rubber hub seal
In addition to reducing friction, hydraulic piston oil seals also help maintain the cleanliness of the hydraulic fluid. By sealing the piston chamber, these seals prevent dirt, debris, and other contaminants from entering the system and causing damage to the hydraulic components. This is particularly important in industries where hydraulic systems are exposed to harsh environments or heavy use.
hydraulic piston oil seals

Another application of the two needle stitch is in home décor and upholstery. From curtains to cushions, this technique provides a robust seam that can withstand the rigors of everyday use. The added strength of the parallel stitching ensures that seams remain intact despite the stresses placed upon them. It also allows for creative opportunities, as variations in thread color or patterns can enhance the overall design of home accessories.
two needle stitch
