1/2" Angle Thermostatic Steam TrapTA 1 2 DBC S 1 2" Angle Thermostatic Trap Forged Brass Body Tunstall Corporation produces a complete line of thermostatic radiator steam traps with ratings from 25 HG vacuum to 25 psig. All units are normally open to expel air and water and will close at saturated steam temperature thereby preventing steam from entering into condensate return lines. Product Features Forged brass body, cover, nut and tail piece No need to change piping when replacing