Graco 188612 Acetal Piston Actuator

Graco 188612 Piston Actuator for Controlled Motion

Compatible Machines

• Graco diaphragm pump systems
• Graco pilot and control valve assemblies

The Graco 188612 Piston Actuator is engineered to deliver reliable linear motion inside Graco control mechanisms. It plays a critical role in maintaining accurate pressure-driven movement.

Key Features

• OEM piston actuator design
• Provides smooth and consistent stroke motion
• Resistant to wear and pressure fluctuations
• Supports stable system performance

Installation & Usage Tips

• Ensure piston chamber is clean before installation.
• Check seals and bearings during replacement.
• Verify free movement after assembly.

Frequently Asked Questions