PARTS LIST FOR HYDRAULIC UNIT for the underwater hatches type:001013 page 6

The PALL Filters: #1.filter housing HH9020K12 operating pressure:max 350bar adjustment of the bypass valve:delta p=3,4 bar +- 0,3bar connection:manifold type (o-rings) seals:nitrile #2.Filter Element HC9020FKP4H filter medium:ultipor III filter value: beta 3>=200 minimum filter value guaranteed till a delta p=4 bar length:4" seal:nitrile compression pressure fall:delta p=20 dbar (ISO 2941) #3.Indicator RC861MZ090H visual indicator type D settings:2,5bar