No. SS2-EGV100-0001 Azbil Corporation - 2 - Actuator Type Double acting piston actuator (Model DAP) Action Direct-action or reverse-action Supply pressure 490 kPa {5.0 kgf/cm2} Air connection Rc 1/4 Ambient temperature -30 to 70°C A pneumatic diaphragm actuator or an electric actuator can also be installed to order. Valve action Air-to-close (Used with direct action actuator configuration) Air-to-open (Used with reverse action actuator configuration) Optional Accessories Positioner, pressure regulator with filter, hand wheel, limit switch, solenoid valve, motion transmitter, booster relay, air failure backup or lock system, and others. Note) For optional items, refer to the specification sheets and installation drawings of respective accessories. Additional Specifications . Special inspections Flow characteristic inspection, material inspection (material certificate), non-destructive inspections . Special Air piping and joints Performance Rated Cv value Refer to Table 1. Inherent rangeability 30:1 Allowable differential pressure Refer to Table 2. Leakage specification IEC 60534-4:1999 or JIS B 2005-4:2008 Class V Hysteresis error Within 1% of F.S. (with positioner) Linearity Within ±1% of F.S. (with positioner) Finish Blue (Munsell 10B 5/10) or silver, or customer-specified color *1: Valve size 8 in. series uses an electric actuator. *2: For ANSI 2500 and Cv=10, the rated travel is 14.3 mm Flow characteristic Figure 1 Flow characteristics - Equal percentage (%C) Figure 2 Flow characteristics - Linear (%) Table 1 Cv value and travels Nominal size (in.) 1. 2 3 4 6 8 *1 Rated Cv value ANSI 1500 5 5 10 16 25 25 35 50 70 (110) ANSI 2500 2.5 2.5 6.3 10 16 16 25 35 50 (80) Rated travel (mm) 14.3 14.3 25.0 *2 25.0 37.5 50 0 50 100 100 50 Cv value (%) Travel (%) 0 50 100 100 50 Cv value (%) Travel (%)