Designed for extreme conditions, these 40MPa and 30MPa two stage piston rings withstand high pressure environments with PTFE ensuring stability and durability in industrial equipment and heavy machinery PTFE natural lubrication, reducing friction without additional lubricants, ideal for frequently operated machinery to minimize downtime and efficiency Highly resistant to acids and alkalis, these PTFE piston rings maintain integrity in harsh environments, perfect for plant and lab equipment The innovative two stage piston rings design provides sealing, minimizing leakage risks in long running equipment like air compressors and hydraulic systems, extending device life PTFE ensures a weight, reducing equipment load and improving portability for mobile or handheld tools, enhancing user control and, Manufacturer: Piceioep