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Graco 238988 Surge Suppressor 1-1/2 Sanitary

The Graco 238988 Surge Suppressor stabilizes fluid flow and reduces pulsation in industrial paint and coating systems. Ideal for high-flow, sanitary applications.

  • 1‑1/2″ Sanitary Tri‑Clamp Connections
  • Stainless Steel Construction
  • Reduces Pressure Spikes in Fluid Lines
  • Supports High Flow Systems up to 20 GPM
  • Max Pressure: 300 PSI

Retail Price: $9140
You save: $205.65 (2.25%)
Our Price: $8934.35
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Compatible Machines & Systems for Graco 238988 Surge Suppressor

  • Industrial paint circulation systems with high volumetric flow requirements
  • Automated finishing and coating lines where pulsation control improves finish quality
  • Paint kitchen systems in manufacturing facilities using tri‑clamp sanitary connections
  • High flow rate fluid handling systems requiring smooth, consistent material delivery
  • Large spray booths with 1‑1/2″ sanitary lines and high‑pressure fluid supply

Product Overview – Graco 238988 Surge Suppressor

The Graco 238988 Surge Suppressor, also known as a high‑volume surge tank, is designed to reduce unwanted pulsation and stabilize fluid flow in industrial finishing and fluid handling circuits. It is built with a 1‑1/2″ sanitary tri‑clamp inlet and outlet for seamless integration into systems that use sanitary fittings. This helps maintain a consistent pressure profile, leading to smoother material delivery and improved performance in high‑flow applications. 

Specification Details
Part Number 238988
Connection Type 1‑1/2″ Sanitary Tri‑Clamp
Max Flow Rate 20 GPM (75.7 LPM)
Max Pressure 300 PSI (20.7 bar)
Material Stainless Steel & PTFE Compatible

Description

The Graco 238988 Surge Suppressor is a robust accessory used in fluid delivery systems to minimize pulsation and deliver a consistent fluid stream. Constructed from stainless steel and compatible with a variety of finishing materials, it is particularly suited to applications where maintaining fluid stability across high flow rates is essential. Its sanitary tri‑clamp design allows for quick installation and cleaning, making it ideal for environments that demand hygiene and easy maintenance. 

Frequently Asked Questions

A surge suppressor (or pulsation dampener) like the Graco 238988 reduces pressure spikes and drops in fluid lines, resulting in smoother fluid delivery and improved application performance.

The 238988 is not specific to a single pump model. It fits into systems with compatible 1‑1/2″ sanitary tri‑clamp fluid lines, commonly found in large paint circulation or finishing systems rather than small portable sprayers.

Regular flushing and inspection of seals and sanitary connections helps prevent build‑up and ensures reliable performance. Follow manufacturer guidelines for best results. 

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