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MRI Quench Vent Resource Library

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We have all the information you need regarding MRI quench vent requirements, MRI quench vent installation, parts, calculations and more.

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Single-Wall MRISW Info Sheet

CryoDuct MRISW Submittal Brochure

Double-Wall MRIP2 Info Sheet

CryoDuct MRIP2 Submittal Brochure

Overview Brochure

MRI Quench Vent FAQs

A quench occurs when there is a loss of superconductivity in an MRI machine magnet. This causes the magnet to heat up and boil, evaporating the liquid helium in the machine so that it turns into a gas. The gas is then expelled from the system at a very high pressure.

There are two typical quench events. 1. A controlled quench occurs when an MRI machine is being decommissioned and is a planned event. 2. An emergency quench occurs due to an unplanned event, such as an object stuck in the machine.

A quench vent system will operate from room temperature to -452.47ºF.

A quench vent system should not exceed a 17 PSIG pressure drop and 10 PSIG static pressure.

To allow for the extreme thermal contraction that may occur throughout the venting due to the extremely cold nature of the helium gas.

CryoDuct utilizes a prefabricated, non-magnetic 304SS with a critically pressure-rated, bolt-together connection. This ensures an easy-to-install, leak-free system that meets all manufacturers’ MRI quench vent requirements to safely vent your MRI machine. The CryoDuct system provides the ultimate quality in venting, safety and reliable MRI quench vent installation.

CryoDuct is part of the 130+ year-old The Schebler Company, the global leader in fabricating high-quality products, components and sub-assemblies for a wide array of industries and global markets.

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