The GRACO D0C0G0 Ball Replacement Kit is a set of replacement balls designed for use in GRACO Husky 1590 series air-operated double diaphragm pumps. The kit is intended to restore or maintain the ball check valve function within the pump, ensuring reliable fluid transfer and preventing backflow. The balls are made from Geolast material, which offers chemical resistance and durability for demanding industrial applications.

Key Features:

• Ball Replacement Kit
• Husky 1590 series (1-1/2" double diaphragm pump)
• Geolast (elastomeric material for chemical resistance)
• GRACO Husky 1590 series air-operated double diaphragm pumps
• Designed for easy replacement and maintenance
• Geolast material provides chemical resistance and long service life
• Supports reliable pump operation and prevents backflow

Applications:
Used in industrial fluid transfer applications, including chemical processing, mining, agriculture, and other sectors requiring robust and reliable diaphragm pump operation.

Installation Notes:

• Using genuine GRACO replacement parts ensures optimal performance, compatibility, and longevity of the pump. Non-genuine parts may compromise pump efficiency and safety.
• Always relieve system pressure before disassembling the pump
• Clean all parts and inspect for wear or damage before installation
• Replace seats (201) when replacing balls (301) for proper seating and sealing
• Reassemble in reverse order of disassembly, following the manual’s instructions
• Apply medium-strength thread locker to specified threads and torque to recommended values (e.g., 120–150 in-lb or 14–17 N·m for manifold bolts)
• Ensure arrows on fluid covers point toward the outlet manifold for correct orientation