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 GP-2000 external pilot operated NPT pressure reducing valve. 1/2" D25469, 3 - 21 PSIG, 1/2" D25470 15 - 200 PSIG. 3/4" D25472 3 - 21 PSIG, 3/4" D25473 15 - 200 PSIG. 1" D25474 1.5 - 3 PSIG, 1" D25475 3 - 21 PSIG, 1" D25476 15 - 200 PSIG. 1-1/4" D25540 3 - 21 PSIG, 1-1/4" D25541 15 - 200 PSIG. 1-1/2" D25542 1.5 - 3 PSIG, 1-1/2" D25543 3 - 21 PSIG, 1-1/2" D25544 15 - 200 PSIG. 2" D25546 1.5 - 3 PSIG, 2" D25547 3 - 21 PSIG, 2" D25548 15 - 200 PSIG.

Armstrong Series GP-2000 Full Port NPT Steam Pressure Regulating Main Valve

Regular price $1,502.00
Armstrong International GP-2000 Flanged Pressure Regulating Valve. 1" 150# Flanged D25591 3 - 21 PSIG, D25592 15 - 200 PSIG. 1-1/4" 150# Flanged D25593 3 - 21 PSIG, D25594 15 - 200 PSIG. 1-1/2" 150# Flanged D25595 3 - 21 PSIG, D25596 15 - 200 PSIG. 2" 150# Flanged D25550 3 - 21 PSIG, D25551 15 - 200 PSIG. 2" 300# Flanged D25553 3 - 21 PSIG, D25554 15 - 200 PSIG. 2-1/2" 150# Flanged D25555 1.5 - 3 PSIG, D25556 3 - 21 PSIG, D25557 15 - 200 PSIG. 2-1/2" 300# Flanged D25559 3 - 21 PSIG, D25560 15 - 200 PSIG.

Armstrong Series GP-2000 Full Port Flanged Steam Pressure Regulating Main Valve

Regular price $1,845.00