HSEF interface 77+ 41 to match w/ HEM77 assembled w/ HPV77

The HSEF interface hydraulically connects the elements of
proportional valve HPV 77 with the elements of proportional
valve HPV 41 when there is HFLS mid end section in HPV77
side.
The HSEF module must be inserted into the proportional valve
confi guration between the last HPV77 working section and the
fi rst HPV41 working section.
Up to 6 HPV77 working sections and 8 HPV41 working
sections can be installed..