The GRACO 15B266 is a replacement seat made from Buna-N (nitrile rubber), designed for use in Husky 1590 air-operated diaphragm pumps. It functions as a sealing component within the pump’s valve assembly, ensuring reliable fluid transfer and preventing leakage.

Key Features:

• Seat (valve seat)
• Husky 1590
• Buna-N (nitrile rubber)
• Husky 1590 series air-operated diaphragm pumps
• Durable Buna-N material for chemical resistance
• Designed for easy replacement and maintenance
• Reliable sealing for consistent pump performance

Applications:
Used in fluid transfer applications across industries such as mining, agriculture, chemical processing, and general industrial maintenance where Husky 1590 pumps are deployed.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, longevity, and safety of the pump system.
• Always follow the manufacturer’s recommended installation procedures.
• Inspect the seat and mating surfaces for damage before installation.
• Ensure proper alignment and seating to prevent leaks.
• Refer to the Husky 1590 pump manual for detailed disassembly and reassembly instructions.
• Regularly inspect and replace worn or damaged seats to maintain pump efficiency.
• Use only compatible replacement parts to avoid premature failure.
• Keep installation tools clean and use appropriate torque settings as specified in the manual.