General Pump ZH1520 Trapped Pressure Unloader | Summary
Designed for large-scale industrial pressure systems, the General Pump ZH1520 is a high-flow trapped pressure unloader that delivers reliable and consistent performance. With a massive flow rating of 52.8 GPM and a pressure capacity of 2465 PSI, it's a great choice for multi-gun or automated wash systems.
This unloader valve is built with robust brass components and features a 1" FNPT inlet, outlet, and bypass for seamless integration with high-flow equipment. Its compact footprint and panel mounting capability make it easy to install and maintain in any industrial setup.
ZH1520 1" FNPT General Pump Unloader Valve | Features
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Handles extremely high flow rates – up to 52.8 GPM
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Rated for 2465 PSI, with wide pressure adjustment range
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Brass body construction with durable internal components
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Inlet, outlet, and bypass all use 1" FNPT connections
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Built-in provisions for panel mounting in fixed systems
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Simple maintenance design minimizes downtime
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Trusted for large-scale and industrial pressure wash applications
| Specification | Details |
| Brand | General Pump |
| Part Number | ZH1520 |
| Max Flow | 52.8 GPM |
| Max Pressure | 2465 PSI |
| Max Temperature | 185°F |
| Inlet Port | 1" FNPT |
| Outlet Port | 1" FNPT |
| Bypass Port | 1" FNPT |
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