Industrial Flanges

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National Hose & Accessory – Industrial Flanges for Reliable Piping Connections

National Hose & Accessory supplies industrial flanges built for secure, leak-free connections in process piping systems across chemical, petroleum, and manufacturing facilities. Made to ANSI/ASME standards, our flanges ensure safety, compatibility, and code compliance for critical service conditions.

Available in carbon steel, stainless steel, and specialty alloys, we offer pressure ratings from 150# to 2500# and sizes from ½-inch instrument ports to 24-inch process flanges. Each product is designed for long-term reliability in Gulf Coast refineries, chemical plants, and industrial complexes where corrosion resistance and strength are essential.

With inventory in Pasadena and distribution across Houston, Beaumont, Corpus Christi, San Antonio, and Victoria, we provide fast access and full assembly components including gaskets and bolting kits.

Value Added Advantage:

ANSI/ASME flanges stocked locally in Houston

Carbon-, stainless-, and alloy-steel options for every pressure class

Expert support for selection, compatibility, and documentation

Same-day service across the Texas Gulf Coast

Choose National Hose & Accessory—your Houston flange supplier for precision, reliability, and compliant piping solutions.