Rotary Seals - Dilanda.it

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Rotary Seal Radiation Precaution should be taken to protect stored articles from all sources of ionising radiation likely to cause damage to stored articles. Oxygen and ozone Where possible, elastomeric materials should be protected from circulating air by wrapping, storage in airtight containers or by other suitable means. As ozone is particularly deleterious to some elastomeric seals, storage rooms should not contain any equipment that is capable of generating ozone, such as mercury vapour lamps, high voltage electrical equipment, electric motors or other equipment which may give rise to electric sparks or silent electrical discharges. Combustion gases and organic vapour should be excluded from storage rooms alas they may give rise to ozone via photochemical processes. Deformation Elastomeric materials should, wherever possible, be stored in a relaxed condition free from tension, compression or other deformation. Where articles are packed in a strainfree condition they should be stored in their original packaging. Contact with liquid and semi-solid materials Elastomeric seals should not be allowed to come into contact with solvents, oils, greases or any other semi-solid materials at any time during storage, unless so packed by the manufacturer. Contact with metal and non-metals Direct contact with certain metals, e.g. manganese, iron and particularly copper and its alloys, e.g. brass and compounds of these materials are known to have deleterious effects on some rubbers. Elastomeric seals should not be stored in contact with such metals. Shelf life and shelf life control The useful life of a elastomeric seals will depend to a large extent on the type of rubber. When stored under the recommended conditions (above sections) the below given shelf life of several materials shown below should be considered. AU, Thermoplastics NBR, HNBR, CR EPDM FKM, VMQ, FVMQ FFKM, Isolast ® Turcon ® and other PTFE 4 years 6 years 8 years 10 years 18 years unlimited Elastomeric seals should be inspected after the given period. After this if the parts have not deterioated an extension period is possible. Rubber details and components less than 1.5 mm thick are liable to be more seriously affected by oxidation degradation even when stored in satisfactory conditions as recommended. Therefore they may be inspected and tested more frequently than it is mentioned above. Rubber details / seals in assembled components It is recommended that the units should be exercised at least every six months and that the maximum period a rubber detail be allowed to remain assembled within a stored unit, without inspection, be a total of the initial period stated above and the extension period. Naturally this will depend on the design of the unit concerned. Because of possible transfer of plasticisers or other ingredients, rubbers must not be stored in contact with PVC. Different rubbers should preferably be separated from each other. Cleaning Where necessary, cleaning should be carried out with the aid of soap and water or methylated spirits. Water should not, however, be permitted to come into contact with fabric reinforced components, bonded seals (because of corrosion) or polyurethane rubbers. Disinfectants or other organic solvents as well as sharp-edged objects must not be used. The articles should be dried at room temperature and not placed near a source of heat. 14 Latest information available at www.busakshamban.com Edition April 2006
Rotary Seal n Design instructions All relevant national and international standards containing instructions for design and assembly. b2 (e.g. DIN 3760/3761 and ISO 6194/1) Installation in the gland The static seal in the mounting bore is provided by the corresponding force fit allowance at the outer sheath of the seal. 10° to 20° b1 r2 The Radial Oil Seals are referred according to the design of the outer cover - rubber coated (smooth or corrugated) or metallic. The bore is toleranced to ISO H8. Values for the surface roughness in the gland are specified in ISO 6194/1. Bore d2 H8 General values: R a = 1.6 - 6.3 μm R z = 10 - 20 μm R max. = 16 - 25 μm Figure 2 Installation depth and lead-in chamfer For metal/metal sealing or gas sealing, a good score-free and spiral-free surface finish is necessary. If the rotary shaft lip seal is bonded into the housing, ensure that no adhesive comes into contact with the sealing lip or the shaft. Table III Housing dimensions Ring b 1 Width (0.85 x b) b mm b 2 (b + 0.3) mm r 2 max. 7 5.95 7.3 8 6.80 8.3 10 8.50 10.3 12 10.30 12.3 15 12.75 15.3 20 17.00 20.3 0.5 0.7 Installation on the shaft R z 1 to 4 μm plunge ground Shaft d1 h11 Medium Pressure R Y Z Installation direction Edge rounded and polished 15° to 30° d3 Figure 3 Installation of the Radial Oil Seal Depending on the installation direction (Y or Z), a chamfer or radius on the shaft is recommended. The dimensions for this are shown in Figure 3 and Table IV. Latest information available at www.busakshamban.com Edition April 2006 15
Page 1 and 2: Rotary Seals Deutsch Your Partner f
Page 3 and 4: Rotary Seal General description ...
Page 5 and 6: Rotary Seal n GENERAL DESCRIPTION T
Page 7 and 8: Rotary Seal V—Rings Family V—Ri
Page 9 and 10: Rotary Seal PTFE Rotary Shaft seals
Page 11 and 12: Rotary Seal n Introduction Rotating
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Page 19 and 20: Rotary Seal Surface finish In order
Page 21 and 22: Radial Oil Seal Sealing element Mat
Page 23 and 24: Radial Oil Seal Fluorinated Rubber
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Radial Oil Seal Ordering example oi
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Radial Oil Seal Table X Materials S
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Radial Oil Seal Dimension Part no.
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Radial Oil Seal n Busak+Shamban typ
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Radial Oil Seal n Special types of
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Radial Oil Seal Table XVIII Materia
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Radial Oil Seal Table XIX Materials
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Radial Oil Seal Ordering example oi
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Radial Oil Seal Table XXI Materials
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Radial Oil Seal n STEFA type 12CC -
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Radial Oil Seal n Rotary and axial
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Radial Oil Seal n Product descripti
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Radial Oil Seal n STEFA standard AP
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Radial Oil Seal n STEFA 1B/APJ and
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End Cover n END COVER General descr
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End Cover Bore D H8 Width B Chamfer
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End Cover n Busak+Shamban type YJ 3
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Shaft Repair Kit n SHAFT REPAIR KIT
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Shaft Repair Kit n Installation rec
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Shaft Repair Kit n Installation rec
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Shaft Repair Kit Shaft diameter imp
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Shaft Repair Kit Shaft diameter imp
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Cassette Seal n System 3000 n Syste
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Cassette Seal ID d 1 OD Width Syste
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Cassette Seal Temperature limits fo
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Cassette Seal Shaft run out Shaft r
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Cassette Seal System 5000 The Syste
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V—Ring 70 65 60 d=190 V-Rings in
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V—Ring recommended to arrange an
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V—Ring The power losses are influ
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V—Ring n Dimension table - V—Ri
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V—Ring For shaft diameter d 1 Ins
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V—Ring Ordering example V—Ring,
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V—Ring V—Ring AX larger than 20
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GAMMA Seal Figure 64 70 TBP/RB RB 5
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GAMMA Seal b b ø d + 0.5 ø d Figu
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GAMMA Seal Table XLVII Materials St
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GAMMA Seal n GAMMA-seal type TBR/9R
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Axial Shaft Seal n AXIAL SHAFT SEAL
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Axial Shaft Seal n Applications Fie
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Axial Shaft Seal Design instruction
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Axial Shaft Seal Shaft Dimensions M
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Axial Shaft Seal Ordering example A
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Axial Shaft Seal Shaft Dimensions M
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Turcon ® Roto Glyd Ring ® n TURCO
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Turcon ® Roto Glyd Ring ® Table L
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Turcon ® Roto Glyd Ring ® 30 10 -
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Turcon ® Roto Glyd Ring ® Materia
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Turcon ® Roto Glyd Ring ® Orderin
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Turcon ® Roto Glyd Ring ® Orderin
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Turcon ® Roto Variseal ® n TURCON
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Turcon ® Roto Variseal ® blend ra
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Turcon ® Roto Variseal ® n Instal
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Latest information available at www
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For further information: Europe Tel
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