Parallel Slide Blow-off Valves are rack and pinion operated and come with flanged ends for maximum boiler operating pressure of 350 PSIG [24.6 Kg/ square cm] at 800°F. The Blow-off Valves are made of quality grade cast steel to ensure durability and long functional life. The Blow-off Valves are tested at 700 PSIG. [49.2 Kg/ square cm] hydraulic pressure and widely used in many industrial applications. Parallel Slide Blow-off Valves are available in various specifications as per requirement.