The extremely low temperatures that cryogenic systems operate under causes materials to become brittle and more susceptible to damage. Any foreign particles such as dirt, dust or even water vapor can damage the system by scratching or abrading components. That, in turn, leads to leaks that can release cryogenic fluids and cause life-threatening situations.
Monel strainers catch problems before they start.
Cryogenic filtration ensures compliance with specified levels of purity for downstream processes not only for safety, but also for maintaining the system’s integrity and product purity. Cryogenic strainers are available in sizes from DN10 to DN200 and secure pressures up to 50 bar, at operating temperatures.
Monel is a corrosion-resistant alloy that is strong and ductile, meaning it can be manipulated and formed without compromising strength or composition, and is thus a perfect solution for cryogenic systems. Monel’s fine mesh is tight enough to trap tiny particles while still allowing cryogenic fluid to pass through – crucial for oxygen systems.
The Herose Low-Temperature Strainer Valve stands out in the industry for its 100 micron Monel strainer basket, -325℉ cryogenic design and 725 PSI rating. The vast majority of strainers are rated to only to -40℉ and meant for lower-pressure applications. At Ratermann, we’ve incorporated the Herose strainer valves on our Arctic Fox tanks and they have been extremely effective at trapping the tiniest particulates. That saves the valve, and ensures a clean cryogenic product.
Easy, periodic maintenance.
In any bulk equipment out of an OEM or transport trailer, etc., there can be issues with Teflon or tank slag that doesn’t get flushed out. Putting the Herose strainer into place will keep debris out of the regulator. Depending on your maintenance cycle, every six months, it’s a good idea to regularly check the strainers and relief valves and clean out the captured particulates.
The Herose strainer valve has a four-bolt flange safety that can be removed after the system has been de-pressurized. Different systems have different rates of contaminant buildup, so establish a regular cycle based on your system. A clean strainer is not only safer, but restores your flow rates. Clean strainer = faster flow rates = happy system!
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