The GRACO WMC81D4 is a Therm-O-Flow supply unit designed for bulk hot melt applications. It is engineered to deliver precise temperature control and reliable material supply for industrial adhesive and sealant dispensing. The unit is constructed for robust industrial use and is intended to integrate with GRACO’s advanced hot melt systems to ensure efficient, high-volume material delivery in demanding environments.

Key Features:

• Hot Melt Supply Unit
• 68:1HCM, D60-60H, 480V, N
• Industrial-grade, robust metal construction
• Compatible with a wide range of hot melt adhesives and sealants, including pressure-sensitive adhesives (PSA), polyurethane reactive (PUR), polyamide, EVA, PIB, butyl rubber, epoxies, and more
• Advanced temperature control with multiple heat zones
• High throughput capability
• Compact footprint for placement near application
• Reliable air motor and piston pump technology
• Easy integration with other Therm-O-Flow units for tandem or parallel operation
• Designed for ease of maintenance and reliability

Applications:
Insulating glass manufacturing, automotive interiors & RV assembly, window & door lamination, tape, label & bookbinding, electronics & solar panel manufacturing, furniture, cabinet & composite bonding, and more

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment. Non-genuine parts may compromise system reliability and void warranties.
• Ensure the unit is installed on a stable, level surface near the application area
• Verify electrical and air supply compatibility before installation
• Follow all safety guidelines and manufacturer recommendations
• Regularly inspect and maintain the unit to prevent downtime and ensure consistent performance
• Consult the equipment manual for detailed installation and maintenance procedures
• Schedule routine maintenance checks
• Use only recommended materials and accessories
• Contact a GRACO specialist for troubleshooting and support