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EO2-Plus

EO2-Plus. Tube end. Leak free connection requirements. Leak free in extreme long term use No welding, brazing, flanging S afe assembly by elimination of potential assembly errors Reducing individual parts Reducing assembly costs. History: Ermeto bite type rings. “D“ Ring 1930.

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EO2-Plus

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  1. EO2-Plus

  2. Tube end

  3. Leak free connection requirements • Leak free in extreme long term use • No welding, brazing, flanging • Safe assembly by elimination of potential assembly errors • Reducing individual parts • Reducing assembly costs

  4. History: Ermeto bite type rings “D“ Ring 1930 “D“ Ring 1956 “EO2“ “DPR“ 1980 “PSR“ 2001

  5. Tube end ISO 8434-1 Tube ISO 8434-1/DIN 2353 Functional Nut

  6. Functionality EO2-Plus Click on picture to start film

  7. EO-2 Connection Functional Nut separate holding and sealing function Ermeto tube Fitting Body

  8. Sealing function EO2-Plus Advantages of soft sealing • Avoids infiltration of dirt, scratches and air • More tolerant when under-assembled • Flexible to high vibration and pressure impulses • Pressure supported sealing effect: the higher the pressure the better the sealing effect

  9. Nut conforms to ISO 8434-1 +Pre-assembled ferrule Functional Nut Functional Nut

  10. Features EO2-Plus • Sealing and retaining rings are combined and integrated in the nut so that they cannot fall out • The individual components cannot be forgotten, confused or assembled in the wrong orientation • Reduced number of individual parts • Fixed elastomeric sealing • Pressure supported sealing effect

  11. Assembly “to block“ Stop

  12. Clear assembly check

  13. Connection functions, when the gap is closed: Cutting Spring effect Tube-clamping Elastomeric sealing No “stress“ in 24° cone while assembling

  14. Integrated pre-assembly tool e.g. VOMO16SX DOZ…..Works in the functional nut like a pre-assembly tool

  15. Sealing replaceable

  16. Assembly advantages EO2-plus • Highest assembly safety: clear assembly stop; assembly torque increase • Uniform and reliable fitting assemblies • No re-tightening necessary • Effective bite depth stop • Several repeated assemblies • Direct assembly possible with integrated assembly-tool

  17. Body = Steel Tube = Steel Functional nut consisting of: Nut DIN 3870 = Steel Sealing Ring (DOZ . . . ) = Steel: quenched, tempered and vulcanised NBR Retaining ring = Steel carbonised EO2 standard e.g. FM10LCF

  18. e.g. FM16SVITCF EO2 - FKM Body = Steel Tube = Steel Functional nut consisting of: Nut DIN 3870 = Steel Sealing Ring (DOZ . . . ) = Steel: quenched, tempered and vulcanised FKM Retaining ring = Steel carbonised

  19. EO2 - SSA e.g. FM16SSSA Body = Steel Tube = Stainless Steel Functional nut consisting of: Nut DIN 3870 = Steel Sealing Ring (DOZ . . . ) = Steel: quenched, tempered and vulcanised NBR Retaining ring = Stainless Steel

  20. Part Numbering - EO2-Plus GE16ZSREDCF Complete part consisting of: Body: GE16SREDOMDCF Functional nut: FM16SCF

  21. Chromium6-freesurface coating (500 hrs resistance against white rust)

  22. Safer and easier assembly EO–Lub (Lubrication) 25 % reduced assembly torque “EO plus” 38S “EO2 plus” 38S

  23. Pressure ratings

  24. Pressure comparison PN:DIN/ISO vs. Ermeto

  25. For each 10m length of tube the following is needed: Application examples changing Series S to L in EO-Plus Example: shipbuilding / tankers • 2 straight fittings • 2 elbow connectors • 2 straight port / stud connectors

  26. Li13 Li13 3.5 2.5 R 20 x 3.5 R 18 x 2.5 At a Glance: Series S vs. L

  27. Saving Weight advantage

  28. Price advantage

  29. New Generation EO2-Plus • Chromium6-free surface coating • Better materials / pressure stability • Highest assembly-safety, easy assembly by • Enlarged spanner flats • EO-Lub – reduced assembly torque

  30. Benefits EO2-Plus for Assembly • Highest assembly safety: easy to check by closed gap • Easy direct assembly with integrated pre-assembly tool • No fitting failure by worn-out pre-assembly tools • No confusion with several components: only 1 part to handle • No re-tightening necessary • Repeated assemblies for many times • Excellent sealing capability and long term durability

  31. Proven in Connections Worldwide • Mobile hydraulic systems • Stationary hydraulic systems • Instrumentation • Pneumatic systems • Gas applications • Lubrication lines • Sprinkler systems

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