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不銹鋼油封B

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-不銹鋼油封

不銹鋼油封B型

PTFE油封材質選用 Material Selection for PTFE Oil Seals
編號 No.	密封件材質 Material	應用特性 Application Feature
1	純鐵氟龍 Virgin PTFE	適用于食品，制藥等制程 Suitable for foodstuff and pharmaceutical process.
2	玻纖填料鐵氟龍PTFE filled glass fiber	改良的耐壓，耐磨性，抗化學性；較優的熱導性 Improved pressure-resistant, wear resistance, excellent chemical resistance and optimum thermal conductivity.
3	青銅填料鐵氟龍PTFE filled bronze	耐高壓，耐磨耗，熱傳導性佳，特別適用于190℃以上的高溫場合 High pressure resistance, good thermal conductivity, abrasion resistance, especially for applications in high temperature above 190 ℃.
4	石墨填料鐵氟龍PTFE filled graphite	適用于短期無潤滑或長期潤滑不良的旋轉應用 Suitable for Short-term without lubrication or long-term bad lubrication rotary applications.
5	碳纖填料鐵氟龍PTFE filled carbon fibre	耐磨，耐壓性，良好熱導性，低透氣性 Excellent wear resistance and pressure resistance, good thermal conductivity,low-permeability

鋼環及靜止密封墊材質選用 Steel ring and static gasket material selection
編號 No.	鋼環材質Material	應用特性
1	碳鋼Carton steel	標準材質，一般環境下潤滑油或潤滑脂之應用 Standard material, suitable for general environment of lubricating oil or grease.
2	304不銹鋼304 stainless steel	腐蝕環境下潤滑油或潤滑脂之應用 Suitable for lubricating oil or grease under corrosive environment.
3	316不銹鋼316 stainless steel	腐蝕性流體之密封 Corrosive fluid seal
編號 No.	密封墊材質Material	應用特性Application Feature
1	NBR	標準材質，一般環境下潤滑油或潤滑脂之應用，適用溫度-40～100℃ Standard material, suitable for general environment of lubricating oil or grease, applicable temperature - 40 ~ 100 ℃
2	FKM(Viton)	高溫下潤滑油或潤滑脂之應用，適用溫度-20℃～200℃ Suitable for lubricating oil or grease under high temperature, applicable tempreature - 20 ℃ ~ 200 ℃

轉軸與溝槽的要求

Requirements of shaft and groove

為充分發揮PTFE油封的優異性能與耐用性，并避免安裝不當導致密封件受損，軸的密封面與密封件溝槽必須有適當的加工。安裝時，聚四氟乙烯密封唇必須向壓力側。

軸Shaft
■軸表面硬度≧40HRC（潤滑不良或高速運轉的場合≧58HRC)
Shaft surface hardness≧40HRC
（poor lubrication or high speed occasion≧ 58HRC)
■表面研磨并拋光以去除銳角，表面粗度Ra=0.2～0.5 um,
真空應用Ra≦0.2um
Grinding and polishing the surface to remove the sharp angle, the surface roughness Ra=0.2～0.5 um,vacuum applications Ra≦0.2um
■軸徑尺寸公差h11 Shaft dimensional tolerances h11
■端面導角15° - 30° Face conduction angle 15° to 30°
溝槽Groove
■表面粗度Ra≦0.8um Surface roughness Ra≦0.8um
■溝槽尺寸公差H8 Groove dimensional tolerances H8
■端面導角5° - 15° Face conduction angle 5° to 15°