This option provides for a closed center system by plugging the open center flow passage. If desired at some future date, the valve may be converted to open center or power beyond operation. As shown an additional outlet is provided to dump the oil from the return passage only.
See 38, 39, 40 and 41 on “BA” 1-Spool, “BA” 2-Spool and “BA” 3-Spool.
NOTE: 1R0035 No Relief plug should be used with this option. See 33 on “BA” 1-Spool, “BA” 2-Spool and “BA” 3-Spool.