GRACO Back-Up Ring for Trabon Electrical/Mechanical Actuated Lube Pump, -014 PTFE - (SKU: 557642)The GRACO 557642 is a PTFE (polytetrafluoroethylene) back up ring designed for use with Trabon Lube Master pump packages. It serves as a critical sealing component within the pump assembly, helping to maintain proper lubrication system integrity by supporting and protecting primary seals from extrusion and wear. Key Features: Back Up Ring 014 PTFE PTFE (polytetrafluoroethylene) For use with Trabon Lube Master Pump Packages High chemical resistance due

Diffuser Dump Valve

or other fluids in industrial and commercial spray systems

stainless steel)

Ensure proper cleaning of the valve body to prevent contamination

long-term power supply in industrial environments

Protects internal control components

and professional applications requiring safe electrical grounding

but it is engineered for durability and easy maintenance

Swivel pipe fitting

Ensure all system pressure is relieved before servicing or replacing parts

Roller Cover Kit

Helps protect equipment from debris