Cast Iron Exhaust Collector Box
Rough cast iron box collecting exhaust from multiple turbine stages in industrial gas turbines, basic machining only. Nonaircraft part under HTS 8411.99.1010.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If radiator castings
Automotive/other castings separate from turbine collectors.
If turboprop specific
Propeller turbine parts distinguished even in rough form.
If filtering equipment housings
Exhaust with integral filtering classifies as filtering machinery.
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Import Tips & Compliance
• Flange faces rough; no gasket surface finish
• Bulk density certs for wall thickness
• Noise abatement markings if applicable
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