Drawing No.817-9200船舶舱盖控制阀

STTS CONTROL VALVE BLOCK 
1,PRESSURE GAUGE
2,VALVE BLOCK
3,QUICK COUPLING
4,BALL VALVE
5,TEST POINT
6,RELIEF VALVE
7,SHUT OFF VALVE
8,PILOT CHECCK VALVE
9,CHECK &THROTTLE VALVE
10,DIRECTIONAL VALVE
11,THROTTLE VALVE