The GRACO 158857 is a spacer cup designed for use as a fluid piston packing spacer within GRACO spray equipment. It is typically constructed from zinc-plated steel, providing corrosion resistance and durability. Its primary function is to maintain proper spacing and alignment of piston packing components, ensuring reliable operation and preventing leaks in high-pressure fluid handling systems.

Key Features:

• Spacer, Cup
• Zinc-plated steel
• Designed for use with GRACO spray equipment; specific models not detailed
• Exceeds 72-hour salt spray test for corrosion resistance
• Dirt-excluding check ball design (where applicable)
• Standard fitting thread size: 1/8 inch
• Reliable performance in demanding environments

Applications:
Used in GRACO spray equipment to maintain proper spacing and alignment of piston packing components, ensuring leak-free operation in high-pressure fluid delivery systems.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the equipment.
• Ensure all components are clean and free of debris before installation.
• Follow the equipment manual for specific installation procedures.
• Regularly inspect and replace worn or damaged spacers to maintain system integrity.