GRACO Corrosion Resistant Fluid Back Pressure Regulator, 300 Max psi, SST, Acetal & PTFE Wetted Parts, 1-1/4 (f) x 1-1/4 (f), with Gauge - (SKU: 224486) The GRACO 558307 is a

The GRACO 558307 is a piston injector designed for single-point lubrication distribution within automatic lubrication systems

ensuring proper sealing and operational integrity during fluid handling processes

GRACO Mark V pump systems

but it is intended for use with the EVO PLUS sprayer

GRACO Corrosion Resistant Fluid Back Pressure Regulator, 300 Max psi, SST, Acetal & PTFE Wetted Parts, 1-1/4 (f) x 1-1/4 (f), with Gauge - (SKU: 224486) The GRACO 558307 is aThe GRACO 224486 is a corrosion resistant, low shear fluid back pressure regulator designed for use in circulating air spray systems. It features stainless steel (SST), acetal, and PTFE wetted parts, ensuring compatibility with water based fluids and resistance to corrosion. Its primary function is to provide regulated back pressure to spray guns and maintain proper circulating pressure throughout the system. Key Features: Back Pressure Regulator