4-18
Direct Action Type (Model PSA1D) Reverse Action type (Model PSA1R)
Figure 4-13 Model PSA Actuator
No. Parts Name Material No. Parts Name Material
1 Nut S45C, SUS301 15 Hex Bolt SUS304
2 Diaphragm Case (Top) SAPH400 16 Hex Nut SUS304
3 Diaphragm EPDM, Polyimide 17 Spring Plate SUS304CP
4 Eye Bolt SUS304 18 Hex Bolt S30C
5 Hex Nut SUS304 19 Seal Washer NBR, SPCC
6
Diaphragm Case (Bottom)
SAPH370 20 Rod Packing NBR
7 Bushing SPCC, Bronze, PTFE 21 O-Ring NBR
8 Dust Seal NBR 22 Rod SUS304
9 Yoke A216WBC 23 Truss Screw SUS304, SK5
10 Stem Connector SCS13A 24 Scale Plate SUS304CP
11 Hex Bolt SUS304 25 Drive Screw SUS304
12 Diaphragm Retainer SS400 26 Name Plate SUS304CP
13 Diaphragm Plate AC4A-F 27 Rain Cap SUS304
14 Spring SWOSM-B 28 Washer SUS304CP