Graco 107078 O-Ring

Comprehensive Overview of Graco 107078 O-Ring

The Graco 107078 O-Ring is a genuine OEM sealing component designed to maintain pressure integrity and prevent fluid leaks in high-performance spray, coating and fluid-handling equipment.

Compatible Machines

• Graco Pneumatic Back-Pressure Regulator – Model 288262 (2 in sanitary inlet/outlet) — part 107078 is specified as the O-ring seal for this model. :contentReference[oaicite:1]{index=1}
• Graco Pneumatic Back-Pressure Regulator – Model 288311 (1-1/2 in NPT inlet/outlet) — this model also lists part 107078 in its parts list. :contentReference[oaicite:2]{index=2}
• Graco Surge Tank & Inlet/Outlet Fitting Assemblies — documentation shows “107078 O-ring (one required with each inlet/outlet fitting)”. :contentReference[oaicite:3]{index=3}

Key Features

• OEM-certified design ensures exact fit and performance with Graco machines.
• Critical sealing component used in high-flow, high-pressure fluid systems to prevent leaks and maintain system integrity.
• Compact and lightweight replacement part—easy to service without altering machine configuration. :contentReference[oaicite:4]{index=4}
• Compatible with various fluid & system types when used in the specified regulator or surge tank assemblies.

Technical Specifications

Installation & Maintenance Tips

• Depressurize the system fully and isolate fluid flow before replacing the O-ring.
• Inspect the sealing surface and grooves for wear or damage prior to installation.
• Lubricate the new O-ring with compatible lubricant (if recommended) and install carefully without twisting or stretching.
• Replace the O-ring as part of regular maintenance when fluid leaks, pressure loss or frequent system interventions are observed.

Frequently Asked Questions

Selecting the correct sealing component such as the Graco 107078 O-Ring helps maintain reliable operation, leak-free performance and pressure integrity in demanding fluid-handling systems.