No. SS2-8193-0200 Azbil Corporation - 2 - Material Valve plug Standard…………PTFE Additional spec…..Glass-reinforced PTFE ASTM CW-12MW (equivalent to Hastelloy-C) Plug stem SUS316 Plug design and material combination For the operating temperature and pressure ranges of plug bellows type, refer to Figure 1. Note) Seat: Integrated to valve body Actuator Type Single acting diaphragm actuator (model PSK) Action Direct or reverse action Diaphragm Cloth-embedded ethylene propylene rubber Spring range 80 to 240 kPa {0.8 to 2.4 kgf/cm2}, 120 to 290 kPa {1.2 to 3.0 kgf/cm2} Supply pressure 270 to 390 kPa {2.8 to 4.0 kgf/cm2} Note) Allowable differential pressure varies depending on spring range and air supply pressure. Refer to Table 2. Air connection Rc1/4 or 1/4NPT internal thread Ambient temperature -30 to 70 °C Valve action Air-to-close (Direct action actuator is combined) Air-to-open (Reverse action actuator is combined) Optional accessories Positioner, Pressure regulator with filter, Limit switch, top hand wheel, Solenoid valve, Lock-up valve. Note) For the optional items, refer to the specification sheets and installation drawings of respective accessories. Additional specification (by special order) . Oil/water free treatment . Copper free treatment . Stainless steel (SUS304) atmosphere-exposed nuts and bolts. . Vinyl-wrapped copper tubing . ASTM CW-12MW valve stem (equivalent to Hastelloy-C) Performance Rated Cv value Refer to Table 1. Inherent rangeability 30 : 1 (linear), 20 : 1 (equal percentage) Allowable differential pressure Refer to Table 2 and 3. Leakage specification IEC 60534-4:2006 or JIS B2005-4:2008 Class IV: Leakage less than 0.01% of maximum valve capacity. Hysteresis error Without positioner: Within 1% F.S. Linearity With model AVP/HEP positioner:Within ± 2% F.S. With model VPE positioner: Within ± 3% F.S. Dimensions Refer to Figure 4, Table 4 and Table 5. Weight Refer to Table 6. Finish Blue (Munsell 10B5/10) or silver, or other specified colors. Plug design Material General plug type PTFE Glass-reinforced PTFE ASTM CW-12MW Plug bellows type PTFE Table 1 Cv value and Travel Nominal size (inches) 1 1. 2 3/4 Rated Cv value 1.0 1.6 2.5 4.0 6.0 10 10 15 20 15 20 35 Equal percentage (%C) .. .. .. .. .. .. .. .. .. .. .. .. Linear (LC) .. .. .. .. .. .. .. .. .. .. .. .. On-off - - - - .. .. - - .. - - .. Rated travel (mm) 20 Note) ..: Available