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HEROSE|12 October 2022

Cryogenic Changeover Valve

With usually two outputs, but only one input, a changeover valve connects two safety valves with a pressure device. Changeover valves are used with air gasses, vapours, and in cryogenics with cryogenic liquefied gasses such as nitrogen. 

Compared to a standard ball valve, changeover valves have at least two safety valves designed to protect the equipment, such as a liquid gas tank, from impermissible overpressure.

With usually two outputs, but only one input, a changeover valve connects two safety valves with a pressure device. Changeover valves are used with air gasses, vapours, and in cryogenics with cryogenic liquefied gasses such as nitrogen.

Cange-over valves are available in sizes from DN15 to DN50 and secure pressures up to 250 bar, at operating temperatures of -270°C to +400°C. The changeover valves are manufactured primarily in stainless steel, but also in bronze and brass.

Germany-based HEROSE is an industry-leading provider of high-quality valves and fittings, which are specifically designed to meet the most complex engineering challenges of the industrial...
HEROSE offers an extensive collection of liquefied natural gas (LNG) valve systems that have been specially designed to provide robust protection for cryogenic LNG facilities...
HEROSE’s line of cryogenic valve systems has been carefully optimised for low-temperature applications, providing effective and dependable protection at temperatures as low as –269°C.
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