Page 168 - Valve Selection Handbook
P. 168

Check  Valves                     155

          Diaphragm Check     Valves


            Diaphragm  check  valves  such  as those  shown  in Figure  4-12  through
          Figure  4-15  are  not  as  well-known as  other  check  valves,  but  they
          deserve attention.




























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          Figure 4-15. Diaphragm Check Valve Incorporating Flattened Rubber Sleeve
          Closure Member, Used as Tide Gate.  (Courtesy of  Red Valve Company, Inc.)
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