Model code 454□20□□-□□-C□ 454□40□C-□□-C□ 454□04□C-□□-D□ 454□091C-□□-D□ 454□20□□-□□-D□ 454□40□C-□□-D□
Individual exhaust Collective exhaust
Positions of valves to be connected Return 454S202K
454S203K 454S403C
454S404C 454S04FC
454S04MC 454S091C 454S202K
454S203K 454S403C
454S404C
Hold 454D202K
454D203K 454D403C
454D404C 454D04FC
454D04MC 454D091C 454D202K
454D203K 454D403C
454D404C
Closed center 454H202C
454H203C 454H403C
454H404C 454H04FC
454H04MC 454H091C 454H202C
454H203C 454H403C
454H404C
Center open to exhaust 454J202C
454J203C 454J403C
454J404C 454J04FC
454J04MC 454J091C 454J202C
454J203C 454J403C
454J404C
Center open to pressure 454I202C
454I203C 454I403C
454I404C 454I04FC
454I04MC 454I091C 454I202C
454I203C 454I403C
454I404C
Number of valves to be connected 10 20 10