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A heavy-duty, adjustable brass pressure relief valve for high-pressure power spray systems. It limits pressure buildup to protect your pump, hoses, and fittings. It's built for years of service and fully rebuildable when the time comes.
Available in 1/2" or 3/4". Select your size from the dropdown above.
| Part Numbers | 6815-1/2-700 (1/2") / 6815-3/4-700 (3/4") |
| Pressure Range | 300–700 PSI, adjustable |
| Inlet | Male NPT (1/2" or 3/4", matching the size selected) |
| Outlet | Female NPT (same size as inlet) |
| Material | Brass |
| Dimensions | A: 1.9" / B: 2.75" / Length at max opening: 6.62" |
Loosen the lock nut, then tighten the valve to raise the relief pressure or loosen it to lower the relief pressure. Retighten the lock nut when set.
Rebuildable with the Spraying Systems PK6815-700 Repair Kit.
Shop more pressure relief valves and pressure gauges.
https://www.qspray.com/spraying-systems-6815-pressure-relief-valve-700psi/ - Designed to control and limit the amount of pressure built up in system a pressure relief valve is key to keeping everything in working order. The Spraying systems 6815 PRV is heavy-duty and cost effective. Commonly found on gas powered systems the 6815 will give you many years of service but is completely re-buildable when the time comes. Lucky for you Qspray carries the PRV and the repair kit. Choose wisely between the 300 and 700 psi valve to get the right pressure, although they are easily adjustable. Visit Qspray.com to order yours today.
