Graco Therm-O-Flow 20 Bulk Hot Melt System for 5-Gallon Pails

Graco Therm-O-Flow 20 Hot Melt System for 5-Gallon Pails

The Therm-O-Flow 20 is a compact, high-efficiency bulk hot melt system engineered specifically for 5-gallon (20 L) pail applications. Designed to handle a wide range of adhesive viscosities, it combines precise temperature control, customizable heat zones, and advanced pump technology to ensure smooth, reliable dispensing with minimal waste. Whether you're working with PUR, EVA, or PSA adhesives, the system delivers consistent flow rates and superior thermal control to protect material integrity.

Built for manufacturing, assembly, and laminating environments, the Therm-O-Flow 20 supports continuous operation with quick-change components and smart integration features. Its scalable design also allows for tandem configuration, expanding your control to up to 24 heat zones when paired with another unit—ideal for growing production needs.

Looking for high-volume drum dispensing? Explore the Therm-O-Flow 200.

Key Advantages of Therm O Flow for 5 Gal Pails

• Efficient Material Handling: Two-ball or Check-Mate priming pump options deliver up to 12 lb/min (5.4 kg/min) with minimal pulsation.
• Pail-Ready Design: Optimized for standard 5-gallon (20 L) pails—compact layout for tight workspaces.
• Custom Heat Zoning: Control up to 12 independent zones to match diverse hot melt chemistries.
• Precise Temperature Control: Digital display prevents overheating, ensuring consistent viscosity and bond quality.
• Rapid Serviceability: Quick-change cartridges and low-level sensors cut downtime.
• Scalable Integration: Link two units for tandem operation—supporting up to 24 heat zones.
• User-Friendly Interface: Intuitive controls and real-time diagnostics make setup and adjustments a breeze.

Technical Specifications

• Model: Therm-O-Flow 20
• Type: Hot Melt System
• Pump Style: 2-Ball (15:1) or Check-Mate Priming Piston
• Compatible Materials: Pressure-Sensitive Adhesives (PSA), Polyurethane Reactive (PUR), Polyamide, Ethylene Vinyl Acetate (EVA), Polyisobutylene (PIB), Butyl Rubber, Epoxies, Prepreg Resin Mixes, Warm Melt Sealer, and much more...
• Container Compatibility: 5-Gallon (20L) Pails
• Maximum Melt Rate: 1.5 lb/min (0.7 kg/min)
• Maximum Flow Rate: 12 lb/min (5.4 kg/min)
• Viscosity Compatibility: Low to Ultra High
• Effective Area: 0.884 in²
• Maximum Fluid Working Pressure: 1,800 psi (125 bar)
• Maximum Operating Temperature: 400°F (204°C)
• Pump Cycles per 1 Gallon: 61
• Volume per Cycle: 3.8 in³
• Power Input: 220/240V, 380/400V, 470/490V, 575V
• Peak Power Consumption: 25 - 30.2 KVA (varies by configuration)
• Weight: 840 lbs (381 kg)

Typical Applications

• Window & door lamination
• Automotive interiors & RV assembly
• Electronics & solar panel manufacturing
• Tape, label, & bookbinding
• Insulating glass production
• Furniture, cabinet, & composite bonding