Armstrong International

Founded in 1900, Armstrong International is a private, fifth-generation family-owned company. Throughout The Great Depression, two world wars, multiple recessions, and so much more, we have continued to evolve, expand and thrive. Today, Armstrong's global enterprise has more than 3,000 employees and representatives serving the world.

Armstrong products consistently deliver best-in-class quality, longevity and value. More than a century of in-depth knowledge and experience enables Armstrong to manage your steam and condensate requirements better than anyone in the world. Armstrong provides reliable, hardworking products that trap steam, and much more. 


Armstrong International series 881 inverted bucket steam trap with thermic vent and internal check valve. 1/2" D501381TCV 15 PSIG, 1/2" D501164TCV 30 PSIG, 1/2" C5297-68TCV 70 PSIG, 1/2" C5297-50TCV 125 PSIG, C5297-51TCV 200 PSIG, C5297-52TCV 250 PSIG.

Armstrong 881 Inverted Bucket Steam Trap

Regular price $310.00