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Products > Springs

Full Contact Springs

Full contact springs, sometimes referred to as Raco springs or continuous contact springs, provide continuous spring contact throughout the full circumference of the sealing lips. Our heavy-duty full contact springs are capable of high loads. Full contact springs are recommended for applications in extreme environments like those involving cryogenics, vacuum, and light gases at low pressures. Standard cross-sections are available and produced in continuous lengths. They are shipped to your door ready to cut and roll to your final diameter.

*Note: This spring must be welded after it is placed in the seal jacket.
If you do not see a full contact spring here that fits your needs, please request a custom quote.

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Custom Full Contact Springs

Looking for full contact springs in custom sizes or produced from more specialty materials? Our production facilities offer various options for customizations for a wide range of sizes, materials, and secondary finishing services.

Request a quote to send us your specs or configure a part.

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Full Contact Spring Dimensional Data

The chart below shows the dimensions for our standard full contact springs. All dimensions are subject to standard manufacturing tolerances. Those tolerances may be requested if needed. Each Cantilever V-Spring is manufactured in its own standard tool & die set. If these dimensions do not work for your situation, minor variations to the “L“ and “K” dimensions can be made with minor adjustments to our tooling. However, if you are in need of a more aggressive change (such as the width of the raw material or radius dimensions) we suggest you inquire about one of our 100 or more nonstandard cross-sections of spring.

*If you don't see the size you require, a unique toolset can be designed specifically for your application. Ask an MW expert for details.

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Standard Dimensions

Dimensions A-F

Series A B C D E F J K L
-200 .050" .050" .039" .202" .280" .024" .136" .015" .134"
-300 .050" .050" .0525" .312" .417" .030" .190" .020" .180"
-400 .050" .050" .071" .377" .519" .060" .231" .020" .260"
-500 .050" .050" .105" .495" .705" .120" .285" .025" .395"

Metric Dimensions

Dimensions J, K, L

Series A B C D E F J K L
-200 1.27 MM 1.27 MM 0.99 MM 5.13 MM 7.11 MM 0.61 MM 3.45 MM 0.36 MM 3.40 MM
-300 1.27 MM 1.27 MM 1.33 MM 7.92 MM 10.59 MM 0.76 MM 4.83 MM 0.51 MM 4.57 MM
-400 1.27 MM 1.27 MM 1.80 MM 9.58 MM 13.18 MM 1.52 MM 5.87 MM 0.51 MM 6.60 MM
-500 1.27 MM 1.27 MM 2.67MM 12.57 MM 17.91 MM 3.05 MM 7.24 MM 0.64 MM 10.03 MM

Elgiloy Full Contact Load Deflection Testing

Full Contact 200 Series

Full Contact 300 Series

Full Contact 400 Series

Full Contact 500 Series

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