For pressures to 175 psig (12 bar) Steam Traps. . .

Capacities to 8,600 lb/hr (3900 kg/hr)

Armstrong A & AI Series F&T traps are for industrial service from 0 to 175 psig (12 bar) 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 F&T traps feature the convenience of in-line connections with the same rugged internals found in the A Series.

link:http://www.armstronginternational.com/steam-traps-float-thermostatic-a-series-cast-iron