GRACO Actuator, Crosshead, Casting - (SKU: 556789) Its primary function is to

Its primary function is to ensure proper seating and movement of the ball within the check valve

Designed for use with GRACO spray foam and material handling systems

or replacement of components in GRACO industrial equipment

spring type)

Compatible with Series Progressive

GRACO Actuator, Crosshead, Casting - (SKU: 556789) Its primary function is toThe GRACO 556789 is a crosshead actuator casting, likely a precision engineered component designed for use within GRACO fluid handling or lubrication systems. Its material is not explicitly stated in available documentation, but GRACO commonly uses metals such as cast iron, steel, or aluminum for such parts. This actuator is intended to facilitate controlled movement or actuation within GRACO equipment, ensuring reliable operation in demanding