Fluid handling, regulation and control

Fluid handling, regulation and control

Fluid handling, regulation and control

Therm-O-Flow 20 – Bulk Hot Melt systems

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
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