Unloader Valve – Spring Type

Engineered for durability and smooth operation, this spring-style unloader valve delivers consistent high-flow performance in demanding systems. Designed with enhanced internal features for improved strength, efficiency, and longevity. 10.5 GPM flow rate handles high-demand systems Two 3/8" F x 3/8" F inlets and two 3/8" F bypass ports Rated up to 194°F for high-temperature applications Efficient interior design improves flow and system response Dual locking nuts resist vibration and maintain pressure settings Spring resists fatigue and corrosion with powder-coated finish Larger piston diameter adds strength and better shifting alignment Discharge nipple with lower O-ring position boosts hydro and fitting strength Hex-shaped shutter valve reduces binding and increases service life