Unidentified Flanged Butterfly Valve / Damper Assembly with Actuator Lever - Used

Application: Unidentified flanged butterfly valve / damper assembly with external actuator lever and wound spring/bellows element around the body. Origin appears to be aircraft or industrial pneumatic service rather than a marine diesel engine; no OEM part number or data plate is visible. A novelty 'Super Bee' decal has been applied and is not a manufacturer marking. Condition: Used, take-off; moves freely, completeness and function unverified. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.