GRACO 557499 - Fluid Cap for Spra-Control Valve, 20-150 PSI Air Pressure

Lube nozzle component for GRACO Air-Lube Spra-Control Valve systems. This external mix nozzle is designed to work with centralized lubrication systems, providing precise lubricant application while conserving air usage. The nozzle purges itself to prevent clogging and enables efficient lubrication with smaller amounts at frequent intervals.

Specifications

• Max Working Pressure: 20-150 psi air pressure
• Spray Diameter: 4 inches (Normal)
• Nozzle Type: External mix, non-clogging

Features

• External mix nozzle design prevents clogging
• Self-purging capability
• Compatible with oil and grease applications
• Designed for frequent interval spraying
• Non-clogging external mix type

Applications

• Centralized lubrication systems
• Mechanical oiler applications
• Oil spraying (minimum 100 SUS at 100°F)
• Grease application (NLGI #1 at any temperature, NLGI #2 at 32°F or above)
• Bearing lubrication
• Gear spraying applications

Compatible Equipment

• Air-Lube Spra-Control Valve systems
• Centralized lube systems
• Mechanical oilers
• spray valve assembly shown in diagram

Related Parts

• 563275 - Complete Valve and Nozzle Assembly (4 in Normal)
• 560585 - Valve Body Only
• 557497 - Retaining Ring
• 557500 - Gasket
• 557498 - Air Nozzle Only
• 557497 - RING, retainer, valve spray
• 557498 - CAP, air valve spray (model 563275)
• 557501 - NUT, 3/4 inch-16 seal

This is specifically the lube nozzle component only for 4 inch normal spray pattern. Minimum air pressure required is 20 psi, maximum is 150 psi. Can handle various lubricants including oil and grease. This is part 8 in the assembly diagram and is included in Spray Valve Repair Kit 25A182 (purchase separately). Note orientation of these parts to ensure correct installation.

Reference Manuals

• L15840EN-C (Page 1)
• 3A3114 (Page 8)