ARMSTRONG INTERNATIONAL Steam Trap: Cast Iron, 3/4 in FNPT, 1,800 lb/hr, 75 psi Max., 377°F Max.
The ARMSTRONG INTERNATIONAL 75AI3 is a Cast Iron In-line Float & Thermostatic Steam Trap with a 3/4 in FNPT connection, rated for 1,800 lb/hr capacity, 75 psi maximum pressure, and 377°F maximum temperature. It…
SKU 3G-OTH-72954
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Product Description
The ARMSTRONG INTERNATIONAL 75AI3 is a Cast Iron In-line Float & Thermostatic Steam Trap with a 3/4 in FNPT connection, rated for 1,800 lb/hr capacity, 75 psi maximum pressure, and 377°F maximum temperature. It features a stainless steel float and is designed for horizontal installation.
Frequently Asked Questions
What is the ARMSTRONG INTERNATIONAL 75AI3 steam trap used for?
The ARMSTRONG INTERNATIONAL 75AI3 is a cast iron in-line float and thermostatic steam trap used to automatically drain condensate from steam lines while preventing steam loss. It is commonly applied in industrial heating systems, process steam mains, and heat exchangers where reliable condensate removal is critical.
What are the specifications of the ARMSTRONG INTERNATIONAL 75AI3?
The 75AI3 has a 3/4 in FNPT connection, a maximum capacity of 1,800 lb/hr, a maximum pressure of 75 psi, and a maximum temperature of 377°F. It features a stainless steel float, is designed for horizontal installation, and is part of the AI series from ARMSTRONG INTERNATIONAL.
Where to buy the ARMSTRONG INTERNATIONAL 75AI3 worldwide?
3G Electric supplies the ARMSTRONG INTERNATIONAL 75AI3 steam trap worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this cast iron float and thermostatic steam trap.
How to install the ARMSTRONG INTERNATIONAL 75AI3 steam trap?
Install the 75AI3 in a horizontal orientation with the inlet and outlet aligned with the pipe. Ensure the trap is positioned below the steam line to allow gravity drainage. Use pipe supports to avoid stress on the connections. Always follow ARMSTRONG INTERNATIONAL's generic installation guidelines for float and thermostatic traps.
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3G Electric supplies ARMSTRONG INTERNATIONAL cast iron in-line float & thermostatic steam traps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.












