Wartsila Air-Hydraulic Top Bracing Device-2 units
Principle of return and exchange
Freight description
Shipping instructions
Introduction
Wartsila M/E Air-Hydraulic top bracing device （air-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 two air-hydraulic top bracing units. Each unit consisting of: a cylinder unit, a hydraulic control block, an oil accumulator and a set of mounting flanges.
Technical parameter
Type：HCAHT300-26
Cylinder diameter： 300mm
Installation length： 575mm
Max. installation tolerance： +15 mm
Max. force： 183.8kN（26bar）
Volume of oil： 6L/cylinder
Compressed air： 25~30bar
Accumulator set pressure（N2）：15 bar( Precharge by manufacture)
Relieve valve set pressure： 26 bar
Air regulator set pressure： 12 bar
Max. working temperature： 75℃
Weight： Approximately 220 kg/cyl (with oil)
Type of hydraulic oil： ISO VG 32
Paint color： Munsell 7.5 BG 7/2
Approved: CCS