Cast-iron construction for inlet/outlet modules and working sections.
Spool construction in steel, hardened and nickel plated.
Interchangeability of all the spools.
From 1 to 10 mechanical sections (consider 8 as standard for technical data references).
Parallel, tandem and series circuit available.
Load check valve protection on each section.
Auxiliary valve either on port A or B or on both.
Power beyond (HPCO) configuration.
Several types of spool: double and single acting, motor spool, float position, regenerative position, etc.
Several spool control and spool positioning devices.
Emergency unloading valve.