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  • Seal Type Options

     

  • Recommended Materials
    (Alternate materials available upon request)
  • Springback Range

     

  • Diameter Range
    (Contact us for larger sizes)
  • Free Height Range

     

  • Seating Load Range

     

  • Temperature Range

     

  • Working Pressure Range

     

  • Leakage Range

     

  • Leak Expectation

     

  • Applications


     

  • Features



     

  • Relative Cost
  • product image

    C-Ring

    • ECI: Internal Pressure
      ECE: External Pressure
    • Alloy 718, Alloy X-750, Waspaloy, Rene 41
    • Min: 0.001"
      Max: 0.025"
    • Min: 0.185"
      Max: 120.000"
    • Min: 1/32"
      Max: 1/2"
    • Min: 80 lbs/in circumference
      Max: 1700 lbs/in circumference
    • Min: Cryogenic
      Max: ~1450° F
    • Min: Vacuum
      Max: 99,000 psi
    • Min: 10^(-12) cc/sec
      Max = 10^(-1) cc/sec
    • Depending on the cross-section, can be bubble tight seal
    • Valve assemblies, pressure vessels, jet engines, fuel injectors, separable fittings
    • Relatively flexible for use with non-flat flan ges, optimized onepiece construction for low cost
    • $$
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    Spring Energized C-Ring

    • ESI: Internal Pressure
      ESE: External Pressure
    • Alloy 718, Alloy X-750, Alloy 625, Waspaloy, Rene 41, Haynes 188
    • Min: 0.003"
      Max: 0.022"
    • Min: 0.425"
      Max: 120.000"
    • Min: 1/16"
      Max: 1/2"
    • Min: 500 lbs/in circumference
      Max: 2900 lbs/in circumference
    • Min: Cryogenic
      Max: ~1450° F
    • Min: Vacuum
      Max: 38,000 psi
    • Min: 10^(-13) cc/sec
      Max = 10^(-2) cc/sec
    • Yes, this is a bubble tight seal
    • Pressure vessel enclosures, manways, steam generators, gasoline/diesel engines, exhaust joints
    • Similar design as the C-Ring, but allows for higher load applications and rougher mating surfaces
    • $$$
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    E-Ring (W-Ring)

    • EEI: Internal Pressure
      EEE: External Pressure
    • Alloy 718, Alloy X-750, Waspaloy, Rene 41
    • Min: 0.001"
      Max: 0.048"
    • Min: 1.000"
      Max: 60.000"
    • Min: 1/16"
      Max: 1/4"
    • Min: 300 lbs/in circumference
      Max: 90 lbs/in circumference
    • Min: Cryogenic
      Max: ~1450° F
    • Min: Atmosphere
      Max: 5,500 psi
    • Min: 10^(-4) cc/sec
      Max = 10^(+3) cc/sec
    • No, this is not a bubble tight seal
    • Pneumatic joints, turbine engines, bleed air ducting joints, turbine engine cases, low-load flanges, and joints
    • Multiple cross-sections, low load seal, generally used unplated, fully elastic for consistent performance over many cycles
    • $$$
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    Metal O-Ring

    • EOI: ID Vented, Internal Pressure
      EON: Plain, Internal Pressure
      EOP: Pressure Filled, Internal Pressure
      EOE: OD Vented, External Pressure
      EOM: Plain, External Pressure
      EOR: Pressure Filled, External Pressure
    • Alloy 718, Alloy X-750, 304 SS, 316 SS, 321 SS, 347 SS, Monel 400, Alloy 600, Haynes 25
    • Min: 0.001"
      Max: 0.006"
    • Min: 0.250"
      Max: 48.000"
    • Min: 1/32"
      Max: 1/4"
    • Min: 100 lbs/in circumference
      Max: 1500 lbs/in circumference
    • Min: Cryogenic
      Max: ~1450° F
    • Min: Vacuum
      Max: 25,000 psi
    • Min: 10^(-11) cc/sec
      Max = 10^(+1) cc/sec
    • Depending on the cross-section, can be bubble tight seal
    • Heavy joints with minimal movement, static low-leakage face sealing
    • Standard metal O-rings available for all "MS" sizes and configurations, robust, high integrity seal for ease of handling
    • $$
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    U-Ring (V-Ring)

    • EUI: Internal Pressure
      EUE: External Pressure
    • Alloy 718, Alloy X-750, Waspaloy, Rene 41, Haynes 188
    • Min: 0.001"
      Max: 0.025"
    • Min: 1.750"
      Max: 48.000"
    • Min: 1/32"
      Max: 1/4"
    • Min: 45 lbs/in circumference
      Max: 70 lbs/in circumference
    • Min: Cryogenic
      Max: ~1450° F
    • Min: Atmosphere
      Max:12,000 psi
    • Min: 10^(-3) cc/sec
      Max = 10^(+3) cc/sec
    • No, this is not a bubble tight seal
    • Valve assemblies, pressure vessels, jet engines, fuel injectors, separable fittings, etc., that require more springback
    • Compliant low load seal, generally used unplated, strongly pressure energized
    • $$$
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    Wire Ring

    • EWI: Internal Pressure
      EWE: External Pressure
    • 304 SS, 316 SS, 321 SS, 347 SS, Monel 400, AL Alloy 1100, Gold, Silver, Copper, Nickel
    • Min: 0.001"
      Max: 0.002"
    • Min: 0.250"
      Max: 24.000"
    • Min: 1/32"
      Max: 1/8"
    • Min: 4200 lbs/in circumference
      Max: 6000 lbs/in circumference
    • Min: Cryogenic
      Max: ~2000° F
    • Min: Vacuum
      Max: 20,000 psi
    • Min: 10^(-11) cc/sec
      Max = 10^(-6) cc/sec
    • Yes, this is a bubble tight seal
    • Small process valves, pressure vessels, high loads applied, cost-effective assemblies, static applications
    • Can be made with many different material options, requires a large clamping load
    • $
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    Axial Seal

    • ECA: Internal Pressure
      External Pressure
    • Alloy 718, Alloy X-750, Waspaloy, Rene 41
    • Min: N/A
      Max: N/A
    • Min: 0.219"
      Max: 9.000"
    • Min: N/A
      Max: N/A
    • Min: N/A
      Max: N/A
    • Min: Cryogenic
      Max: ~1450° F
    • Min: Atmosphere
      Max: 57,000 psi
    • Min: 10^(-11) cc/sec
      Max = 10^(-6) cc/sec
    • Depending on the cross-section, can be bubble tight seal
    • Static and low cycle dynamic axial sealing, quarter turn valve systems, mechanical seal to shaft interface
    • Close tolerance seal for light installation loads. Plating partially transfers to stem for low wear
    • $$$$