The GRACO 239121 is a surge suppressor designed for use with Husky 750 pumps. It features a polypropylene (PP) wetted bottom housing and a non-wetted top housing, with a PTFE bellows for chemical resistance. Its primary function is to dampen pressure surges in paint and coating circulation systems, protecting equipment and ensuring smooth operation.

Key Features:

• Surge Suppressor
• Husky 750, 3/4-inch
• Polypropylene (PP) wetted bottom housing, non-wetted top housing, PTFE bellows
• Max fluid pressure: 8 bar (800 kPa)
• Compatible with GRACO Husky 750 pumps and similar paint/coating circulation systems
• High durability and precision
• Easy to install and maintain
• Reliable performance in demanding environments
• PTFE bellows for chemical resistance

Applications:
Used in automotive, aerospace, industrial painting and coating systems, and general surface technology applications.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment.
• Install the surge suppressor using a tee in the pump’s air supply line before any pump controller or instrumentation such as filters, regulators, or control valves.
• Follow manufacturer torque specifications for clamp bands, ring flanges, or other fasteners as detailed in the GRACO manual.
• Regularly inspect and maintain the suppressor to ensure continued reliability.