Design and Construction Features that Support Rotary Valve Compliance

This rotary valves product bulletin presents the many design characteristics and construction specifications inherent in ACS Valves rotary valves, feeders, and airlocks that ensure these products are manufactured in accordance with National Fire Protection Association (NFPA) standards. ACS Valves product features include: .004-inch rotor clearance to the housing bore and endplates; 2-vanes per-side of housing positioned at a minimum .004-inch rotor clearance; standard 3/8 inch rotor blade thickness; and adjustable, replaceable steel rotor tips to maintain explosion prevention function. Details regarding ACS Valves rotary valve design relative to explosion protection by deflagration venting, explosion prevention, and standards for pulverized fuel systems are presented in this bulletin.

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