Azbil Corporation No. SS2-8193-0300 - 3 - Allowable differential pressure Table 2 Air-to-close Table 3 Air-to-open Table 1 Cv value and travel Nominal size (inches) 1 1. 2 2. 3 Port size (inches) . 3/4 1 1. 1. Rated Cv value 13 30 47 67 120 Rated travel (mm) 13 20 25 30 40 Figure 1 Flow characteristics Cv value (%) Travel (%) Actuator model No. Supply pressure kPa {kgf/cm2} Spring range kPa {kgf/cm2} Positioner Differential pressure (by Cv value or port size (inch) kPa {kgf/cm2}) 1 1. 2 2. 3 PSA1D 340 {3.5} 90 to 240 {0.9 to 2.4} .. 1960 {20.0} 110 to 240 {1.1 to 2.4} 1960 {20.0} HA2D 340 {3.5} 130 to 240 {1.3 to 2.4} .. 1960 {20.0} 110 to 240 {1.1 to 2.4} 1960 {20.0} 80 to 240 {0.8 to 2.4} 1270 {13.0} Actuator model No. Supply pressure kPa {kgf/cm2} Spring range kPa {kgf/cm2} Positioner Differential pressure (by Cv value or port size (inch) kPa {kgf/cm2}) 1 1. 2 2. 3 PSA1R 270 {2.8} 80 to 220 {0.8 to 2.3} .. 1960 {20.0} 80 to 200 {0.8 to 2.1} 1960 {20.0} HA2R 270 {2.8} 80 to 190 {0.8 to 1.9} .. 1960 {20.0} 80 to 200 {0.8 to 2.1} 1960 {20.0} 80 to 240 {0.8 to 2.4} 1270 {13.0} Note) ..: Positioner is necessary. 5 5