The GRACO 121231 PLUG, ASSY, CAP, RATIO CHECK is a specialized plug assembly designed to cap or seal specific ports within GRACO lubrication or fluid handling equipment. Its intended use is to ensure proper sealing and maintenance of system integrity, particularly in ratio check or manifold applications. The material is not specified in available documentation.

Key Features:

• Plug, Assembly, Cap
• Ratio Check
• Designed for use with GRACO lubrication or fluid handling equipment, particularly in ratio check or manifold applications
• Provides secure sealing for unused ports; helps maintain system integrity and prevent contamination

Applications:
Used in lubrication systems, fluid handling, and maintenance of GRACO equipment where ratio check or manifold port sealing is required.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, performance, and system reliability.
• Ensure the port is clean before installation; hand-tighten the plug assembly to avoid over-torquing; inspect for leaks after installation; consult the equipment manual for specific torque requirements if available.
• Regularly inspect plug assemblies for wear or damage; replace if signs of leakage or degradation are present; use only GRACO-approved parts for replacements.