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METAL SEALS MASTER - 82 Pages

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METAL SEALS MASTER
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Catalogue excerpts

METAL SEALS TECHNICAL CATALOG

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TECHNETICS GROUP EnPro Industries companies

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TABLE OF CONTENTS HELICOFLEX® DELTA® O-FLEX™ C-FLEX™ E-FLEX™ NUCLEAR RPV K-PORT GROUP EnPro Industries companies Technetics Group engineers will partner with you to develop and test solutions for your toughest sealing applications whether you are in the design stage for a new project or trying to solve an existing problem. DESIGN FOR ASSEMBLY • 3D models of parts and assemblies produced in SolidWorks ANSYS COMPUTATIONAL ANALYSIS • Nonlinear mechanical behavior of metallic, elastomer and composite materials • Contact stress evaluation • Creep relaxation in joint assemblies • Multi-axial fatigue •...

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SEAL SELECTION GUIDE BY PERFORMANCE SEAL TYPE Application Information HELICOFLEX® E-FLEX™ U-FLEX™* Machined Seal* Ultra High Vacuum Application Legend Recommended - Excellent Recommended - Good Optional - Special Design Not Recommended High Pressure Cryogenic Temperature Leak Legend Seal Load: Wall Thickness or Spring Load Surface Finish: Seal and Cavity Surface Treatment: Coating/Plating/Jacket Material Shaped Seals Helium Spring Back Actual leak rate in service will depend on the following: High Temperature Approximate Leak Rates per meter of circumference ≤ 25 cc/min @ 50 psig Nitrogen per...

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TABLE OF CONTENTS HELICOFLEX® DELTA® O-FLEX™ C-FLEX™ E-FLEX™ NUCLEAR RPV K-PORT GROUP EnPro Industries companies SEAL SELECTION GUIDE BY MARKET/APPLICATION Application_Section Fuel Nozzles    E-FLEX™    C-FLEX™    HELICOFLEX® Casing/Cowling    E-FLEX™ Fuel Delivery    MS O-Rings    K-Port Seal V-Band Coupling    E-FLEX™    C-FLEX™    HELICOFLEX® QDS® Compressor Discharge    E-FLEX™    HELICOFLEX®    C-FLEX™ Electronic Enclosures    DELTA®    HELICOFLEX®    C-FLEX™ Rocket Engine & Turbo Pumps E-FLEX™    HELICOFLEX®    C-FLEX™ MS Standards    MS O-Rings    C-FLEX™ DEFENSE Weapons    HELICOFLEX®    C-FLEX™    O-FLEX™ Missiles...

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TABLE OF CONTENTS HELICOFLEX® DELTA® O-FLEX™ C-FLEX™ E-FLEX™ NUCLEAR RPV K-PORT GROUP EnPro Industries companies SEAL SELECTION GUIDE BY MARKET/APPLICATION Application    Section End Point Windows    DELTA® Chamber Lids    DELTA® Exhaust Lines    QDS®    DELTA® Injectors    DELTA®    Machined    Seal* Bulkhead Connections    DELTA® Gas Delivery System    Machined Seal* Mass Flow Controllers    Machined Seal* DELTA® Valve Manifold Box (VMB)    Machined Seal* Gas Isolation Box (GIB)    Machined Seal* Turbo Pumps    DELTA® Ampoules    DELTA® Chemical Canisters    DELTA® NATIONAL LABORATORIES RF Waveguides...

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TABLE OF CONTENTS HELICOFLEX® DELTA® O-FLEX™ C-FLEX™ E-FLEX™ NUCLEAR RPV K-PORT GROUP EnPro Industries companies SEAL SELECTION GUIDE BY MARKET/APPLICATION Application    Section POWER GEN: INDUSTRIAL TURBINES Fuel Nozzles    HELICOFLEX®    C-FLEX™    E-FLEX™ Cooling Steam    HELICOFLEX®    C-FLEX™    E-FLEX™ Casing    E-FLEX™    HELICOFLEX® Fuel Delivery    MS O-Rings*    Boss Seal* V-Band Coupling    U-FLEX™*    C-FLEX™    E-FLEX™ QDS® Compressor Discharge    HELICOFLEX®    C-FLEX™    E-FLEX™ Electronic Enclosures    DELTA®    HELICOFLEX®    C-FLEX™ Rocket Engine & Turbo Pumps E-FLEX™    HELICOFLEX®    C-FLEX™ MS...

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TABLE OF CONTENTS HELICOFLEX® DELTA® O-FLEX™ C-FLEX™ E-FLEX™ NUCLEAR RPV K-PORT GROUP EnPro Industries companies The sealing principle of the HELICOFLEX® family of seals is based upon the plastic deformation of a jacket of greater ductility than the flange materials. This occurs between the sealing face of a flange and an elastic core composed of a close-wound helical spring. The spring is selected to have a specific compression resistance. During compression, the resulting specific pressure forces the jacket to yield and fill the flange imperfections while ensuring positive contact with the flange...

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TABLE OF CONTENTS HELICOFLEX® DELTA® O-FLEX™ C-FLEX™ E-FLEX™ NUCLEAR RPV K-PORT GROUP EnPro Industries companies TYPICAL CONFIGURATIONS CLASSIFICATION OF SEAL TYPE Cross Section Type HN 2    0    8 Cross Section # Jackets/ Jacket Section Type    Lining    Orientation Orientation HNDE290 Leak check -Insert Gas Purge TECHNETICS GROUP EnPro Industries companies sales@technetics.com technetics.com

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PERFORMANCE DATA THE INTRINSIC POWER OF THE SEAL CHARACTERISTIC CURVE Linear load (lbs/in) Y1 = load on the decompression curve below which leak rate exceeds required level e2 Y2 = load required to reach optimum compression e2 Y0 = load on the compression curve above which leak rate is at required level The compression and decompression cycle of the HELICOFLEX® seal is characterized by the gradual flattening of the compression curve. The decompression curve, which is distinct from the compression curve, is the result of a hysteresis effect and permanent deformation of the spring and jacket. The...

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TABLE OF CONTENTS HELICOFLEX® DELTA® O-FLEX™ C-FLEX™ E-FLEX™ NUCLEAR RPV K-PORT HELIUM SEALING BUBBLE SEALING GROUP EnPro Industries companies Material    Section    f lbs/inch lbs/inch PSI PSI °F    °F Copper, Soft Iron, Mild Steels and Annealed Nickel Nickel, Monel, Tantalum TECHNETICS GROUP    sales@technetics.comEnPro Industries companies    technetics.com 11

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TABLE OF CONTENTS HELICOFLEX® DELTA® O-FLEX™ C-FLEX™ E-FLEX™ NUCLEAR RPV K-PORT TABLE OF CONTENTS HELICOFLEX® DELTA® O-FLEX™ C-FLEX™ E-FLEX™ NUCLEAR RPV K-PORT GROUP EnPro Industries companies LOAD CALCULATIONS DEFINITION OF CHARACTERISTIC VALUES DjMean reaction diameter of the seal. (For a double section seal, Dj = Dj1 + Dj2)    _inches Y2    Linear load corresponding to e2 compression    _Lbs/inch Y1    Linear load on the seal to maintain sealing in service at low pressure (=Ym1)    _Lbs/inch Pu    Intrinsic power of the seal under pressure at 68°F (20°C) when the reaction    force_ PSI of the...

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