Azbil Corporation No. SS2-8113-1200 - 3 - Note) The above graphs indicate typical flow characteristics. Table 1 Body / trim material combinations and operating temperature ranges (°C) Body material Trim material JIS body SCPH 2 SCPH 21 SCPH 32 SCPH 61 SCS 13A SCS 14A bonnet SFVC2A SFVCF11A SFVAF22B SFVAF5B SUSF304 SUSF316 ASTM body A216 WCB A217 WC6 A217 WC9 A217 C5 A351 CF8 A351CF8M*1 bonnet A105 A182F11 A182F22 A182F5 A182F304 A182F316 Valve plug Cage Seat ring -5 to 425 -5 to 425 -5 to 425 -5 to 425 - - SUS 630 SUS 630 (SCS24)*2 SUS 630 (SCS24)*3 SUS 304 Atomlloy treatment SUS 304 Atomlloy treatment (SCS 13A Atomlloy treatment)*2 SUS 316 Stellite (SCS 14A Stellite)*3 -5 to 425 -5 to 500 -5 to 500 -5 to 500 -5 to 500 -5 to 500*1 SUS 316 Stellite SUS 304 Atomlloy treatment (SCS 13A Atomlloy treatment)*2 SUS 316 Stellite (SCS 14A Stellite)*3 -5 to 425 -5 to 500 -5 to 500 -5 to 500 -5 to 500 -5 to 500*1 SUS 316 Stellite face SUS 316 Stellite face+Atomlloy treatment (SCS 14A Stellite face+ Atomlloy treatment)*2 SUS 316 Stellite face (SCS14A Stellite face)*3 -5 to 425 -5 to 550 -5 to 556 -5 to 556 -5 to 550 -5 to 550*1 Note) 1) " " shows standard combination of valve body and trim material. 2) *1: For ASTM A351CF8M, the maximum temperature can be +566°C. 3) *2: When the nominal size is 3 inches or over, the equivalent cast material shown in parenthesis is applied. 4) *3: When the nominal size is 4 inches or over, the equivalent cast material shown in parenthesis is applied. 5) The standard material for piston ring is Ni-resist. When a valve needs oil-free treatment or is used for high temperature fluid more than 230°C, the piston ring material is changed to Stellite #21. Table 2 Cv value and travel Nominal size (inches) 1. 2 3 4 6 8 Port size (inches) 1 1 . 1 . 1 . 1 . 2 2 2 . 3 2 . 3 4 4 5 6 5 6 8 Rated Cv value Equal percentage (%V) JIS 63K ANSI 900, 1500 JPI 900, 1500 12 17 25 17 25 52 52 78 110 78 110 180 180 270 375 270 375 650 ANSI 2500 JPI 2500 - 12 17 12 17 31 31 52 78 52 78 125 125 180 270 180 270 470 Equal percentage (%V) JIS63K ANSI 900, 1500 JPI 900, 1500 12 20 30 20 30 62 62 90 135 90 135 210 210 330 485 330 485 700 ANSI 2500 JPI 2500 - 12 20 12 20 43 43 62 90 62 90 150 150 210 330 210 330 520 Rated travel (mm) 25 38 50 75 a. Equal percentage characteristics (%C) b. Linear characteristics (LC) Figure 1 Flow characteristics 100 20 20 40 60 80 100 5 10 20 50 Travel (%) Cv value (%) 100 00 20 40 60 80 100 20 40 60 80 Travel (%) Cv value (%) 2 4