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Appearance
Koncentrik® unions join pipe or tubing. Metal-to-metal contact between mating taper
angles in the union is reinforced by a fully confined Teflon seal to form a leak-proof
joint.
The Koncentrik® union is a four-piece assembly consisting of a threaded piece,
tailpiece, union nut, and Teflon® seal. The Teflon® seal is preinstalled in a
precision-machined groove in the male cone shaped tailpiece prior to shipment. The
Teflon® seal cushions the metal-to-metal contact of the surfaces and prevents them
from becoming galled or scratched. The unions can be taken apart and resealed many
times with no damage to the union or loss of sealing effectiveness.
Koncentrik® unions are available with tube & pipe socket and butt weld, female
pipe thread, and male o-ring boss port end connections.
Suggested Application for Koncentrik® Unions
Koncentrik® unions have been used extensively in high pressure ground support
missle systems, hydraulic control systems for turbine generators, and in nuclear
and conventional power plant applications.
Koncentrik® unions offer all the advantages of flanges without the
disadvantages. Like flanges, Koncentrik® unions can hold high pressures and
can be repeatedly disassembled and resealed. But, unlike flanges,
Koncentrik® unions are light in weight and quick to assemble.
Only one nut holds the union together while flanges require several bolts and
cumbersome rotational alignment.
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