The Graco 16X440 Chromex Rod is a durable internal pump component designed for the Mark IV ProContractor Series. It supports smooth piston movement and reliable material flow in professional airless sprayers.
The Graco 16X440 Chromex Rod is a precision-engineered internal pump component designed for the Mark IV ProContractor Series airless sprayers. This rod plays an important role in the sprayer’s fluid pump system, helping move coatings and materials through the pump during operation.
Manufactured with Chromex coating technology, the rod offers enhanced durability and resistance to wear. The hardened chrome surface improves performance in demanding spraying environments where contractors regularly apply paints, primers, and heavier coatings.
| Feature | Description |
|---|---|
| Part Number | 16X440 |
| Component Type | Chromex pump rod used inside the sprayer fluid pump assembly. |
| Material Technology | Chromex hardened coating designed to increase durability and reduce wear. |
| Function | Supports the pump’s piston movement to draw and push coating materials through the sprayer system. |
| Application | Used in professional airless sprayers handling paint, primer, and heavy coating materials. |
The Graco 16X440 Chromex Rod is engineered for reliable operation within the pump assembly of the Mark IV ProContractor Series. During spraying, the rod moves within the pump system to maintain consistent fluid displacement and pressure.
Because of its Chromex coating, this component offers excellent resistance to abrasion and corrosion. This makes it suitable for professional contractors who rely on their airless sprayers for continuous, high-performance applications on construction and finishing projects.
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