Industrial shaft seals

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gab.ru Radial Берг shaftАБ sealsbergab@ya.ru Тел. (495)-228-06-21, факс (495) 22 Seal selection chart Radial shaft seals, small diameter seal range (SDS) This matrix can only provide a rough guide and the final seal selection should only be made after a more detailed examination of sealing properties with respect to the actual operating conditions and environment. If several seal designs and materials are shown together then the ratings apply to the specified design/material. Design Shell Sealing lip Secondary (outside lip diameter) Signs and symbols: +++ Very well suited (very good) R Nitrile rubber ++ Well suited (good) V Fluoro rubber +Suitable (normal) – Less suitable (satisfactory) – – Unsuitable (poor) Seals types Steel Elastomer (Plastomer) Design Material A = rubbing B = non-rubbing HMS5 HMS4 CRW1 CRWA1 CRW5 CRS1 CRSA1 HMSA10 HMSA7 CRWH1 CRWHA1 CRWA5 CRSH1 CRSHA1 – R,V normal R,V B (HMSA10) – R,V normal R,V A (HMSA7) +– Wave- R,V – Bore-Tite seal +– Wave- R,V – Bore-Tite seal +– Wave- R,V B (CRWA5) Bore-Tite seal +– normal R,V – +– normal R,V A RD10 RD30 RD60 RD11 RD70 RD71 RDD13 RDD14 RDD15 +– special PTFE – +– special PTFE B (RD11, RD71) – PTFE special PTFE – gab.ru 98 Берг АБ bergab@ya.ru Тел. (495)-228-06-21, факс (495) 22
gab.ru Берг АБ bergab@ya.ru Тел. (495)-228-06-21, Industrial факс shaft seals (495) 22 Suitability Sealing conditions Pressure Operating conditions Media differential Tight fit Rough surface Thermal expansion Split housing bore Ease of installation Housing bore/ outside diameter Sealing lip/ counterface Sliding speeds < 14 m/s (< 2 756 ft/min) Sliding speeds > 14 m/s (> 2 756 ft/min) Temperatures < 100ºC (< 212°F) Temperatures > 100ºC (> 212°F) Runout Coaxiality deviation Grease Oil Moderate particulate contamination Heavy particulate contamination Aggressive media +++ +++ +++ +++ ++ ++ + + – + V + + +++ +++ +++ +++ ++ HMSA10 (V) ++ ++ ++ ++ + ++ + + – + V + + ++ +++ ++ + ++ HMSA7 (V) +++ + – – – + ++ +++ ++ + + V + + ++ +++ + + ++ CRWH (V) +++ + – – – + ++ +++ ++ + + V + + ++ +++ ++ + ++ CRWHA (V) ++ + – – – + ++ +++ ++ + + V + + ++ +++ + + ++ (V) +++ – – – – + + – + – + V + + + ++ + + ++ CRSH (V) +++ – – – – + + – + – + V + + + ++ ++ + ++ CRSHA (V) ++ – – – + ++ +++ +++ +++ +++ +++ + + +++ +++ – +++ +++ ++ – – – + ++ +++ +++ +++ +++ +++ + + +++ +++ RD11 +++ +++ RD71 ++ ++ ++ – – ++ +++ +++ +++ +++ +++ + + +++ +++ – +++ +++ 1) 1) 1) 1) together with a separate static seal gab.ru Берг АБ bergab@ya.ru Тел. (495)-228-06-21, факс (495) 99 22
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Industrial shaft seals

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