About Crispin Valve
American-made since 1905, Crispin Valve manufactures air release, check and butterfly valves for the municipal water, industrial, mining, chemical, energy and processing industries. Air Valves include: Air Release, Air & Vacuum, Combination, Midget, Pressure Air Release, Negative Pressure and Vacuum Relief. Check valves include: Rubber Flapper, Tilting Disc, Globe, Wafer and Swing Check Valves. KFlo Butterfly valves include two designs in sizes ranging from 2" thru 168". We can also create customized valves for broad-based installations, with a wide-variety of materials, coatings, sizes and operating pressures available for your needs.