GRACO Air Operated Heated Mastic Fluid Pressure Regulator (246643) - (SKU: 246643)The GRACO 246643 is a heated, air operated fluid pressure regulator designed for use with low to high viscosity warm melt and hot melt sealants or adhesives. It is constructed with materials compatible with mastic fluids and is intended to provide precise pressure control for spray or extruder guns in GRACO equipment. Key Features: Air Operated Heated Mastic Fluid Pressure Regulator 246643 Metal housing with Viton seals and O rings for compatibility

Check for cracks or deformation during routine maintenance

specifically for use with EFR (Electric Fixed-Ratio Proportioner) systems

suitable for a variety of materials and surfaces

Replace the sensor assembly as recommended by GRACO or if performance issues arise

Monitors lube line integrity for critical bearings

Ensure the drum is stable and properly positioned before installation

Used for upgrading Series A High-Flo pumps in industrial fluid handling systems to improve performance and maintenance

high-pressure fluid injection in demanding applications

Used in GRACO spray guns and texture sprayers to seal the shaft and prevent fluid or air leakage during operation

It is engineered to reduce noise and exhaust emissions from airless paint sprayers and similar industrial equipment

It features a snuff-back mechanism to minimize stringing and drips

Replace the tube if signs of wear or degradation are present