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The 3M 7100331534 is the Versaflo V-400 Series Supplied Air Low Pressure Valve Assembly, a replacement component for continuous-flow supplied air respirator systems. This valve assembly regulates the delivery of compressed air at low pressure from a connected supply source to the user, maintaining a steady airflow for respiratory protection. It is designed as a serviceable part within the V-400 Series platform, allowing technicians and safety professionals to restore system performance without replacing the entire respirator assembly. The part ships as an individual unit and weighs 1.65 pounds.
This valve assembly is used in industrial environments where supplied air respirators are required, including manufacturing facilities, construction sites, and chemical processing operations. The V-400 Series is a continuous-flow system, making this low pressure valve assembly a critical component for maintaining proper airflow regulation. Safety professionals and industrial hygienists typically source this part for scheduled maintenance or field replacement of worn valve components within an active respirator program.
Designed for use within the 3M Versaflo V-400 Series Supplied Air Respirator System. The V-400 platform is compatible with a range of 3M headgear including hoods, helmets, and certain facepieces. Contact 3M directly for specific compatibility confirmation before ordering.
Installation and replacement of supplied air respirator valve assemblies should be performed by a qualified safety technician or industrial hygienist familiar with OSHA respiratory protection program requirements. Disconnect the compressed air supply line completely before beginning any valve service. Verify the replacement assembly is properly seated and all connections are leak-free before returning the respirator to service. Always perform a system function check after servicing to confirm correct airflow delivery.
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