VB85 Unloader Valve

The VB85 unloader is built for high-volume pressure washing and hydro-excavation applications where reliability and consistent pressure control matter. Designed to handle demanding commercial use, this unloader regulates system pressure while safely diverting flow in bypass when the trigger is released, helping protect your pump and extend equipment life.

With heavy-duty brass construction and smooth pressure adjustment, the VB85 is a dependable choice for operators running larger pumps and higher flow systems. Whether you’re working in fleet washing, industrial cleaning, or hydro-excavation, this valve provides the control and durability you need to keep operations running efficiently.

Key Features

• High-flow capacity for commercial pressure systems
• Durable brass body construction for long service life
• Adjustable pressure control for precise system tuning
• Protects pump components by managing bypass flow
• Ideal for hydro-excavation, industrial washing, and fleet applications
  

Specs:

• Max Pressure: up to 4,050 PSI
• Max Flow: up to 21 GPM
• Ports: 1/2" NPT Inlet x Outlet, 1/2" F Bypass
• Max Temp: 195°F
• Material: Forged brass body with blue spring
• Stainless steel plunger and seat
• Pressure actuated
• Application: Pressure washing / hydro excavation systems