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Graco 222838 Valve Housing

Graco 222838 Valve Housing is a high-pressure replacement housing designed to maintain proper valve alignment, sealing, and fluid control in industrial spray and dispensing systems.

  • Used in spray foam and polyurea machines
  • Maintains consistent pressure and flow
  • Prevents internal leakage
  • Built for high-viscosity materials

$793.56
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Industrial Valve Housing for High-Pressure Spray Systems

Graco 222838 Valve Housing is a precision-engineered replacement part used in high-pressure spray, coating, foam, and polyurea systems. It forms the main body that supports internal valve components and ensures controlled, leak-free material flow under demanding operating conditions.

Compatible Machines

  • Graco Reactor Spray Foam Machines
  • Graco Polyurea Spray Systems
  • High-Pressure Industrial Coating Sprayers
  • Adhesive and Sealant Dispensing Systems
  • Plural-Component Proportioning Units

Product Overview

Part Number 222838
Product Type Valve Housing
Function Houses internal valve components and controls material flow
Application Spray foam, polyurea, coatings, and adhesive systems
Material Handling High-pressure, high-viscosity fluids

Key Functions

  • Supports and aligns internal valve assemblies.
  • Maintains consistent pressure and directional flow.
  • Prevents internal leakage and material backflow.
  • Ensures long-term reliability in continuous-duty environments.

Why Replacement Is Important

A worn or damaged valve housing can cause pressure loss, inconsistent spray patterns, internal leakage, and premature failure of other pump components. Replacing with the correct housing restores proper machine performance and protects the overall fluid system.

Frequently Asked Questions

It holds and supports the internal valve components that regulate fluid flow and pressure inside high-pressure Graco spray and dispensing systems.

No, it is the housing only. Internal valve parts such as seats, balls, and seals are typically purchased separately.

Common signs include pressure fluctuations, internal leakage, uneven spray output, and abnormal pump behavior.

Yes, professional installation is recommended to ensure correct assembly, sealing, and system safety.

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