1. Equipment
  2. Propulsion, Engine controls
  3. Propeller shaft mechanical seal
  4. Zhongyuan Ship Machinery Manufacture (Group) Co.,

Propeller shaft mechanical seal

propeller shaft mechanical seal
propeller shaft mechanical seal
propeller shaft mechanical seal
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for propeller shafts
Application domain


It is to prevent seawater and impurities from flowing from the propeller shaft into the ship and to prevent lubricants from leaking into the ocean. Properties: corrosion- and high-temperature, friction-resistant. Advantages: good sealing effect, long service life, low power consumption and easy installation. It can be applied to kinds of vessels whose working medium is oil. Main Technical Specifications: Composition: Copper housing, stainless steel bushing, galvanized clamp ring, gas tire seal Diameter range of stern shaft 50-1150mm Diameter of wearproof liner of stern shafts 70-1250mm Lubricating oil working pressure 1-2bar Lubricating oil working temperature -25℃~+110℃ Line speed of stern shaft wearproof liner ≤7m/sec Average leakage 5~30ml/h Rubber Seal: Four Classification Certificates: CCS, NK, BV, ABS, DNV-GL, LR, KR, IRS, RS, RINA, Etc


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.