The GRACO D0B400 is a replacement seat kit made from 17-4PH stainless steel, designed for use in GRACO air-operated diaphragm pumps. It provides a durable sealing surface within the pump’s fluid section, ensuring reliable operation and resistance to corrosion and wear.

Key Features:

• Seat Kit
• 1.5-inch
• 17-4PH Stainless Steel
• Compatible with GRACO Husky 1590 series air-operated diaphragm pumps[4][5]
• High corrosion resistance
• Durable construction for extended service life
• Designed for easy replacement and maintenance

Applications:
Used in industrial fluid transfer applications, particularly in environments requiring robust, corrosion-resistant components. Suitable for mining, agriculture, and other heavy-duty industries.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety of the pump system.
• Refer to the GRACO Husky 1590 pump manual for detailed installation instructions[5]
• Ensure proper alignment and seating of the seat kit during installation
• Inspect and replace o-rings and seals as needed during maintenance