The GRACO 16K258 Piston is a precision-engineered component made from UHMW (Ultra-High Molecular Weight Polyethylene), designed for use within GRACO fluid handling equipment. Its primary function is to provide reliable, wear-resistant movement within pumps or other mechanisms, ensuring efficient and durable operation in demanding industrial environments.

Key Features:

• Piston
• 30.381 mm (1.2 inches) diameter, 1/2 inch unspecified dimension (likely length or bore, but not confirmed)
• UHMW (Ultra-High Molecular Weight Polyethylene)
• Designed for use in GRACO equipment; specific models not listed
• High wear resistance due to UHMW construction
• Engineered for reliability and long service life
• Suitable for demanding industrial applications

Applications:
Used in GRACO fluid handling systems for industries such as lubrication, maintenance, mining, and agriculture, where robust and reliable piston components are required.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, compatibility, and longevity of equipment.
• Ensure equipment is powered off and depressurized before installation
• Follow manufacturer guidelines for piston installation and alignment
• Inspect piston and mating surfaces for wear or damage prior to installation
• Use appropriate tools and safety equipment
• Regularly inspect piston for wear or damage
• Replace piston as part of scheduled maintenance or when performance issues arise
• Keep mating surfaces clean and free of debris