This 8 Inch Ames Fire and Waterworks, series 1000DCV, detector check valve is used in fire protection applications to detect leakage or unauthorized use of water in fire sprinkler systems. This valve features a fabricated steel body construction and stainless steel linkage. It comes with 125 pound flanged ends and can be installed in a horizontal or vertical position and has a gallons per minute meter. The maximum pressure is 175 psi (12.06 BAR).