Product Details: The Muncie 300-3000 psi 30 GPM Pilot Operated Relief Valve is designed to provide maximum system pressure protection. This valve can be inline or tee mounted and is low profile and compact in design. It is rated at an adjustable pressure range of 300-3000 psi. This valve is ideal for applications that require precise pressure control and reliable protection. FleetPride is your First Click in Heavy Duty®.