Seek O-ring size specification table, O-rings GB/T3452.1-2005
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I need a table of dimensions and specifications for O-rings. Specifically, I’m looking for the dimensions and models of the O-rings used in double-face oil film seals in accordance with GB/T3452.1-2005, as well as those made from materials such as C8B-58/C8U-58/SGF88/GSF88 and C8B-48/C8U-48/SGF88/GSF88; I need the information in terms of inner diameter * outer diameter. Thank you
In the same sealing assembly, there are two rotating rings and two stationary rings; the O-rings of the two stationary rings have the same size, and the wire diameters of the two rotating rings are equal. The outer diameter of the O-ring groove on the rotating ring on the medium-side of the seal is 72.5. According to the GB/T3452.1-2005 standard, what should be the corresponding model based on the inner diameter?
Yours uses polytetrafluoroethylene, not an O-ring; the moving ring is a V-ring
The shaft sleeve under the moving ring of C8B is 5 mm larger than that of the corresponding model; the shaft diameter at the shaft sleeve of 58 is 63 mm. Based on the outer diameter of 72.5 you provided. The O-ring can only be 63*5.3
Yes, but I would like to replace the polytetrafluoroethylene ones and V-rings with fluorosulfonic acid-resistant O-rings. This is because polytetrafluoroethylene and V-rings can easily get scratched, making them unsuitable for reuse, and their sealing performance is not as good as that of O-rings
Okay, thank you for the detailed explanation. I will then submit the purchase request using 63*5.3 material, namely sulfuric acid-resistant fluoroplastic glue
May I ask another question? How can one determine the size and type of the O-rings for the stationary and rotating rings based on the C8B sealing model? Is the shaft sleeve on the rotating ring smaller than the specified size, or is it the same size as that specified?
The shaft sleeve size under the rotating ring for models C8B-25 and above is 5 mm larger than the specified size for sealing purposes; for example, in the case of C8B-58, the diameter at the O-ring location of the rotating ring is 63 mm. The shaft diameter at the moving ring of C8U is as specified; the shaft diameter at the O-ring of the moving ring of 58 is 58 mm
How can the size and diameter of the O-ring for the stationary ring, as well as the diameter of the O-ring for the moving ring, be calculated? Can it also be determined from the model number?
This cannot be calculated; the GB/T6556-2016 standard specifies many dimensions