Transcription
Metal SealsDesign Guide
Table of ContentsIntroduction.Temperature Capabilities – Nickel Alloys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-54Temperature Capabilities – Cobalt Alloys. . . . . . . . . . . . . . . . . . . . . . . . . . . . D-55Temperature Capabilities – Other Materials. . . . . . . . . . . . . . . . . . . . . . . . . D-55Aerospace Material Specification (AMS) Reference. . . . . . . . . . . . . . D-56Yield Strength, Relaxation & Springback. . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-56Platings, Coatings and FinishesTemper Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-58Finish Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-59Finish Thickness Selecting Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-60Silver-Indium Plating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-61TriCom Plating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-62TriCom-HT Plating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-644Section A – General InformationAdvantages of Metal Seals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-8How to Use the Design Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-9Market Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-10Section B – Metal Seal Type SelectionSelecting the Metal Seal Type for Your Application. . . . . . . . . . . . . . . B-11Seal Selection at a Glance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-14Section C – Size SelectionSection E – Technical Information Performance DataFace MWELoad, Deflection and Springback / Terminology. . . . . . . . . . . . . . . . . . .Metal C-Ring Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Metal E-Ring Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Metal U-Ring Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Metal O-Ring Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Metal Energized C-Ring Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Metal Wire Ring Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Leak Rate Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Fatigue and Stress Relaxation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Installation GuidelinesSurface Roughness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Surface Flatness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Surface Hardness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Compression Limiters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Bolt Load and Tightening Torque Guidelines. . . . . . . . . . . . . . . . . . . . . . .Seal Shaping Requirements for Non-Circular Seals. . . . . . . . . . . . . .Manufacturing SpecificationsRoundness and Flatness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Surface Finish. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Metal O-Ring Weld Finish. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Preferred C-Ring and Spring Energized C-Ring Sizes. . . . . . . . . . .Tolerance Reference Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Conversion Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Metal C-Ring, Internal Pressure Face Seal. . . . . . . . . . C-16Metal C-Ring, External Pressure Face Seal. . . . . . . . . C-18Spring Energized Metal C-Ring,Internal Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-20Spring Energized Metal C-Ring,External Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-22Metal E-Ring, Internal Pressure Face Seal. . . . . . . . . . C-24Metal E-Ring, External Pressure Face Seal. . . . . . . . . C-26Metal O-Ring, I.D. Vented, Internal PressureFace Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-28Metal O-Ring, Plain, Internal Pressure Face Seal. C-28Metal O-Ring, Pressure Filled,Internal Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-28Metal O-Ring, O.D. Vented,External Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-30Metal O-Ring, Plain, External Pressure Face Seal.C-30Metal O-Ring, Pressure Filled,External Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-30Metal U-Ring, Internal Pressure Face Seal. . . . . . . . . . C-32Metal U-Ring, External Pressure Face Seal. . . . . . . . . C-34Metal Wire Ring, Internal Pressure Face Seal. . . . . . C-36Metal Wire Ring, External Pressure Face Seal. . . . . C-38Axial SealsMCAMetal C-Ring, Axial Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-40Seals for Standard ApplicationsBoss Seal for MS-33649 Fluid Connection Bossand MS-33514/33656 Fitting Ends. . . . . . . . . . . . . . . . . C-42Metal E-Ring for AS1895 Flanges. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-44Metal O-Ring for Aerospace Standards. . . . . . . . . . . . . . . . . . . . . . . . . . . 81E-81E-82E-84E-85E-85E-85E-86E-92E-93Section F – Additional StylesFormed Seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-96Precision Machined Seals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-96Beaded Gaskets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-97Additional E-Ring Styles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-98Frequently Asked Questions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-99Application Data SheetsFace Seal F-103Axial Seal F-104Parker s safety programme F-105Section D – Material Selection ProcessSelecting the MaterialMaterial Codes for Non-Spring Energized Seals. . . . . . . . . . . . . . . . . . D-52Material Codes for Spring Energized Seals. . . . . . . . . . . . . . . . . . . . . . . . . D-53Temperature Capabilities – Stainless Steel. . . . . . . . . . . . . . . . . . . . . . . . . . D-533Metal SealsParker HannifinPrädifa Technology Division
The Global Leader in Sealing TechnologyParker Hannifin specializes in high performance engineered seals and sealing systems.The Advanced Products Business Unit was founded in 1954 and is headquartered inNorth Haven, Connecticut where a 60,000 square foot facility is home to a state-of-theart metal seal plant, with fully integrated engineering analysis, design, production, assembly and test.In addition to its diversified line of sealingcomponents, Parker Hannifin offers fullyengineered sealing systems for specialtyapplications over a wide range of challenging environments. Parker Hannifin’shighly respected jet engine seals arewidely used in commercial and aerospaceengines and include E-rings, C-rings,O-rings and AS1895 seals. Parker alsosupplies cryogenic and high temperaturemetallic seals for the space shuttle mainengine and other major rocket programs.Parker Hannifin holds ISO 9001, AS9100,FAA approvals and various NADCAPapprovals for special processes.Your True Partner forSealing SolutionsWe focus on serving the fluid containmentneeds of high-technology industries demandingabsolute integrity and reliability. With ourextensive and integrated line of seals andsealing systems we are able to design, test,analyze and produce the total fluid containment and sealing needs for extreme environments.We have a reputation for innovative designs,high quality products, responsive supportand a long history of producing customizedsolutions for unique extreme environments.You will find our company a vigorous partnerin both development and production of yoursealing system.4Metal SealsParker HannifinPrädifa Technology Division
The Global Leader in Sealing TechnologyServing the Needsof High-TechnologyIndustriesDependable SealingSystems for Safety-Criticaland Extreme EnvironmentsMaking dependable sealing systems forsafety-critical and extreme applicationsgoes beyond excellence in design andmanufacturing. It also means a deepcommitment to quality as a way of life.Our company's diversification includesa wide variety of industries such as aerospace, semiconductor, oil and gas, power generation, military, transportation andautomotive.CompleteSealing SystemsHigh PerformanceEngineered Seals andSealing SystemsA sealing system consists of the mainsealing elements such as our metal andpolymer seals. These are mated withother system components such asflanges, clamps, connectors, valve bodies, to create a complete sealing system.We are your partner for the entire sealingsystems process from concept, designand development, through qualificationand production. We provide expertise incomplete project management, engineering, production, assembly and testin order to provide you a turnkey solution.Contract R&DWe offer our services in the research anddevelopment of materials and sealing technology. Our team of experienced engineers andscientists are able to develop and test newproducts and materials, perform extensiveresearch and create new technology.5Metal SealsParker HannifinPrädifa Technology Division
The Global Leader in Sealing TechnologyState-of-the-Art EngineeringDependable Sealing Systems for Safety-Criticaland Extreme EnvironmentsOur technical strength comes from a broad based R&D and engineering staff with specialties across many scientific disciplines and engineering fields. Our engineering capabilities include: Fatigue and stress relaxation analysis Complete sealing system design, development and qualification testing in accordancewith various industry design codes, including, American Petroleum Institute API 6Aand API 17D, American Society of Mechanical Engineers ASME B31.3, ASME SectionIII, ASME Section VIII, Society of Automotive Engineers and Aerospace Standards Classical stress analysis Non-linear finite element analysis (FEA), 2-D and 3-D 3-D solid modeling and design of sealing systems components Modeling of loads, pressure effects and system dynamics for determining deflectionand pressure induced stressesMaterials ResearchComprehensive research, analysis and testing of metals, polymers, thermoplastics andcomposites enables us to develop and utilize materials that are best suited for your application. Factors such as strength, hardness, corrosion, temperature, fatigue, wear,friction, lubricity, elongation and extrusion are considered. Mindful of commercial issues,our material evaluation process also takes into consideration issues such as cost, availability and sourcing.MetallurgyOur ongoing research program is focused on increasing the working temperature limitsfor seals. Exploring both metal and metal composite technologies that are less prone tostress relaxation at high temperatures, we are developing seals for tomorrow’s gas turbine and rotaryengines.TribologyStudying the interaction of sliding surfaces, we employ multiple disciplines including the physics offriction, material science of wear and chemistry oflubrication. Testing diverse combinations of materials,heat treatments, surface treatments and coatingsensures our sealing systems will endure the dynamicrequirements of the application and meet your requirements for performance and integrity.6Metal SealsParker HannifinPrädifa Technology Division
The Global Leader in Sealing TechnologyManufacturing TechnologiesOur core manufacturing technologies include metal roll and die forming, various fusionweld methods, CNC machining of metals, polymers and thermoplastics, vacuum heattreatment and electroplating. Production engineering skills include CAE development ofroll and die forming tools, as well as the design and development of specialized formingmachines and proprietary welding processes.Test CapabilitiesAn important part of the development processof a sealing system is the rigorous testing ofthe new design. We perform comprehensivequalification testing of the sealing systems aswell as 100 % functional testing of productionunits prior to delivery if desired.Our extensive testing capabilities include: Pressure testing: 10-5 torr to 140 MPa (20,000 psi) Helium mass spectroscopy leakage testing: 10-11 mbar liter/sec Temperature range: Cryogenic to 982 C (1800 F) High cycle fatigue testing Dynamic wear, friction and torque testing Extrusion testing Load versus deflection seal testing and measurementWe are also able to design elaborate test fixtures and equipment to meet the testing andfunctional requirements of your unique sealing system. When necessary, we collaboratewith outside test facilities, universities, and our customer’s own engineering departments and laboratories for specialized performance and qualification testing.Total Project Management –Budgeting, Scheduling & PlanningThe Key to Successful ProjectsEvery Parker sealing system is treated with a complete project management approachto ensure all aspects of the program run smoothly, efficiently and in strict adherence toyour schedule requirements. The project manager is your single point contact; however,you also have access to our engineering staff throughout the program.Our project manager develops a comprehensive program schedule identifying all projectmilestones and the “critical path”. The project manager then coordinates the responsibilities of all functional teams including engineering, manufacturing, purchasing and qualitycontrol ensuring all tasks are performed on time. We believe the philosophy of adedicated project manager is key to the success of the program.7Metal SealsParker HannifinPrädifa Technology Division
The Global Leader in Sealing TechnologyThe Parker Metal SealThe most extreme environments demand metal seal sealing solutions. Resilient metal seals meet the challenges of high temperatures or cryogenics, high pressures or hard vacuum, corrosivechemicals and even intense levels of radiationperforming dependably year after year.Advantages of Metal Seals Independent Optimization of Functional Componentsmeans each discrete function including load, springback andouter sealing layer ductility/hardness can be optimized to ensure highest seal performance in every situation. Directly Bonded Electroplating onto the load bearing substrate eliminates unnecessary parts and failure modes. Pressure Energization uses internal hydrostatic pressuresbeneficially to supplement the self-energization forces from thetubing, jacket or spring. This becomes particularly helpful athigh pressures over 21 MPa (3,000 psi) enabling metal seals toseal at 170 MPa psi (25,000) and beyond, without risk of blowby during proof or burst testing. Total Metal Seal Service covers custom and standard sizedseals from 6 mm to 7.60 m (0.250 to 300 ), including circularand non-circular shapes. We also offer the complete range ofMS metal O-ring sizes, all AS1895 E-ring sizes, and the fastestdelivery of C-rings from our preferred size list (see page E-86). Rapid Response and JIT (just-in-time) deliveries are assureddue to design, testing and all manufacturing processes (including roll and die-forming, machining, welding, heat-treatment,electroplating) being performed within our own facilities.Metal Seals are the Preferred Solution in many jet engine andspace applications as well as oil, gas, and chemical equipment,plastic molding, diesel engines and a growing variety of industrialequipment. With ever more stringent pollution and leakage legislation, plus the demand for greater efficiency and lifetime reliability, metal seals provide the highest integrity sealing solutions fortoday’s world and tomorrow’s.8Metal SealsParker HannifinPrädifa Technology Division
How To Use the Design GuideThe Advanced Products Business Unit’s line of resilient metal seals are offered in avariety of sizes, shapes, cross sections and materials to satisfy the sealing needs ofyour extreme environments.The metal seal part number defines all of the key design elements as indicated onthe following page.XXX - 000000 - 00 - 00 - 0 - XXXMetal Seal Type(Section B)Seal Diameter(Section C)(millimeters specified to twodecimal places)Seal Cross Section(Section C)Material(Section D)Temper(Section D)Plating, Coating or Finish(Section D)This design guide provides a rapid, unambiguous, self-selection process with all the features, applications and limitations of each product clearly stated. The guide is organized into sections whicheasily allows you to determine the part number of the metal seal that is right for your application.Section Bhelps you to determine which metal seal type is most appropriate foryour application.Section Cis organized by metal seal type. Having selected the best metal seal typefrom Section B, simply turn to the page in Section C for the seal selectedand you will find all the groove and metal seal dimensions you need.Section Dlists the many available metal seal materials and assists you indetermining which combination of materials is most appropriate foryour sealing environment.Section Eprovides supporting technical information and recommendations.Section Fshows a number of other metal seal designs which are availablefor unique applications when only a special seal will do. In thesecases, please contact one of our applications engineers at any of ourworldwide offices and we will be happy to assist you. Please send us yourapplication data sheet (Page F-103 & F-104) for a fast, complete response.9Metal SealsParker HannifinPrädifa Technology DivisionSection AGeneral InformationSection A – General Information
Section A – General InformationMarket ApplicationsAerospaceApplicationAccessoriesGas Turbine Bleed AirGas Turbine Compressor SectionsGas Turbine Cooling AirGas Turbine Fuel NozzlesGas Turbine Fuel SystemsGas Turbine, Turbine SectionsHydraulic SystemsMS 33649 Fluid Connection BossMS StandardsProbe and SensorsRocket Fuel SystemsV-Band CouplingC-SealE-SealO-RingMil StdBoss SealEngineeredC-SealE-SealO-RingMil StdBoss SealEngineeredC-SealE-SealO-RingMil StdBoss SealEngineeredC-SealE-SealO-RingMil StdBoss SealEngineeredC-SealE-SealO-RingMil StdBoss SealEngineeredOil & Gas, Power GenerationApplicationGas Turbine CasingGas Turbine CombustorGas Turbine Compressor SectionsGas Turbine Cooling AirGas Turbine Fuel NozzlesGas Turbine Fuel SystemsGas Turbine, Turbine SectionsGas Turbine Vane SealHeat ExchangersMS 33649 Fluid Connection BossNuclear Waste Container CasksOil Field Control SystemsPiping and FlangesSteam Turbine Casing SealsValve SeatsValvesMilitaryApplicationAerospace StandardsImaging DevicesMissilesMS 33649 Fluid Connection BossSatellite SystemsVehicle Engine Exhaust SystemsWeaponsSemiconductorApplicationGas Delivery SystemsHeavy Duty Mobile, Transportation AutomotiveApplicationTurbochargersEngine Exhaust SystemsA-10Metal SealsParker HannifinPrädifa Technology Division
Section B – Metal Seal Type SelectionSelecting the Metal Seal Type for Your ApplicationSection BSeal Type SelectionMetal seals are produced in a number of standard designs which are appropriatefor use in a broad spectrum of the most commonly encountered applications.The Metal Seal Type is designated in the part number as shown below.MXX - 000000 - 00 - 00 - 0 - XXXMetal Seal Type(The first letter, M, indicates that the sealdimensions are specified in SI units (millimeters))Seal Diameter(millimeters specified to two decimal places; 0000,00)Seal Cross Section (Section C)Material (Section D)Temper (Section D)Plating, Coating or Finish (Section D)The flow diagrams on the following pages are designed to provide guidance to the appropriate metalseal type for your application. There are two basic types of applications:Face Seal ApplicationsCLHigh LoadGenerally, the highload seals providegreater leak tightnessand are preferredwhen there is sufficient seating load (theload required to compress the seal) andlittle flange movementdue to thermal excursions, vibrations, etc.CLSee page B-12.High ElasticityLower load seals are frequently used when resiliency or springbackis needed to maintain effective sealing duringflange separation or rotation. Additionally, low loadseals are suitable for applications where seating loadis limited or there is concern about yielding ordamaging the mating hardware surfaces.See page B-13.Axial Seal ApplicationsCLMCA, Axial C-Ringcan be used as either a static seal or in semidynamic applications such as a quarter-turnvalve stem seal.See page C-41.B-11Metal SealsParker HannifinPrädifa Technology Division
Section B – Seal Type SelectionFace Seals for Higher Seating Loads& Lowest Leakage RatesMSI(Greater than 17.5 N/mm circumference)InternalPressureDirectionExternal1,6 µm R aor rougherMSESurfaceRoughnessMCI0,8 µm R edium(30%)MCESpringbackMOI, MON or MOPLow( backMOE, MOM or MORLimited ternalMWEB-12Metal SealsParker HannifinPrädifa Technology Division
Seal Type Selection I Face Seals for Lower Seating Loads & Higher SpringbackFace Seals for Lower Seating Loads& Higher SpringbackSection BSeal Type Selection(Less than 17.5 N/mm MEEStartHighestSpringback(95 %)High Springback (60 %)Higher pressurerating, -13Metal SealsParker HannifinPrädifa Technology Division
Section B – Seal Type SelectionSeal Selection at a GlanceIn addition to the metal seal selection flow diagrams on the preceding pages, the following rating table provides simple guidelineswhich can be used to confirm the appropriate metal seal selection.Refer to the table below for a comparison of metal seal types.Ratings:ExcellentVery GoodGoodFairNot RecommendedSeal TypeHigh SpringbackLow LoadSealing RequirementsHigh LoadLow Leak RatePressureCapabilityLow CostMetal C-RingMetal E-RingMetal O-RingMetal U-RingMetal Wire RingSpring Energized C-RingStandard Metal Seals for Specificand Standard ApplicationsThe metal seal type for these applications are listed below.Seal DescriptionMetal Seal TypeBoss Seal for MS-33649 Fluid ConnectionBoss and MS-33514/33656 Fitting Ends. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MCIMetal E-Ring for AS1895 Flanges. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MEIMetal O-Ring for Aerospace Standards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MONB-14Metal SealsParker HannifinPrädifa Technology Division
Section C – Size SelectionSelecting the Size for Your ApplicationMetal seals are available in any diameter from 6.35 mm to 8 m and avariety of free heights to fit the various cavity sizes you may have.The metal seal size is designated in the part number as shown below.MXX - 000000 - 00 - 00 - 0 - XXXMetal Seal Type(The first letter, E, indicates that the sealdimensions are specified in SI units (millimeters))Seal Diameter prior to plating(millimeters specified to two decimal places; 0000,00)Cross Section CodeMaterial (Section D)Section CSeal Size SelectionTemper (Section D)Plating, Coating or Finish (Section D)Refer to the page of the metal seal type selected for your application to determine the appropriateseal diameter, cross section and cavity dimensions. Cavity, seal dimensions and seal performancedata for the standard metal seals can be found on the following pages:Seal TypeSeal DescriptionPageFace MWEMetal C-Ring, External Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-16Metal C-Ring, External Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-18Spring Energized Metal C-Ring, Internal Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . C-20Spring Energized Metal C-Ring, External Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . C-22Metal E-Ring, Internal Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-24Metal E-Ring, External Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-26Metal O-Ring, I.D. Vented, Internal Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-28Metal O-Ring, Plain, Internal Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-28Metal O-Ring, Pressure Filled, Internal Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . . C-28Metal O-Ring, O.D. Vented, External Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-30Metal O-Ring, Plain, External Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-30Metal O-Ring, Pressure Filled, External Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . C-30Metal U-Ring, Internal Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-32Metal U-Ring, External Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-34Metal Wire Ring, Internal Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-36Metal Wire Ring, External Pressure Face Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-38Axial SealsMCAMetal C-Ring, Axial Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-40Seals for Standard ApplicationsBoss Sealfor MS-33649 Fluid Connection Boss and MS-33514/33656 Fitting Ends.C-42Metal E-Ring for AS1895 Flanges. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-44Metal O-Ring for Aerospace Standards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-45C-15Metal SealsParker HannifinPrädifa Technology Division
Section C – Seal Size SelectionMCI Metal C-RingInternal Pressure Face SealApplications:Z2A Excellent internally pressurized static face seal for valveassemblies, pressure vessels, jet engines, fuel injectors,separable fittings, etc. Moderate load permits the use of lighter flangesand fewer bolts.F Good springback properties to accommodate thermalcycles and joint separation.R Temperature range from cryogenics to 870 C.CLG Pressure range from vacuum to 524 MPa and above.RGDFeatures:COUNTERBOREMODE Wide range of 10 standard free heights from 0.79 mmto 12.7 mm.GROOVEMODE Available in any diameter from 6.35 mm to 3 m,plus hundreds of preferred sizes (refer to page E-86). Relatively flexible for use with non-flat flanges. Multiple material choices for high temperature strength,good spring back, corrosion and fatigue resistance. Optimized one piece construction for low cost. Wide range of plating options (refer to page D-59) forsuperior sealing. Uses jacket strength and hydrostatic forces additively toincrease sealing forces at higher pressures. Circular, race-track and other custom shapes available.Tri-lobed or elliptical C-rings available for snap-in/snapout convenience.Cavity DimensionsNominalCrossSectionDO.D. RangeTolerance H10FDepthRangeGMinimumWidthRMaximumRadius0.796.00 – 25.000.64 – 0.691.020.251.198.00 – 50.000.94 – 1.021.400.301.5710.00 – 200.001.27 – 1.371.910.382.3913.00 – 400.001.91 – 2.012.670.513.1825.00 – 600.002.54 – 2.673.430.763.9632.00 – 750.003.18 – 3.304.321.274.7675.00 – 900.003.84 – 3.995.081.276.35100.00 – 1200.005.08 – 5.286.601.529.53300.00 – 2000.007.62 – 8.039.651.5212.70600.00 – 3000.0010.16 – 10.6712.701.52All di
How to Use the Design Guide. A-9 Market Applications. A-10 Section B - Metal Seal Type Selection Selecting the Metal Seal Type for Your Application . B-11 Seal Selection at a Glance . due to design, testing and all manufacturing processes (includ-ing roll and die-forming, machining, welding, heat-treatment, .
