Ceimin 35*50*12 мм масляное уплотнение вращающегося вала с двойной уплотнительной губой из ПТФЭ кольцо нержавеющей стали для компрессоров насосов смесителей

Question: What's the material of the seal?
Answer:    Lip material is filled PTFE; Housing material is SUS304.
 
Question: What's the difference between Counterclockwise/CCW and Clockwise/CW?
Answer:    That means shaft rotate direction from lower pressure side. Right seal direction for longer service time.
 
Question: What's the size of d2, d1 and b in your size chart?
Answer:    d2=shaft diameter, d1=bore diameter, b=seal width.
 
Question: Why don't you have the size I need in your chart?
Answer:    For other sizes and special types, pls contact us: sales (at) chenmingseal.com
 
Question: Is the seal for High Pressure, High Rotate Speed, and High temperature?
Answer:   Pressure: vacuum to 1.5Mpa (special type 6Mpa); Speed: 25m/s (special type 40m/s); Temperature: -60 C to +300 C
 
Question: Can the PTFE oil seal replace traditional TC/SC rubber oil seal?
Answer:    Yes, it's the best one of replacement, the service life is 10 times longer than TC/SC.
 
Question: Is there any shaft/bore design difference between PTFE oil seal and TC/SC?
Answer:    The only one difference is PTFE oil seal require shaft hardness up to HRC55, pls combine our Bushing for unhardened shaft.
 
Question: How long is the seal's service life?
Answer:    Tested life is 8000 hours with condition: pressure 1.5Mpa, rotate speed 15m/s, temperature 200 C, media lubrication oil.
 
Question: How long is the lead time?
Answer:    We'll ship out in 24 hours when IN STOCK.
 
Question: How long can we receive the seals?
Answer:   according to Alibaba expresses. approx. 8-15 days.