The Armstrong International A and AI Series Float and Thermostatic Steam Trap is for industrial service from 0 to 175 psig and feature a balanced pressure phosphor-bronze type bellows caged in stainless steel. Armstrong A & AI Series F&T traps are designed for service on heat exchange equipment where there is a need to vent air and non-condensable gases quickly.
The AI series traps features the convenience of in-line connections with the same rugged internals found in the A Series.
