Wartsila double action hydraulic top bracing of M/E-8 units
Principle of return and exchange
Freight description
Shipping instructions
Introduction
Wartsila double action hydraulic top bracing of M/E （Hydraulic top bracing） are installed between the engine and the hull, to detune the natural frequencies of the engine and thus lower the impact of the vibrations.
The standard installation features eight air-hydraulic top bracing units. Each unit consisting of: a cylinder unit, two oil accumulators and a set of mounting flanges.
Technical parameter
Type： HCDHT200/160-51
Cylinder diameter： 200mm
Installation length： 840mm
Piston stroke： ±15 mm
Nominal pre-tensioning force ： 160kN（51bar）
Accumulator set pressure（N2）：25 bar(Precharge by manufacture)
Weight： Approximately 235 kg/cyl (with oil)
Type of hydraulic oil： ISO VG 32 or VG46
Lubricating grease： Molykote (MoS2)
Paint color： Munsell 7.5BG
Approved: CCS