The GRACO WMC51A1 Therm-O-Flow Supply Unit is a robust, temperature-controlled supply system designed for handling warm melt materials. It features a 68:1 air motor ratio, is constructed with durable materials suitable for industrial environments, and is intended for use in applications requiring precise temperature conditioning and reliable material delivery within GRACO equipment.

Key Features:

• Warm Melt Supply Unit
• WMC51A1, 68:1ACS, D60-20A, 240V, A
• Industrial-grade materials (specific wetted materials include electroless nickel plated ductile iron, EPDM, PTFE coated aluminum, 6061 aluminum, Buna, Viton, zinc plated steel, 316 stainless steel, 17-4 stainless steel)
• 6800 psi (34 MPa, 375 bar) at 68:1 ratio
• Designed for use with GRACO Therm-O-Flow Bulk Warm Melt Supply Systems; compatible with various warm melt materials
• Superior heat control for temperature conditioning
• Modular design for easy plug-in installation
• Up to 32 heat zones (with expansion kits)
• Intuitive, easy-to-use interface
• Compact footprint (approx. 3x3 ft / 1x1m)
• Advanced air motor technology and powerful piston pump
• Reliable performance and ease of maintenance

Applications:
Used for lowering or maintaining material viscosities, heating true warm melt materials, and delivering consistent material supply in industrial settings such as sealant and adhesive applications, including solar panel edge sealing and other temperature-sensitive processes.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety of the supply system.
• Follow GRACO installation guidelines for electrical and pneumatic connections
• Ensure proper grounding and voltage supply (240V AC)
• Place unit near application for efficient material delivery
• Use recommended maintenance schedules for air motor and pump components
• Consult manual for specific material compatibility and manifold requirements
• Regularly inspect and maintain air motor and pump
• Monitor temperature zones for consistent material conditioning
• Use only compatible materials and accessories as specified by GRACO