The GRACO 25R844 is a high-pressure, ball-seat dispense valve designed for precise control and reliable dispensing of sealants and adhesives. It features a stainless steel fluid housing and is intended for use in demanding industrial applications where consistent performance and durability are required. The valve is suitable for remote solenoid mounting and is compatible with a wide range of materials.

Key Features:

• Ball-seat dispense valve
• 25R844
• Stainless steel fluid housing
• Up to 5000 psi (34.5 MPa, 345 bar) for ball-seat valves
• Compatible with various sealants and adhesives; configurable for different tip sizes and extensions
• High-pressure rating for demanding applications
• Ambient temperature operation (with optional heated version available for other models)
• Remote mount solenoid for flexible installation
• Configurable components for application-specific requirements
• Reliable, long-lasting performance
• Ease of maintenance with accessible internal components

Applications:
Used in industrial dispensing applications for sealants and adhesives, particularly where high pressure and precise control are required. Suitable for automated and manual dispensing systems in manufacturing, assembly, and maintenance environments.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise system integrity and void warranties.
• Ensure proper alignment and secure mounting of the valve
• Use appropriate tools for disassembly and reassembly (e.g., Allen key or rod to prevent piston rod rotation, 9 mm wrench for ball assembly removal)
• Inspect piston rod and ball assembly for wear or damage before installation
• Follow manufacturer guidelines for maintenance and replacement of seal kits and internal components
• Consult the equipment manual for detailed installation and maintenance procedures