Thordon Bearings develops new shaft seal for the maritime industry
THORDON Bearings has unveiled its new shaft seal for the maritime industry at the SMM trade fair in Hamburg.
The new shaft seal is part of a programme of enhancements to optimise the company's award-winning COMPAC seawater lubricated propeller shaft bearing system.
With high quality, low leakage, long life and minimum maintenance, the company's new SeaThigor seal offers technical features that raise the bar in dynamic and static seal design, with an unmatched performance of the primary dynamic seal, and an ingenious secondary seal module that provides a Safe-Return-To-Port capability in the event of a face failure of the primary seal.
After several years of development and testing, the new SeaThigor safety seal design incorporates a pneumatically activated inflatable element to stop water ingress along the shaft, allowing for the repair of the main seal whilst at sea, or allows for the shaft to turn at a lower speed so the vessel can safely return to port for primary seal repair or replacement, a company statement said.
Providing a new level of redundancy to single screw or mission-critical vessels operating seawater-lubricated propeller shafts, SeaThigor can function as both a dynamic and static seal to provide water-tight integrity around a shaft, while allowing the propeller shaft to rotate in both directions across a range of shaft speeds.
With inside the engine room application and typically mounted on a rear bulkhead or stern tube flange, the modular design incorporates two wear-resistant silicon carbide seal faces that contact each other to provide primary static and dynamic sealing.
"The SeaThigor abrasion resistant sealing faces achieve dynamic sealing with leak and maintenance free operation," said Thordon Bearings commercial director Andy Edwards. "If there was ever a true fit-and-forget system, then SeaThigor is it."
THORDON Bearings has unveiled its new shaft seal for the maritime industry at the SMM trade fair in Hamburg.
The new shaft seal is part of a programme of enhancements to optimise the company's award-winning COMPAC seawater lubricated propeller shaft bearing system.
With high quality, low leakage, long life and minimum maintenance, the company's new SeaThigor seal offers technical features that raise the bar in dynamic and static seal design, with an unmatched performance of the primary dynamic seal, and an ingenious secondary seal module that provides a Safe-Return-To-Port capability in the event of a face failure of the primary seal.
After several years of development and testing, the new SeaThigor safety seal design incorporates a pneumatically activated inflatable element to stop water ingress along the shaft, allowing for the repair of the main seal whilst at sea, or allows for the shaft to turn at a lower speed so the vessel can safely return to port for primary seal repair or replacement, a company statement said.
Providing a new level of redundancy to single screw or mission-critical vessels operating seawater-lubricated propeller shafts, SeaThigor can function as both a dynamic and static seal to provide water-tight integrity around a shaft, while allowing the propeller shaft to rotate in both directions across a range of shaft speeds.
With inside the engine room application and typically mounted on a rear bulkhead or stern tube flange, the modular design incorporates two wear-resistant silicon carbide seal faces that contact each other to provide primary static and dynamic sealing.
"The SeaThigor abrasion resistant sealing faces achieve dynamic sealing with leak and maintenance free operation," said Thordon Bearings commercial director Andy Edwards. "If there was ever a true fit-and-forget system, then SeaThigor is it."