Marine Water Lubricated Stern Tube Seal

• Customization: Available
• Certificates: CCS, ABS, BV, Dnv, Nk, Kr, Lr, Gl, Rina, RS, etc.
• Dimension: Designed According to The Shaft of The Vessel
• Model NO.: Stern Tube Seal
• Processing Methods: Forged and Lathe Machining
• Machining: Rough Machining or Finish Machining
• Material of Stern Tube: Forged Steel, Carbon Steel, Alloy Steel
• Test: 100% Ultrasonic Flaw Detection Test
• OEM: Yes
• Package: Standard Export Wooden Case
• Keywords: Stern Tube Seal
• Transport Package: Wooden Case for Stern Tube Seal
• Specification: CCS, ABS, GL, NK, BV, LR, DNV, RINA
• Trademark: OEM Stern Tube Seal
• Origin: Jiangsu Stern Tube Seal
• Production Capacity: 50 Sets Per Month for Stern Tube Seal

Product Description

Marine Water Lubricated Stern Tube Seal


Application
It is suitable for kinds of vessels that do not need to disassemble the propeller shaft and rudder blade while installing, changing and maintaining and whose lubricating working nedium is oil.

Characteristics:
Simple structure: consists of two  major parts, with spare stationary seal ring and no wear to the propeller shaft and sleeve;
Long service life: dynamic pressure lubrication engendered by special structure of seal ring realizes specific pressure of and face contact; work reliably at the time of axial play.
Low water leakage: under 40 litres/day; only water drop can be seen in navigation pause, or even no water drop at all.
Bass-filled gasket ring: enables maintenance in water, with a water leakage under 4 litres/hour during maintenance
Extra emergency radial seal ring is available.
 

Diameter range of stern shaft	50-1150mm
Diameter of Waterproof liner of starn shafts	70-1250mm
Lubricating Oil Working Pressure	1-2bar
Lubricating Oil Working Temperature	-25ºC- +110ºC
Line Speed of Stern Shaft Wearproof Liner	<=7m/sec
Average Leakage	5-30ml/h

 

WE CAN DESIGN AND MANUFACTURE THE WHOLE PROPULSION SYSTEM, INCLUDING PROPELLER, SHAFTING, RUDDER, ETC. ACCORDING TO THE GA OF THE VESSEL.