Therm-O-Flow 20 Bulk Hot Melt System
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Therm-O-Flow 20 Bulk Hot Melt System

Brand: Graco, Inc
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The Therm-O-Flow 20 is an industrial bulk hot melt system that is perfect for applications in low and high-flow settings. 

It offers improved throughput, better process monitoring and reliable, efficient operation. Improve process efficiency keeps your production running with automatic electric crossover when using tandem units.
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.
  • Provides quiet, reliable, efficient operation.
  • Proven Graco technology. Merkur & NXT Air Motor Technology:
  • Provides quiet, reliable, efficient operation
  • Proven Graco technology
  • 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

Specifications

Brand

Air Inlet Size

  • 1/2” NPSM Female

Air Motor Sound Data

  • See Air Motor Instruction Manual

Displacement Pump Effective Area - Merkur & NXT

  • 8 cm²

Displacement Pump Effective Area - President

  • 5.7 cm²

Maximum Air Input Pressure (Pumps) - Merkur 6.0 Inch

  • 0.7 MPa, 7 bar

Maximum Air Input Pressure (Pumps) - Merkur 7.5 Inch

  • 0.57 MPa, 5.7 bar

Maximum Air Input Pressure (Pumps) - NXT 6500

  • 0.29 MPa, 2.9 bar

Maximum Air Input Pressure (Pumps) - President 4.25 Inch

  • 0.8 MPa, 8.3 bar

Maximum Fluid Working Pressure - Merkur 6.0 In

  • 15.9 MPa, 159 bar

Maximum Fluid Working Pressure - Merkur 7.5 In

  • 20.7 MPa, 207 bar

Maximum Fluid Working Pressure - NXT 6500

  • 20.7 MPa, 207 bar

Maximum Fluid Working Pressure - President 4.25 In

  • 12.6 MPa, 125 bar

Maximum Pump Operating Temperature - Merkur & NXT

  • 204° C

Maximum Pump Operating Temperature - President

  • 204° C

Peak Consumption - Smooth Melt Grid Platen with Merkur or NXT Pump

  • 8.7 kVa

Peak Consumption - Smooth Melt Grid Platen with President Pump

  • 6.4 kVa

Peak Consumption - Standard Melt Grid Platen with Merkur or NXT Pump

  • 8.7 kVa

Peak Consumption - Standard Melt Grid Platen with President Pump

  • 6.4 kVa

Power Requirement

  • 380/400 V, 3-Phase, 50/60 Hz
  • 470/490 V, 3-Phase, 50/60 Hz
  • 575 V, 3-Phase, 50/60 Hz

Power Requirements - Compressed Air (Typical)

  • 25-50 scfm

Power Requirements - Voltage (As Selected)

  • 220/240 V, 3-Phase, 50/60 Hz

Pump Cycles Per 1 Gallon (3.8 Liters) - Merkur & NXT

  • 21

Pump Cycles Per 1 Gallon (3.8 Liters) - President

  • 61

Pump Fluid Outlet Size - Merkur & NXT

  • 1” NPT Female

Pump Fluid Outlet Size - President

  • 1/2” NPT Female

Ram Maximum Input Pressure - Merkur & NXT

  • 0.85 mPa, 8.5 bar

Ram Maximum Input Pressure - President

  • 0.8 MPa, 8.3 bar

Volume Per Cycle - Merkur & NXT

  • 192 cm³

Volume Per Cycle - President

  • 62.3 cm³

Wetted Parts

  • Carbon Steel, Brass, Chrome, Zinc, Nickel Plating, Stainless Steel (304, 316, 440, & 17-4 Ph), Alloy Steel, Ductile Iron, PTFE

Documentation

Brochure

Document

Instructions

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