Electro pneumatic activation

3 ports 1/8npt - 3 way - 12 volt - n/o

3 ports 1/4npt - 3 way - 12 volt - N/O or N/C

3 ports 3/8npt - 3 way - 12 volt - n/c

3 ports 3/8npt - 2 ports 1/2npt - 4 way - 12 volt

5 ports 1/4npt - 4 way - 12 volt - internal pilot

5 ports 3/8npt - 4 way - 12 volt - internal pilot

5 ports 3/8npt - 4 way - 12 volt - internal pilot - manual

5 ports 3/8npt - 1 port 1/8npt - 4 way - 12 volt - external pilot