register number L.1.02 Thrust ring for main jacking station
data processing short term DRUCKRING HAUPTSTAT
standard
equipment
Pressure rings adapted to pipe wall thickness with stiffened box-type design in electrical welding construction, guide as desired Note: Main jacking stations see 1.10.
Drive units see S.6.10.
Hydraulic cylinders for intermediate stations see L.1.12.
The intermediate station (expansion station, shell) is lost (material) and left in place.
register of construction equipment 1991 6502
wearing part evaluation on a case-by-case basis , evaluation on a case-by-case basis