General Pump YVB5121HT High Pressure Unloader Valve | Summary
The General Pump YVB5121HT is a rugged, high-capacity trapped pressure unloader designed for extreme-duty applications. Built to handle up to 5650 PSI and 21 GPM, this valve is perfect for car wash systems, pressure washing rigs, and multi-gun installations.
Its heavy-duty brass and stainless steel construction ensures lasting durability, while internal passage optimization reduces pressure loss for more consistent performance across multiple guns. A ¼" port is included for easy installation of a pressure gauge.
5650 PSI Trapped Pressure Valve for Multi-Gun Systems | Features
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Rated for 5,100 PSI and supports pressure spikes up to 5,650 PSI
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High flow capacity: handles up to 21 GPM
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Brass body with stainless steel internals for superior corrosion resistance
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Multi-gun compatible—ideal for commercial wash systems
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Built-in ¼" NPT pressure gauge port
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Engineered to reduce pressure drop in high-pressure systems
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Resilient Viton o-rings for high-temp applications
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Designed for continuous operation up to 140°F (short-term up to 195°F)
| Specification | Details |
| Brand | General Pump |
| Part Number | YVB5121HT |
| Max Flow | 21.0 GPM |
| Max Pressure | 5650 PSI |
| Max Temperature | 1/2" FNPT |
| Inlet Port | 1/2" FNPT |
| Outlet Port | 1/2" FNPT |
| Bypass Port | 140°F continuous, 195°F short-term |
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