The GRACO 563173 is an automatic relief indicator designed for use with MSP, MXP, MHH, and MJ divider valves. It features a 1/8 in. NPT connection with an O-ring seal and is constructed for reliable operation in lubrication systems. Its primary function is to indicate when a lube line is blocked, allowing the system to continue supplying lubrication to other points while signaling the blockage for maintenance attention.

Key Features:

• Automatic Relief Indicator
• 1/8 in. NPT
• 1500 psi (103 bar)
• MSP, MXP, MHH, and MJ Divider Valves
• O-ring seal for leak prevention
• Automatic relief function allows continued system operation during blockage
• Reliable indication of lube line blockage
• Spring resets piston after pressure is relieved
• Pressure rating stamped on body for easy identification

Applications:
Used in industrial lubrication systems to monitor and indicate blockages in lube lines, ensuring continued lubrication to other points and minimizing downtime.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the lubrication system.
• Ensure proper thread engagement and torque for 1/8 in. NPT connections
• Check O-ring seal for integrity before installation
• Install in accordance with GRACO equipment manual instructions
• Regularly inspect for signs of wear or leakage
• Use a separate pressure switch connected to an audible or visual alarm to warn of high pressure, as recommended by GRACO