Azbil Corporation No. SS2-8110-0530 - 5 - Figure 2 Flow characteristics : Glass, PFA, and ETFE lining type Cv value (%) Cv value (%) Cv value (%) Cv value (%) Travel (%) Travel (%) Travel (%) Cv value (%) Cv value (%) Travel (%) Travel (%) Cv value (%) Cv value (%) Travel (%) Travel (%) Travel (%) Line Body/Lining Diaphragm Reference No. FCD-S/Glass PTFE FCD-S/PFA PTFE FCD-S/ETFE PTFE a. 1/2 inch b. 3/4 inch c. 1 inch d. 1-1/2 inches e. 2 inches f. 2-1/2 inches g. 3 inches h. 4 inches 100 100 80 80 60 60 40 40 20 20 0 0 100 100 80 80 60 60 40 40 20 20 0 0 100 100 80 80 60 60 40 40 20 20 0 0 100 100 80 80 60 60 40 40 20 20 0 0 100 100 80 80 60 60 40 40 20 20 0 0 100 100 80 80 60 60 40 40 20 20 0 0 100 100 80 80 60 60 40 40 20 20 0 0 100 100 80 80 60 60 40 40 20 20 0 0 5 1