Seals specialise in extremes of temperatures
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Precision Polymer Engineering product story
Edited by the Engineeringtalk editorial team
May 16, 2006
New fluoroelastomer materials offer pump engineers increased efficiency and service life in high and low temperature pumping applications.
Two new fluoroelastomer materials from high performance seals specialist Precision Polymer Engineering (PPE) offer pump engineers increased efficiency and service life in high and low temperature pumping applications.
Reduced compression set and ageing at high temperature and the industry's lowest temperature sealing at -40C set a new performance standard for pump seals.
V74C is designed for high temperature pump applications up to 200C combined with increased chemical resistance.
With an industry leading compression set of just 5% that reduces the effect of high temperature ageing, PPE has engineered V74C such that it retains its mechanical properties significantly longer than conventional FKM grades, allowing extended seal service life, increased efficiency and reduced noise.
For low temperature applications to -40C, PPE has developed the V61C fluoroelastomer grade.
V61C extends the operational performance of FKM seals by a full 10C lower than is possible with current FKM grades and sets a new industry benchmark in low temperature performance.
"The new grades present pump manufactures and service organisations with the opportunity to increase service intervals, prevent leaks and generally increase the efficiency of their pumps".
"Moreover, the improved sealing efficiency provided by V74C and V61C will allow pumps to run quieter, an important consideration in enclosed environments", said John Kerwin, Materials Manager, PPE.
Both fluoroelastomers exhibit the same chemical and mechanical properties as conventional FKM grades.
They are available in almost any sized O-ring (standard and nonstandard) as well as in custom parts.
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