Hebei Hankai 17x40x7 seal






3. Pressure Maintenance In many applications, oil seals are designed to maintain pressure within a system. By preventing the exit of oil and the entrance of contaminants, they help in sustaining the necessary pressure levels for optimal operation. This function is especially important in hydraulic systems, where pressure plays a critical role in performance.
what is the function of oil seal


In garment production, the ability to create decorative stitching enhances the aesthetic appeal of clothing items. Designers often use swing needle machines to add unique touches, such as embroidered logos or intricate hems, which can elevate a piece from simple to spectacular. In upholstery, the durability and versatility of swing needle stitching ensure that seams can withstand the wear and tear associated with daily use, making these machines a preferred choice for professionals.
swing needle sewing machine
