Metal Spring Energized (MSE®) seal’s superior designed dual-lip body offers improved sealing performance. An unlimited number of custom-engineered MSE configurations are available. Greene, Tweed’s Metal Spring Energized (MSE®) seals:
*Metal Spring Energized (MSE®) seals are not typically installable in closed grooves.
The Metal Spring Energized (MSE®) seal 2000 series uses a cantilever-type stainless steel spring to act as an energizer during low-pressure situations. The spring compensates for seal wear in dynamic applications as well as overcoming the nonresilient nature of PTFE materials. Calculated spring force is applied directly over the sealing lips creating a leakfree seal without causing excessive friction and wear. As pressure is applied the spring cavity is pressure energized, assisting the
spring load. The dual lip cover is designed to provide primary sealing at the outermost contact point and secondary sealing at the innermost contact point.
Metal Spring Energized (MSE®) Series
The part numbering system requires the use of the material designator tables found in the next column. For nonstandard designs contact GT engineering.
Contact your local Greene, Tweed representative for specific
recommendations to suit higher performance requirements.
Special consideration should be given to applications that require sealing at temperatures below -65°F (-54°C). The thermal contraction of PTFE materials must be overcome to ensure positive sealing. This is best accomplished by 1) trapping the PTFE on the flanged OD to prevent shrinkage away from the hardware, and 2) geometry changes in the jacket and spring design to assure positive loading. Both are accomplished by flanged seal designs.