal) pails. It is perfect for applications in low and high-flow settings.
Therm-O-Flow 20 offers improved throughput, better process monitoring and reliable, efficient operation.
ADVANTAGES
- Improve process efficiency
- Keep your production running with automatic electric crossover when using tandem units
- Improve production capability
- Smaller footprint lets you place unit near the application
- Capable of melt rates up to 1.3 lb/min (0.6 kg/min)
- Reduce energy costs
- Inactivity shutoff and temperature setback reduces energy costs
- Supply factory environment initiatives
- Graco NXT Air Motors operate around 87 decibels while other comparable motors operate up to 103 decibels
Therm-O-Flow 20 – Product features
Intuitive, easy to use controls
- Displays actual and set point temperatures for up to 12 zones per unit
- Material tracking and machine diagnostics can be downloaded to USB
- Provides programmable preventative maintenance schedules
- Languages supported: English, Spanish, German, French, Chinese, Japanese, Portuguese, Italian and Korean
Merkur & NXT Air Motor Technology
- Provides quiet, reliabile, efficient operation
- Proven Graco technology
TECHNICAL SPECIFICATIONS
- Air inlet size: 1/2 npsm(f)
- Air motor sound data: See air motor instruction manual.
- Wetted Parts: carbon steel, brass, chrome, zinc, nickel plating, stainless steel (304, 316, 440, and 17–4 PH), alloy steel, ductile iron, PTFE
- Displacement pump effective are:
- Merkur and NXT: 8 cm²
- President: 5.7 cm²
- Volume per cycle
- Merkur and NXT: 192 cm³
- President: 62.3 cm³
- Pump cycles per 1 gallon (3.8 liters)
- Merkur and NXT: 21
- President: 61
- Ram maximum input pressure
- Merkur and NXT: 0.85 MPA, 8.5 bar
- President: 0.8 MPa, 8.3 bar
- Maximum pump operating temperature:
- Merkur and NXT: 204°C
- President: 204°C
- Pump fluid outlet size
- Merkur and NXT: 1 in npt(f)
- President: 1/2 in npt(f)
- Maximum Fluid Working Pressure
- Merkur 6.0 in: 15.9 MPa, 159 bar
- Merkur 7.5 in: 20.7 MPa, 207 bar
- NXT 6500: 20.7 MPa, 207 bar
- President 4.25 in: 12.6 MPa, 125 bar
- Maximum Air Input Pressure (Pumps)
- Merkur 6.0 in: 0.7 MPa, 7 bar
- Merkur 7.5 in: 0.57 MPa, 5.7 bar
- NXT 6500: 0.29 MPa, 2.9 bar
- President 4.25 in: 0.8 MPa, 8.3 bar
- Power Requirements
- Compressed Air (typical): 25–50 scfm
- Voltage (as selected):
220/240 V, 3-phase, 50/60 Hz
380/400 V, 3-phase, 50/60 Hz
470/490 V, 3-phase, 50/60 Hz
575 V, 3-phase, 50/60 Hz
- Peak Consumption (includes drum melt grid, pump, and a 6kVa transformer for the 230 V hoses and accessories)
- Standard melt grid platen with President pump: 6.4 kVa
- Standard melt grid platen with Merkur or NXT pump: 8.7 kVa
- Smooth melt grid platen with President pump: 6.4 kVa
- Smooth melt grid platen with Merkur or NXT pump: 8.7 kVa
APPLICATIONS
- High-Viscosity Material Transfer
- Bulk Supply System
- Adhesive Bonding
- Fenestration
- Roll Coating
- Curtainwall
- Resin Batch Blending
- Prepreg Supply
- Wood Finishing – Bonding and Laminating
INDUSTRIES
- Automotive Trim and General Assembly
- Automotive Composites
- Solar Energy
- Furniture Finishing / Manufacturing
- Bookbinding
- RVs and Trailers
- Wood Lamination
