Page 3 - ingenioren.no

Global

Customer service is provided from 230 locations in 104 countries, including
9 manufacturing and 58 repair locations, with more than 300 customer service
representatives who visit industrial plants every day.

Canada - Cariboo Pulp & Paper Company UK - Sulzer Pumps

“I have tested most of the available bearing isolation devices on AESSEAL provided a non-contacting bearing seal solution for a
the market today and found the AESSEALLabTecta to provide number of Sulzer MS double-ended pumps destined for a project

the best performance and overall value.” in the Middle East.
Ben Staats The API610 9th Edition between-bearings pumps (BB3) rotate at
Reliability Engineer 6,000rpm with Michell Four Lobed bearings, operating in a forced
Machine Shop Supervisor oil lubrication system. After passing the OEM tests on the Sulzer
test bay in the UK, three double-ended API610 BB3 pumps
complete with the innovative LabTecta designs, were delivered to
the end user plant in the Middle East.

USA - Fraser Papers Inc Netherlands - Zeeland Refinery BV
“Managing a machine shop in the paper industry provides Zeeland refinery BV asked AESSEAL to install LabTecta type STAX
opportunities to evaluate how products perform under extreme bearing protectors in one of its steam turbines without making
conditions. Having had prior outstanding results with LabTecta seals modifications to the existing equipment.
installed on Falk gear reducers, I found it necessary to give it the The installation had to take place during a scheduled plant shut
ultimate test. For years, we have experienced failures on our hydro down in June 2009. No detailed drawings of the bearing housing
pulper gearboxes primarily due to contamination and infiltration of were available – so the LabTecta designs would have to be
paper stock and water entering these vertical shaft units. measured, designed, manufactured and installed all within this
narrow window.
We converted from labyrinth to lip seals with no success. With
AESSEAL support, we modified our top seal-housing chamber to The standard STAX (Steam turbine axial-movement) design had to
accept a LabTecta-TE. This conversion occurred back in August be re-engineered to fit into the existing groove of the OEM labyrinth
2006 and it surpassed our previous remedies and expectations. seals with a very short outboard length of less than 0.25”
Several more hydro pulper gearbox conversions will be performed (6.35mm), to fit around existing steam-deflectors and oil flingers.
as they reach our repair shop, and all will have LabTecta-TE The custom LabTectas were delivered within one week of taking
installed.” measurements and the steam-turbine’s reliability issues have been
solved – running perfectly since June 2009.
Daniel Dionne
Machine Shop Supervisor