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Flanged Testable Bellows
A female NPT port is provided on the special 2-ply expansion joint. The outer ply contains the pressure if the inner ply fails and the pressure flows to the test port indicating a failure on customer's instrumentation.
DME has the ability to manufacture most metric size bellows. A well-equipped machine shop gives us the ability to make all metric size flanges in house. Re-using customer's metric flanges are always an economical option....
DME manufactures a complete line of tube size bellows. Tube ends can be furnished in many alloys and wall thickness. In house seam welding equipment allows us to provide custom tubes without custom prices....
With the use of pipe extensions, expansion joints can be made to required overall lengths. These joints can reduce the cost of additional modifications in the field. Pipe spacers also provide an area for optional flow liners to travel....
Hinges permit angulation of the bellows in one plane only. This expansion joint does not require the use of main anchors when a pipe spool is placed between two hinged joints. Large amounts of lateral offset can be absorbed. ...
Expansion joints can be fabricated with victaulic groove nipples for a "no weld" installation. The grooved pipe ends can be made in all available materials and alloys....
