Deformable seal cuts downtime
A
Garlock (Great Britain) product story
Edited by the Engineeringtalk editorial team
Sep 27, 2007
Garlock Sealing Technologies' Helicoflex range of Omicron seals handles temperatures of -269C to 750C and sealing levels of up to 1000bar for liquids.
A deformable structure seal is saving process businesses hundreds of hours in downtime by removing the need for machining damaged and worn joint flanges.
Garlock Sealing Technologies' Helicoflex range of Omicron seals provides a solution to maintaining joint integrity.
Working on the sealing principle of plastic deformation, the outer material of the seal is more ductile than the flange face material.
The seal outer material encloses a close-wound, oval-shaped helical spring.
This internal spring resists compression and causes the outer sealing material to deform and permanently contact the flange sealing surfaces.
Helicoflex Omicron seals are available in a range of jacket (contact) materials including aluminium, mild steel, nickel and stainless steel.
When specified as original equipment the seal's mechanical and material properties protect flange faces from wear and resist corrosion, radiation and extremes of temperature.
Operating temperatures of -269C to 750C and sealing levels of up to 1000bar for liquids and gas leak rates of less than 10-8 Atm cm3/s make the range suitable for applications including process lines, boilers, reforming pipe, corrosive gases, nuclear and the petrochemical industry.
Helicoflex Omicron seals are available from Garlock (Great Britain) in standard ISO PN and flange classes.
Mean diameters of up to 692mm are stocked, with larger diameters available on request.
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