The REGO 9400 Series Relief Valve is a specifically designed relief valve for vapor line safety relief applications and cryogenic liquid containers. Engineered for use with liquid oxygen, nitrogen, argon, carbon dioxide, LNG, and other cryogenic liquids, this valve provides reliable overpressure protection in cryogenic systems. It is suitable for stationary and portable storage tanks, cylinders, and piping systems. The REGO 9400 Series Relief Valve is designed to provide reliable overpressure protection in cryogenic systems. It is engineered for use with liquid oxygen, nitrogen, argon, carbon dioxide, LNG, and other cryogenic liquids. The valve is suitable for stationary and portable storage tanks, cylinders, and piping systems. It is designed to provide reliable overpressure protection in cryogenic systems. It is engineered for use with liquid oxygen, nitrogen, argon, carbon dioxide, LNG, and other cryogenic liquids. The valve is suitable for stationary and portable storage tanks, cylinders, and piping systems.