7-2Reverse Action TypeDirect Action TypeNo. Parts Name No. Parts Name No. Parts Name1 Hex Nut 17 Hex Bolt 32 Rod2 Spring Washer 18 Bushing 33 Truss Screw3 Washer 19 Dust Seal 34 Scale Plate4 Handwheel 20 Stem Connector 35 Name Plate5 Lock Nut 21 Screw Shaft 36 Drive Screw6 Washer 22 Housing 37 Yoke7 O-Ring 23 Spring Pin 38 Rain Cap8 Bearing 24 Seal Washer 39 O-Ring9 O-Ring 25 Hex Bolt 40 Rod Packing10 Nut 26 Diaphragm Case(Top) 41 Bearing Washer11 Washer 27 Spring 42 Nut12 Diaphragm Retainer 28 Hex Bolt 43 Bearing Case13 Eye Bolt 29 Hex Nut 44 Setscrew14 Diaphragm 30 Diaphragm Plate 45 Connection15 Hex Nut 31 Diaphragm Case (Bottom) 46 Seal Washer16 Spring PlateFigure 7-1 Model PSA1 Actuator with Top Handwheel
