

The Graco 830351 Fluid Regulator with Dump Valve provides precise fluid pressure control and quick dump capability for low-pressure spraying systems.
The Graco 830351 Regulator, Fluid w/ Dump Valve is a high‑quality fluid pressure regulator with integrated dump valve used to control and maintain consistent fluid pressure in low pressure spraying and finishing systems. It’s designed for rugged industrial use where precise fluid control and quick flush capability are required. :contentReference[oaicite:0]{index=0}
| Part Number | 830351 |
|---|---|
| Type | Fluid Pressure Regulator with Dump Valve |
| Maximum Inlet Pressure | 250 psi (18 bar) |
| Regulated Range | 3–100 psi |
| Flow Capacity | Up to ~3.0 GPM (low pressure systems) :contentReference[oaicite:5]{index=5} |
| Construction | Stainless Steel, PTFE, Tungsten Carbide, Nylon :contentReference[oaicite:6]{index=6} |
| Dump Valve | Included (integrated for fast pressure relief) :contentReference[oaicite:7]{index=7} |
The integrated dump valve allows the regulator to quickly relieve fluid pressure when needed, aiding flushing and safe service during maintenance. :contentReference[oaicite:8]{index=8}
It is typically installed between the pump output and spray guns or dispense valves in low pressure fluid delivery systems to maintain consistent downstream pressure. :contentReference[oaicite:9]{index=9}
This regulator is suited for low pressure fluid regulation and accepts a variety of materials, but fluid viscosity limits should be confirmed with your specific system requirements. :contentReference[oaicite:10]{index=10}
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