With an extensive pressure rate of 4,500 bar, the MAXIMATOR O-Ring check valves are capable of shutting off directional flows of gases and fluids. They are incorporated with a leakage-resistant sealing feature. The O-Ring and Ball Check Valves are well suited for various types of applications. These valves are provided with collars and glands sections. The O-Ring materials can be employed as a compatible tool for various operation temperatures.