The GRACO 15Y627 is a PTFE (polytetrafluoroethylene) O-ring packing, designed for use as a sealing component within GRACO fluid handling and color/catalyst change valve stacks. Its primary function is to provide a reliable, chemical-resistant seal in high-pressure and corrosive environments.

Key Features:

• O-Ring Packing
• #2-116 (Size 116)
• PTFE (Polytetrafluoroethylene)
• Up to 3000 psi (21 MPa, 210 bar) in some GRACO valve assemblies (see specific equipment manual for exact rating)
• Compatible with GRACO color/catalyst change valve stacks and other fluid handling equipment where PTFE seals are specified
• Chemical resistance due to PTFE material
• Suitable for high-pressure applications
• Reliable sealing performance
• Long service life in demanding environments

Applications:
Used in GRACO fluid handling systems, specifically within color and catalyst change valve stacks, to ensure leak-free operation and to withstand aggressive chemicals and high pressures.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, performance, and longevity of the equipment. Non-genuine parts may compromise system integrity and safety.
• Inspect the O-ring and mating surfaces for damage or contamination before installation
• Ensure correct O-ring size and material for the application
• Follow GRACO equipment manual instructions for disassembly and reassembly of valve stacks
• Lubricate O-ring if recommended by the manual (note: some GRACO air piston O-rings and packings are not lubricated)
• Tighten components to specified torque values to avoid over-compression or under-compression of the O-ring