Graco 25P187 Kit, Cap, Ported, Med Air Valve

The Graco 25P187 Kit, Cap, Ported, Med Air Valve is a genuine OEM replacement kit designed to service the medium externally piloted air valve used on select Graco pneumatic air motors. Replacing worn or damaged air valve end caps helps maintain reliable air distribution, efficient motor cycling, and consistent pump performance while minimizing downtime.

Compatible Machines

The Graco 25P187 Kit, Cap, Ported, Med Air Valve is used on Graco equipment equipped with the medium externally piloted air motor and compatible air valve assembly, including:

• Graco Check-Mate® Pumps (models using the medium externally piloted air motor)
• Graco Dura-Flo® Pumps (compatible pneumatic models)
• Graco King® Pneumatic Pumps equipped with the medium externally piloted air motor
• Graco industrial transfer pumps using the medium externally piloted air valve assembly
• Graco extrusion pumps fitted with the medium externally piloted air motor
• Other Graco pneumatic equipment that uses the 25P180 Medium Air Valve assembly

Product Overview

This OEM service kit is designed to replace the ported end caps and related sealing components of the medium air valve assembly. Properly functioning air valve components are essential for maintaining smooth reciprocating operation and dependable air motor performance in demanding industrial applications.

Because this is a genuine Graco replacement part, it is manufactured to meet original equipment specifications for fit, durability, and long-term reliability.

Key Features

Benefits

• Restores efficient air valve operation.
• Helps reduce air leakage caused by worn end caps or seals.
• Supports smooth and consistent air motor cycling.
• Maintains OEM fit and dependable performance.
• Ideal for preventive maintenance and scheduled servicing.

Frequently Asked Questions