Do you know how to purchase O-rings? Cheapest O-ring kits box engineering editor will take you to a simple understanding.
1. Movement direction. First, it is necessary to determine the movement direction of the location of the O-ring seal. The common movement directions are reciprocating, rotating, spiral or fixed. Only after the confirmation can the next procurement process be taken.
2. Seal the key points. It is necessary to determine whether the active point is a tie rod seal with an inner diameter or a piston seal with an active point on the outer diameter. The emphasis of sealing is different, and the O-rings selected are also different.
3. Temperature grade. When choosing the density grade of the O-ring, you can first check the requirements for the temperature level of the O-ring in the equipment instruction manual, or you can determine the material of the O-ring according to the actual working environment.

4. Pressure level. The working pressure level of the O-ring can be determined from the requirements in the equipment instruction manual. Of course, we can also observe the structure and hardness of the old O-ring to infer the working pressure level.
5. Dimensions. In general, when determining the size, it is selected according to the old sample, but in the actual use process, the size of the O-ring will be affected by factors such as temperature, pressure, wear, etc., so the old O-ring The size of the O-ring can be used as a real-time reference for selection. If you want to obtain a more accurate size, you need to use a measuring tool to measure the size of the groove where the O-ring is located.
The above is the editor of Cheapest O-ring kits box engineering: a brief introduction to the knowledge about the procurement method of O-ring seals.Cheapest O-ring kits box engineering