Azbil Corporation No. SS2-8110-1300 - 3 - Table 1 Body / trim material combination, operating temperature ranges, and cage design (°C) Body material Plug Cage material Plug Cage type (inches) Operating temperature (°C) Carbon steel (SCPH2) Stainless steel (SCS24) Cage Stack cage (1 to 8) (10, 12) -5 to +425 Low alloy steel (SCPH21, 61) Stainless steel (SCS24) Cage Stack cage (1 to 8) (10, 12) -5 to +425 Stainless steel (SCS14 hardfacing) Split cage (3 to 12) 426 to 500 Stainless steel (SCS13) Stainless steel (SCS14) Cage Stack cage (1 to 8) (10, 12) -195 to +200 Stainless steel (SCS 14 hardfacing or Stellite faced seat) Split cage (3 to 12) -195 to +200 201 to 600 (500°C when Atomlloy) Stainless steel (SCS14) Stainless steel (SCS14) Cage Stack cage (1 to 8) (10, 12) -195 to +200 Stainless steel (SCS14 hardfacing) Split cage (3 to 12) -195 to +200 201 to 600 Table 2 Cv value and rated travel Nominal size (inches) 1. 2 2. 3 4 6 8 10 12 Port size (inches) 1. 2 2. 3 4 6 8 10 12 Rated Cv value 13 24 37 54 96 210 380 600 860 Rated travel (mm) 25 25 37.5 37.5 37.5 50 75 100 100 Leakage at fully closure (Cv value) < 0.12 < 0.22 < 0.34 < 0.5 < 0.9 < 2.0 < 3.2 < 5.0 < 7.5 2 11