No. SS2-8113-0300 Azbil Corporation - 14 - Allowable differential pressure Quick-opening-type metal (Stellite) seat (QS) : PTFE packing Valve with Type PSA, HA or VA actuator Note) Columns bordered with solid lines(" ”), denote types provided with standard-type actuator Table 15 Air-to-close Actuator model No. Supply pressure kPa {kgf/cm2} Differential pressure (by port size (inches)) kPa {kgf/cm2} 1. 2 2. 3 4 6 8 PSA1D 140 {1.4} 320 {3.3} 200 {2.0} 290 {3.0} 1470 {15.0} 960 {9.8} HA2D 140 {1.4} 1090 {11.1} 600 {6.1} 400 {4.1} 300 {3.1} 150 {1.5} 290 {3.0} 3060 {31.2} 1920 {19.6} 1220 {12.5} 910 {9.3} 490 {5.0} HA3D 140 {1.4} 1920 {19.6} 1060 {10.8} 720 {7.4} 540 {5.5} 250 {2.6} 120 {1.2} 290 {2.8} 3920 {40.0} 3400 {34.7} 2170 {22.1} 1620 {16.5} 870 {8.9} 390 5390 {4.0} {55.0} HA4D 140 {1.4} 1240 {12.7} 930 {9.5} 450 {4.6} 200 {2.1} 150 {1.5} 290 {3.0} 3750 {38.2} 2790 {28.5} 1520 {15.5} 680 {6.9} 460 {4.7} VA5D 140 {1.4} 280 {2.9} 200 {2.1} 290 {3.0} 850 {8.7} 580 {5.9} Spring range kPa {kgf/cm2} 20 to 51 {0.2 to 0.52} 20 to 61 {0.2 to 0.62} 20 to 59 {0.2 to 0.6} 20 to 59 {0.2 to 0.6} 20 to 72 {0.2 to 0.73} 20 to 67 {0.2 to 0.68} 20 to 72 {0.2 to 0.73} Table 16 Air-to-open Actuator model No. Supply pressure kPa {kgf/cm2} Initial spring compression kPa {kgf/cm2} Differential pressure (by port size (inches)) kPa {kgf/cm2} 1. 2 2. 3 4 6 8 PSA1R 140 {1.4} 20 {0.2} 110 {1.1} 70 {0.7} 270 {2.8} 80 {0.8} 490 {5.0} 310 {3.2} HA2R 140 {1.4} 20 {0.2} 240 {2.5} 170 {1.7} 98 {1.0} 80 {0.8} 40 {0.4} 270 {2.8} 80 {0.8} 981 {10.0} 640 {6.5} 400 {4.1} 300 {3.1} 180 {1.8} HA3R 140 {1.4} 20 {0.2} 440 {4.5} 290 {3.0} 180 {1.8} 140 {1.4} 80 {0.8} 30 {0.3} 270 {2.8} 80 {0.8} 1740 {17.8} 1170 {11.9} 720 {7.4} 540 {5.5} 300 {3.1} 140 {1.4} HA4R 140 {1.4} 20 {0.2} 310 {3.2} 240 {2.4} 140 {1.4} 60 {0.6} 40 {0.4} 270 {2.8} 80 {0.8} 1240 {12.7} 930 {9.5} 530 {5.4} 240 {2.4} 160 {1.6} VA5R 140 {1.4} 20 {0.2} 190 {1.9} 80 {0.8} 50 {0.5} 270 {2.8} 80 {0.8} 720 {7.4} 320 {3.3} 220 {2.2} PSA6R 500 {5.0} 200 {2.0} 1410 {14.4} 620 {6.3}