Graco 24G621 Agitator Speed Controller

Compatible Machines & Overview for Graco 24G621 Agitator Speed Control

Compatible Machines

• Graco in-drum back-geared agitators
• Heavy duty back-geared agitators
• Expanding blade agitator systems
• Twistork agitators
• Agitators powered by Graco air motors (e.g., 101140, 16A871)

The Graco 24G621 Agitator Speed Control is an automatic speed controller accessory designed to regulate and maintain consistent speed in air-driven agitators during fluid mixing operations. It helps prevent over-agitation, supports stable performance across changing drum fluid levels, and protects the motor from over-speed conditions.

What This Controller Does

• Maintains constant set speed even with fluid level changes
• Prevents over-agitation of shear-sensitive materials
• Reduces air consumption by limiting unnecessary speed
• Protects air motors from over-speed damage
• Quick installation for industrial agitator setups
• Improves energy efficiency
• Helps extend the life of the agitator motor

Product Specifications

Installation & Use Tips

• Install in place of needle valve on air line
• Connect main air line before testing speed
• Set speed before operation begins
• Check regulator and connections for leaks
• Ensure connectors are tightened securely
• Lubricate needle and o-ring periodically

Frequently Asked Questions