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Graco 238891 Fluid Pressure Regulator

The Graco 238891 Fluid Pressure Regulator provides precise fluid pressure control for high-pressure industrial spraying and dispensing systems. Durable stainless steel construction ensures reliability and consistent performance.

  • Pressure Range: 3000–5000 psi
  • Max Working Pressure: 6000 psi
  • Flow Capacity: 1.0 gpm
  • Ports: 3/8" female inlet/outlet, 1/4" gauge port
  • Material: Corrosion-resistant stainless steel
  • Design: Spring-operated for manual adjustment

$1392.3
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Graco 238891 Fluid Pressure Regulator Overview

The Graco 238891 Fluid Pressure Regulator is a high-pressure spring-operated regulator designed to provide consistent fluid pressure for industrial spraying and dispensing systems. Made with corrosion-resistant stainless steel, it ensures durability in harsh environments while maintaining precise pressure control between 3000–5000 psi.

Key Features

  • Pressure Range: 3000–5000 psi regulated output
  • Maximum Working Pressure: 6000 psi
  • Flow Capacity: 1.0 gpm (3.8 L/min)
  • Construction: Corrosion-resistant stainless steel
  • Ports: 3/8" female inlet/outlet, 1/4" gauge port
  • Design: Spring-operated manual adjustment

Compatible Machines

Machine Model Application
Graco HXP 5:1 Pump High-pressure industrial coating systems
Graco HXP 3:1 Pump Two-component dispensing systems
Graco GH 833 Pump Sealant and adhesive high-pressure application
Graco E-XP Series Spray Pumps General industrial spray and coating systems

Why Use the 238891 Regulator?

This regulator ensures stable fluid pressure to spray guns or applicators, reducing fluctuations that can affect spray patterns or dispensing accuracy. Its stainless steel construction makes it ideal for harsh fluids, adhesives, and industrial coatings.

Frequently Asked Questions

The regulator maintains a controlled output pressure range of 3000–5000 psi, with a maximum working pressure of 6000 psi.

It fits various high-pressure Graco pumps and industrial spray systems, including HXP 5:1, HXP 3:1, GH 833, and E-XP series pumps.

Yes, the stainless steel construction makes it suitable for many corrosive fluids, adhesives, and industrial coatings.

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