Azbil Corporation No. SS2-8113-2610 - 3 - Cv value and travel Table 1 Body / trim material combinations and operating temperature ranges (°C) Body material Trim material SCPH2 SCPH21 SCS13 SCS14 Valve plug Seat ring Seat Port Cyaron ceramic SUS440C Cyaron ceramic 0 to +425 Silicon carbide ceramic Silicon carbide ceramic 0 to +425 Cyaron ceramic SUS316 Stellite armoting Cyaron ceramic 0 to +425 Silicon carbide ceramic Silicon carbide ceramic 0 to +425 Note) “ ” shows standard combination of body and trim materials. Table 2 Cv value and travel Nominal size (inches) 1 1. 2 2. 3 4 Port size (inches) - - - 3/4 1 1. 1 1. 1. 1. 1. 2 1. 2 2. 2 2. 3 Rated Cv value 4.0 6.3 11 11 17 24 17 24 44 24 44 68 44 68 99 68 99 175 Rated travel (mm) 14.3 25 38 a. Equal percentage characteristics (%C) b. Linear characteristics (LC) Figure 1 Flow characteristics Cv value (%) Travel (%) Cv value (%) Travel (%) 3 4