The GRACO 27421A-1-300 Piston Head is a replacement part designed for use in GRACO air-operated double diaphragm (AODD) pumps and similar equipment. It is typically constructed from durable materials such as engineered plastics or metals, intended to provide reliable sealing and smooth operation within the pump assembly.

Key Features:

• Piston Head
• 27421A-1-300
• Designed for GRACO AODD pumps and compatible equipment
• Durable construction for long service life
• Engineered for reliable sealing and smooth operation
• Ease of maintenance and replacement

Applications:
Used in GRACO air-operated double diaphragm (AODD) pumps for fluid transfer applications in industrial, chemical, and manufacturing environments.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment.
• Ensure the pump is depressurized and disconnected from power before installation.
• Follow the equipment manual for specific installation instructions.
• Inspect the piston head and mating surfaces for wear or damage before installation.
• Use appropriate tools and safety equipment during installation.