GRACO Air Cap for Spra-Control™ Valve (4 inch pattern) - (SKU: 557498)The GRACO 557498 is an air cap designed for use with Air Lube Spra Control Valves. It functions as an air nozzle to control and direct the spray pattern of lubricant or oil in centralized lubrication systems. Material is not specified. Key Features: Air Cap Air Nozzle 4 inch spray pattern (101. 6 mm) For use with Air Lube Spra Control Valves; also compatible with Lubriquip part number 510 638 000 and Trabon part number 10638 Controls and directs spray

Replace the reservoir at recommended intervals or if signs of wear are present

These check balls are essential components that ensure proper sealing and flow direction within the pump

Inspect and clean mating surfaces before installation

Designed for ease of maintenance and reliability

The GRACO Husky 1050S-E is an air-operated double diaphragm pump constructed with stainless steel wetted parts and polypropylene (PO) diaphragms

Compact and lightweight for convenient handling and shipping

Acetal (balls)

Inspect seals and gaskets for wear and replace if necessary

The GRACO 651875 Husky 1050 is a stainless steel air-operated double diaphragm pump designed for industrial fluid transfer applications

Regularly inspect and maintain for long service life

Up to 38–50 GPM (varies by configuration and application)

some configurations may differ[2][3]