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四氟高速油封

PTFE油封材質選用

類型
Type
運轉條件
Rotary Condition
主要性能與應用
Main Performance and Application

A型
速度Speed:≤30m/s
壓力Pressure:≤5bar
全鐵氟龍單密封唇，摩擦阻力小，適于風車、泵、壓縮機、齒輪箱、引擎曲軸箱等各種應用。
Single lip teflon seal,low friction, suitable for windmill,pump,compressor,gearbox,engine bearing and other applications.

B型
速度Speed:≤18m/s
壓力Pressure:≤30bar
全鐵氟龍雙密封唇，適用壓力高達30bar，適用于油壓馬達，泵，液壓油壓元件等應用。
Double lip teflon seal,use in high pressure 30bar,application in hydraulic motor,pump,hydraulic oil presses.

C型
速度Speed:≤8m/s
壓力Pressure:≤3.5bar
單密封唇彈力加強型，適用于轉軸圓度不佳或偏擺較大的旋轉密封。
Flexibility reinforced single lip,suitable for poor roundness and largely swung rotary shaft sealing.

D型
速度Speed:≤8m/s
壓力Pressure:≤3.5bar
與C型相同，但增加圓周密封，可應用于多粉塵環境。
Same as type C,but added circumferential seal,can be used in heavy dust environment.

E型
速度Speed:≤30m/s
壓力Pressure:≤5bar
與A型相同，但增加圓周密封，可應用于多粉塵環境。
Same as A,but added circumferential seal,can be used in heavy dust environment.

F型
速度Speed:≤18m/s
壓力Pressure:≤30bar
與B型相同，但增加圓周密封，可應用于多粉塵環境。
Same as type B,but added circumferential seal,can be used in heavy dust environment.

I型
速度Speed:≤20m/s
壓力Pressure:≤5bar
密封唇壓力較高，適用于氣體及磨耗性流體。
Sealing lip can resist high pressure,apply in gas and abradability fluid.

J型
速度Speed:≤30m/s
壓力Pressure:≤1.5bar
密封唇壓力較低，主要應用于軸承的密封。
Low pressure-resistant,mainly apply in bearing sealing.

H型
速度Speed:≤8m/s
壓力Pressure:≤20bar
單密封唇V形彈簧加強，適用于轉軸圓度不佳或偏擺較大的密封。
Single lip with V spring reinforced,suitable for poor roundness and largely swung rotary shaft sealing.

全PTFE油封的型式

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，極佳抗化學性；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 fiber
極佳之耐磨，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

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

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。
To maximize the performance of PTFE seal excellent and durability, and avoid installation.Improper damaged seals, shaft sealing surface and groove are needed.Appropriate processing. When installed, PTFE sealing lip must face the pressure side.

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=0.2～0.5um,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≦0.8umSurface roughness Ra≦0.8um
■溝槽尺寸公差H8Groove dimensional tolerances H8
■端面導角5° - 15° Face conduction angle 5° to 15°