Level transmitter cryogenic seal

This cryogenic seal enables accurate, reliable level measurement of condensed and liquefied gasses at temperatures as low as -196 C.


Cryogenic seal for level transmitters

The cryogenic seal for the Rosemount 5300 series guided wave radar (GWR) level transmitters enables accurate, reliable level measurement of condensed and liquefied gasses at very low temperatures to -196 C and is ideal for use in process tanks, side chambers, storage tanks and transportation vessels. The seal offers benefits to process industries where liquefaction of gasses occurs. These gasses include natural gas, ethane, propane, butane, LPG, NGL, ethylene, nitrogen, inert gasses (such as Argon, Neon and Xenon) and carbon dioxide. The hermetic gas-tight and robust construction also offers a safe and reliable seal solution for measuring liquefied anhydrous ammonia.

The new transmitter seal provides multiple layers of protection using a temperature and pressure barrier in a flexible assembly to handle forces induced by probe movement and temperature variations. A second brazed hermetic, gas-tight seal provides additional protection. The entire assembly is welded into a stainless steel sleeve for total robustness. The two-wire technology of the Rosemount 5300 enables fast and inexpensive installation. FOUNDATION fieldbus, HART and PlantWeb functionality means the transmitter integrates easily into new or existing control systems. This, in addition to maintenance-free operation, results in a quicker return on investment with overall improved uptime and enhanced safety.

Emerson Process Management


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