CONCENTRIC REDUCERS

PROMANSA supplies carbon steel buttweld concentric reducers manufactured and certified in strict compliance with international standards, codes, and directives, including AE 250 NF A 49-281, ANSI/ASME B16.9, ASME SA 234 Grades WPB, WPC, and WPL6, as well as ASME Section II Part D Table Y-1, ASTM A 234 WPB and WPC, ASTM A 420 WPL6, NACE MR0175 / ISO 15156-1 (hardness requirements), NACE MR0103, and the Pressure Equipment Directive PED 2014/68/EU (formerly 97/23/EC) Annex I Paragraph 7.5. These piping components fully meet all certification requirements under EN 10204 Type 3.1 and ISO 10474 Type 3.1. We maintain an extensive ex-stock inventory with nominal sizes ranging from 1/2″ up to 36″ NPS available for immediate dispatch, and we offer extended sourcing capabilities for large-diameter profiles up to 72″ NPS exclusively on a made-to-order basis.