Ideal for professional plumbers, HVAC technicians, and homeowners requiring reliabled reverse flows in residential, commercial, or industrial fluid controls systems Its engineered disc mechanism guaranteeing instantaneous shutoff during backflow scenarios, safeguarding pumps and pipelines from damage in demanding hydraulic applications Featuring double threaded connection and a heavy duty design, the ensures leak proof in extreme temperatures while enabling tool less installation on standard piping networks Perfectly suited for water supply lines, boiler systems, processing units, and irrigation setups where brass check are critical for maintaining unidirectional flows integrity Engineered with premium grade brass and reinforced thickness, this 1 inch vertical check delivers exceptionally resistance and high pressure endurances for industrial grade plumbing systems components, Manufacturer: Kalttoy