Model code 453□10□C-□□-C-□ 453□20□K-□□-C-□ 453□40□C-□□-C-□ 453□10□C-□□-D-□ 453□20□K-□□-D-□ 453□40□C-□□-D-□
Individual exhaust Collective exhaust
Positions of valves to be connected Return 453S101C
453S102C 453S202K
453S203K 453S403C
453S404C 453S101C
453S102C 453S202K
453S203K 453S403C
453S404C
Hold 453D101C
453D102C 453D202K
453D203K 453D403C
453D404C 453D101C
453D102C 453D202K
453D203K 453D403C
453D404C
Closed center – 453H202C
453H203C 453H403C
453H404C – 453H202C
453H203C 453H403C
453H404C
Exhaust center – 453J202C
453J203C 453J403C
453J404C – 453J202C
453J203C 453J403C
453J404C
Pressure center – 453I202C
453I203C 453I403C
453I404C – 453I202C
453I203C 453I403C
453I404C
Number of valves to be connected 10