Welded Hydraulic Cylinder Tang 3500 PSI. These high quality welded hydraulic cylinders are manufactured in accordance with U.S. standards. This cylinder was designed for use in various types of mobile equipment such as waste, recycling, construction, transportation, agriculture, material handling, etc. Its' unique rigid welded design, high tensile welded steel end mounts, threaded gland and top quality seals allow cylinders to work in harsh conditions and fit most of applications. All cylinders are fully and easily maintainable. Each cylinder is pressure tested at 150% of its working pressure before shipping. Cylinders are manufactured in accordance with ISO 9001. The ports in line with pins create extra flexibility for customization.