Page 117 - Facility Piping Systems Handbook for Industrial, Commercial, and Healthcare Facilities
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PIPING

                                                      PIPING                         2.67
























































                        FIGURE 2.38  Check valves. (a) Swing check; (b) lift check; (c) single flapper wafer check; (d ) double
                        flapper wafer check; (e) hall check.













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