Overview
- The VRT3-310EZ-PKG unloader kit delivers professional, retail-ready pressure regulation for systems operating at
310 bar (≈4,500 PSI) with flows up to 10.5 GPM. - Kit centers on a VRT3 high-pressure unloader with EZ-style integration and smooth, repeatable bypass action.
- When the spray trigger is released, the valve immediately diverts flow to bypass, protecting pumps, hoses, guns,
and accessories from damaging pressure spikes. - Built for daily contractor and industrial use, helping crews maintain stable working pressure, reduce heat and chatter,
and get equipment back in service quickly.
What This Means for Your Rig
- For operations where uptime matters, a reliable unloader is the backbone of safety and performance.
- The VRT3-310EZ-PKG stabilizes pressure across long hose runs, turbo nozzles, and demanding tools.
- Retail kit format shortens install time for service counters and field techs.
- Cleaner plumbing, fewer leak points, and predictable adjustments deliver less downtime and a
consistent feel across multiple rigs and bays.
Performance Specs (Quick Reference)
- Max Pressure: 310 bar (approximately 4,500 PSI)
- Max Flow: up to 10.5 GPM
- Temperature: up to 194°F (90°C) typical for VRT3 class (confirm seal set for hot chemical use)
- Connections / Ports: Inlet, Outlet, Bypass – 3/8 in NPT female (National Pipe Thread, US)
- Control: adjustable high-pressure regulation (black-spring class) with smooth bypass action
- Typical Use: trapped-pressure unloader for commercial cold- or hot-water washers
Build & What Is in the Package (Retail Kit)
- Reinforced VRT3 body and precision valve stack engineered for continuous duty in harsh environments.
- Standardized port locations support clean routing to gauges, hose reels, and return-to-tank lines.
- EZ-style installation approach and retail packaging keep small parts organized for fast, consistent installs.
- Metal threaded ports support repeatable torque and leak-resistant sealing.
- Common VRT3 wear parts make preventive maintenance straightforward across fleets.
Benefits & Differentiators (Why Choose This Kit)
- High-pressure class: stable regulation in the 4,500 PSI range for heavy-duty cleaning power.
- Smooth bypass behavior: reduces pressure spikes, water hammer, and heat when the trigger cycles.
- Faster service: organized, retail-ready kit shortens installation time and minimizes downtime.
- Predictable maintenance: shared VRT3 wear parts and familiar repair practices across fleets.
- Clean plumbing: standardized NPT-female ports reduce adapter count and leak points.
- Proven platform: widely adopted by OEMs, service centers, and professional contractors.
Industries & Applications
- Contractor cleaning systems and mobile wash fleets
- Industrial washers and manufacturing plants
- Commercial facilities and maintenance crews
- Municipal and public works equipment washdown
- Construction and rental yards for heavy equipment cleaning
- Agriculture and food equipment washdown (with verified chemical compatibility)
Compatibility & Fit (Mounting, Plumbing, Nozzles)
- Plumbing & orientation: install downstream of the pump and upstream of the hose or reel. Route bypass back to tank
when your system requires recirculation. - Use thread sealants approved for high-pressure water service and verify torque on metal fittings.
- Porting standard: Inlet, Outlet, Bypass are 3/8 in NPT female (National Pipe Thread, US). If adapting to other thread standards,
use rated fittings and confirm sealing surfaces and flow path. - Power pairing: ideal for triplex pumps delivering up to 10.5 GPM in the 4,000–4,500 PSI range on gas-engine or electric builds.
- Include a thermal relief valve, inlet filtration, regulator and gauge, and burst-rated hose and wand assemblies
for a complete, protected system. - Nozzle & orifice guidance:
- Select a spray tip orifice that matches pump GPM at target PSI; correct orifice is essential for stable pressure and unloader performance.
- With water flowing (trigger open), adjust to reach working pressure, then secure the setting per your SOP.
- Turbo nozzles can create momentary spikes; ensure every component—including the unloader—is rated at or above system pressure with margin.
Setup, Service & Reliability
- Prime with clean water, purge air, and confirm supply before first start.
- Adjust pressure only with the trigger pulled to avoid false readings and over-pressure.
- Inspect inlet screens regularly and monitor for chatter or creeping pressure as indicators of wear or contamination.
- Service using appropriate VRT3 wear parts on a preventive schedule for consistent performance.
- Keep temperature, chemical exposure, and water quality within manufacturer limits to maximize seal life and efficiency.
What Is Included
- VRT3-310EZ-PKG unloader assembly (adjustable, high-pressure class).
- Retail-ready kit packaging for service and resale.
- Basic installation and setup guidance.
- Note: if your kit includes specific adapters or plugs, list them on your product page for installer clarity.
Notes
- Use the 310 bar (approximately 4,500 PSI) rating in titles and bullets for accuracy and consistent cataloging.
- Standardize your catalog to list 3/8 in NPT female for all VRT3 ports and call out any included adapters so installers
can match threads on the first visit.





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