Norgren VS18 Series Valve Advantage - Manual (Page 16)

VS18/VS26 MAINTENANCE & INSTRUCTION BOOKLET
5.1.3 Port identification
On all end plates and modular sub-bases each port is marked as follows:
Function Port/Identification
Main/internal pilot air supply 1
Exhaust 3 + 5
Outlet 2 + 4
External pilot air supply (if used) 12/14
Collected exhaust of pilot valves 82/84
Note:
Never plug port 82/84. Plugging this port will cause valves to malfunction.
port 1 port 82/84
port 12/14
port 2
port 5
port 4
port 3
VS2672926-KG00E_05/07 Page 16/97