The GRACO 802-20 Piston Dispense Valve, Top Inner (SKU:. A1000007) is a positive displacement pinch action valve designed for precise dispensing of materials ranging from thin fluids to high-viscosity epoxies and metal-filled pastes. It features a micrometer adjustment for volumetric consistency and is constructed with disposable wetted parts for easy maintenance and cleaning. This part is intended for use within GRACO dispensing equipment to ensure accurate, repeatable dot or metered dispense applications.

Key Features:

• Positive displacement pinch action valve
• 802-20
• Disposable wetted parts, micrometer adjustment
• Operating air pressure: 70–100 psi (4.8–6.9 bar); Tube pressure: do not exceed 60 psi (4.1 bar)
• Compatible with a wide range of materials, from thin to high-viscosity, including epoxies and metal-filled pastes
• Micrometer adjustment for precise shot size
• Fail-safe design to prevent material dumping during power failure
• Disposable wetted parts for easy maintenance and cleaning
• Reliable, repeatable dispensing for dot-to-dot or metered applications

Applications:
Ideal for applications requiring precise, repeatable dispensing of adhesives, sealants, epoxies, and metal-filled pastes in manufacturing and assembly processes.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety of the dispensing system.
• Only trained personnel should install and operate the valve.
• Do not exceed specified air and tube pressure limits.
• Avoid using sharp tools during installation to prevent damage to U-cups and other components.
• Ensure all connections are secure and follow the equipment manual for proper installation.
• Regularly inspect and replace disposable wetted parts as needed.
• Clean the valve and surrounding area to prevent material buildup.
• Follow the manufacturer’s recommended maintenance schedule.