Propeller Shaft And Shaft Seal

RFQ Description

Propeller shaft diameter, mm - 200 Propeller rotation speed, rpm - 294 Sea water pressure in raised position, kgf/cm2 (m water column) 0.44 (4.4) Sea water pressure in the extended position of the VPK, kgf/cm2 (m water column) 0.75 (7.5) Oil column pressure in the lower gearbox in the raised position, kgf/cm2 (m water column) 0.52 (5.2) Oil column pressure in the lower gearbox in the extended position, kgf/cm2 (m water column) 0.81 (8.1) Gear oil brand: - main I-T-D-150(L) TU 0253-015-*******1-2008; - duplicate TSp-15K GOST 23652-79 Drying air pressure of the lower VPK gearbox, kg/cm2, no more than 0.45 Climatic modification OM4.1 according to GOS T15150-69. performance under the following external influences: - at intake water temperature from minus 2 °C to plus 32 °C; - at ambient (air) temperatures from plus 0 °C to plus 45 °C; - at a relative air humidity of 98% at an air temperature of up to plus 45 ° C; - with static rolls and trims of the ship operating without time limitation – roll up to 10° and trim up to 5° (excluding construction trim); - with dynamic rolls and trims of the ship - a roll with an amplitude of 15° with a period of 7.5 s, trim with an amplitude of 10° and a period of 4.5 s. The design of the water supply unit must comply with the safety requirements for GOST 12.2.003-91. Materials used in UGV must be resistant to sea water and oil, indicated in Table 1, and also have all the necessary RS permits. The UGV must be supplied with a RS type approval certificate.