The GRACO 189439 Seat, Piston, SST is a stainless steel piston seat component designed for use in GRACO displacement pumps. It serves as a critical sealing and guiding element within the pump assembly, ensuring reliable operation and fluid containment.

Key Features:

• Piston Seat
• Stainless Steel (SST)
• GRACO displacement pumps (specific models not listed in available data)
• Durable stainless steel construction for longevity
• Critical sealing function within pump assembly
• Designed for reliable operation in demanding environments

Applications:
Used in GRACO displacement pumps for fluid transfer and metering applications, suitable for industrial, mining, and agricultural settings.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment.
• Refer to the specific GRACO pump manual for detailed installation instructions
• Ensure proper torque specifications are followed during assembly (see manual for values)
• Inspect for wear or damage before installation
• Use appropriate tools and safety equipment