A robust and compact design with no oil leakage, ability to take high loads and quick mounting/dismantling of large dimensions, make our hydro-mechanical connections ideal to work in difficult environments and heavy operations. All those reason are examples why the steel- and marine industry very much appreciate this assortment. Example: ETP-HYCON S and SX are compact rigid shaft-shaft couplings for high performance, quick mounting/dismantling and thus short downtime. Type SX is longer than S and can transmit considerably higher torque. Both types are type approved by DnV for marine applications. CONSTRUCTION ETP-HYCON S and SX both consists of an outer sleeve with hydraulic connections, an inner sleeve with ETP-HFC on the inside and an on the inner sleeve assembled cylindrical ring and seals. OPERATION When mounting two connections are pressurized simultaneously. The oil pressure lubricates the contact surfaces in the axial space between the seals. This facilitates the movement of the outer sleeve, which is forced to move because of the axial force created by the oil pressure. When the outer sleeve has been driven up a certain length, the pressure is released, the outer sleeve compresses the inner sleeve to an even surface pressure. A rigid strong joint has been created. Dismantling is done in the same way, but with a lower pressure to get an even dismantling process.
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