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Manways & Fill Hole Covers

AAR-approved manway assemblies and fill-hole covers.

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UHMW polyethylene railcar & tank-trailer fittings for hazardous and petrochemical transport.

9320 CR 420
Navasota, TX 77868
(936) 298-7171
info@polypetrochem.com

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Blind Flanges
Eduction Pipes
Manways & Fill Hole Covers
Flanges
Camlocks & Couplings
Spools, Tees & Connections
Accessories

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AAR-approved parts
DOT SP-21812
Patent US 9,470,348
Made in Navasota, TX

© 2026 PolyPetroChem Industries, Inc.

AAR Approved·DOT SP-21812·Patent US 9,470,348

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