pressure adjustment valve
cushion valve
flow control valves
differential pressure valve
pressure relief valves
| 1 | 2 | 3 | 4 | 5 |
| valve seat | rear | front cover | knob base | adjustable screw |
| FC30 | FC30 | FC30 | S45C | S45C |
| 6 | 7 | 8 | 9 | |
| positioning sleeve | positioning sleeve | needle valve | springs | |
| S45C | S45C | S45C |