GRACO Husky 1050 PP (NPT) Pump, Center Flange, PP Center Section, SP Seats, SP Balls & SP Diaphragm - (SKU: 649021)The GRACO 649021 Husky 1050 PP (NPT) Pump is an air operated double diaphragm pump featuring a polypropylene (PP) center section, center flange, and SP (Santoprene) seats, balls, and diaphragm. It is designed for reliable, efficient transfer of a wide range of fluids, including those containing solids, in industrial and maintenance applications. Key Features: Air operated double diaphragm pump Husky 1050, 1" NPT (nominal pipe size) Polypropylene (PP)

Compatible with GRACO equipment requiring part number 187934

and optimal performance with GRACO Xtreme Sprayers

Inspect the manifold and mating surfaces for damage or contamination before assembly

Supports lithium or AGM batteries as recommended by GRACO

For PT manifold

It is designed for use in surface preparation and coating removal equipment

but similar GRACO regulators often use robust metals and engineered plastics for durability

Minimizes overspray

Verify hardware revision and system serial number during setup

The GRACO 558211 is a base assembly designed for mobile applications

Replace o-rings as part of routine maintenance

Non-drip functionality