high pressure rotary seal
1. Dimensions The numbers can indicate the dimensions of the seal. For instance, the first number may denote the inner diameter, the second, the outer diameter, and the third could refer to the width or height of the seal. These dimensions are critical for ensuring that the seal fits perfectly within the intended assembly, thereby maximizing effectiveness.
20 35 7 oil seal

One of the key benefits of using a zig zag stitch machine is its ability to finish raw edges. In the absence of sergers, seamstresses often rely on a zig zag stitch to prevent fabric fraying. This is particularly useful for knit fabrics, which can be prone to stretching and unraveling. By securing the edges with a zig zag stitch, users can ensure that their projects maintain durability and a polished appearance.