The GRACO WMC81B4 is a Therm-O-Flow bulk hot melt supply unit designed for precise temperature control and efficient delivery of hot melt adhesives and sealants. It is constructed for industrial use, intended to supply and condition hot melt materials for various manufacturing processes.

Key Features:

• Hot Melt Supply Unit
• 68:1HCM, D60-20H, 480V, N (WMC81B4)
• Industrial-grade, robust design for continuous operation
• Hot melt adhesives, sealants, pressure-sensitive adhesives (PSA), polyurethane reactive (PUR), polyamide, EVA, PIB, butyl rubber, epoxies, prepreg resin mixes, warm melt sealer, and more
• CE mark for Therm-O-Flow systems
• Advanced temperature control for resins
• Reduced rework due to damaged material
• High throughput capability
• Accurate temperature control with multiple heat zones
• Modular, easy plug-in installation
• Intuitive, easy-to-use interface
• Reliable, robust construction for industrial environments

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.
• Follow manufacturer’s guidelines for electrical and pneumatic connections
• Ensure proper grounding and voltage supply (480V for this model)
• Install in a clean, dry environment suitable for industrial equipment
• Regularly inspect and maintain seals, hoses, and electrical components
• Consult the equipment manual for specific installation and maintenance procedures
• Use only compatible materials as specified by GRACO
• Perform routine maintenance checks
• Keep the unit clean and free from debris
• Monitor temperature and pressure settings regularly