Product Feature: 1.1S015552 (original 1S06431)standard cylinder; 2.The piston seal is composed of two Y-shape one-way seal structure, which hascompensation function, long service life and low start-up pressure, 3.TheЖ-shaped aluminum pipe without tie rod has good corrosion esistance. with sensorswitch groove on the two sides of body; 4.The buffer adjustment of cylinder is smooth and steady, 5.Cylinders and accessories for installation with several specifications are optional.