The GRACO 191781 is a stainless steel diaphragm shaft designed for use in Husky 307 and Herkules 338 air-operated diaphragm pumps. It serves as a critical component in the pump assembly, facilitating the transfer of motion from the air motor to the diaphragm for fluid displacement.

Key Features:

• Diaphragm shaft
• 307 (for Husky 307 pumps)
• Stainless steel
• Husky 307, Herkules 338 air-operated diaphragm pumps
• Stainless steel construction for durability and corrosion resistance
• Precision-engineered for reliable operation in demanding environments
• Essential for maintaining pump performance and longevity

Applications:
Used in air-operated diaphragm pumps for transferring a wide range of fluids in industrial, mining, and agricultural settings.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with your equipment.
• Always refer to the pump manual for specific installation instructions
• Ensure proper alignment and secure fitment of the shaft
• Inspect and replace worn or damaged components during maintenance
• Use recommended tools and follow safety guidelines