Stop Pressure Spikes. Stop Downtime.

When an unloader starts sticking, surging, or leaking, your entire rig becomes unreliable.
The VB350S/YU5075KS is built for contractors running up to 5650 PSI who need stable pressure control under real working conditions — not homeowner duty cycles.

Designed for commercial triplex pump systems and daily use.

⚙️ Key Specifications

• Model: VB350S/YU5075KS
• Maximum Pressure: 5650 PSI
• Maximum Flow Rate: 10 GPM
• Inlet Port: 3/8" BSP-M
• Outlet Port: 3/8" BSP-F
• Bypass Port: 1/2" BSP-F
• Adjustment Type: Nut
• Material: Brass / Forged Brass / Stainless components
• Manufacturer: PA

This is the type of unloader you run on:

• Truck-mounted rigs
• Trailer skid units
• Flatwork & building wash systems
• Fleet wash setups

💪 Why Contractors Choose This Model

✔ Holds consistent pressure under load
✔ Reduces pressure fluctuation & trigger shock
✔ Handles long run times
✔ Reliable replacement for worn OEM unloaders
✔ Designed for commercial—not box store—machines

When you’re running jobs back-to-back, you don’t need guesswork.

🛠 Important Fitment Info

Before ordering, confirm:

• PSI rating matches your pump
• GPM capacity is within range
• Port sizes & thread types match your plumbing
• Spring color aligns with your pressure setup

If you’re unsure, match your existing model number or verify pump specs.