Some systems may require installation of a pressure relief valve at the pump outlet to prevent overpressurization and rupture of the pump or hose. Thermal expansion of fluid in the outlet line can cause overpressurization. Thermal expansion can occur when using long fluid lines exposed to sunlight or ambient heat, or when pumping from a cool to a warm area (for example, from an underground tank). Overpressurization also can occur if the Husky pump is used to feed fluid to a piston pump, and the intake valve of the piston pump does not close, causing fluid to back up in the outlet line. Features 150 PSI (10.3 bar)ss/tf Specifications Fluid Pressure Relief Kit for Husky Models: Husky 307 Plastic Pumps Husky 515 Plastic Pumps Husky 716 Plastic Pumps Husky 1050 Plastic Pumps Husky 1590 Plastic Pumps Husky 2150 Plastic Pumps Husky 3275 Plastic Pumps Downloads Product Manual (PDF Download)
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