MAKER:SANKYO SEISAKUSHO
JIS20K/10K==>AIR PRESSURE REDUCTION VALVE/NEW TYPE: S-K411C-BT2D-HR1 (SET)
3==>VALVE (PCS)
4==>VALVE SEAT (PCS)
10==>VALVE DISC (PCS)
27==>DIAPHRAGM (PCS)
32==>PISTON RING (PCS)
50==>SPRING (PCS)
52==>PILOT VAVLE (PCS)