Armstrong TTF-1 Steam Trap

Armstrong's TTF-1 is a stainless-steel thermostatic steam trap and air vent in the TT Series, designed to remove condensate from steam lines while venting non-condensable gases, and it comes in a 3/4-inch NPT size. This model uses balanced-pressure bellows thermostat technology and a stainless-steel body, and it is offered with straight-thru or right-angle connections, with TT-2000 variants providing 360° universal or IS-2 connector options. The maximum operating temperature for the TTF-1 is 422°F (217°C), per Armstrong catalog data, indicating suitability for high-temperature condensate discharge in heating and process equipment. Catalog listings specifically reference the 3/4″ size as TTF-1-3/4 in product literature and retailer listings.