Float & Thermostatic Steam Traps

B Series Float & Thermostatic Steam Traps
A Series Float & Thermostatic Steam Traps
AIC Series Float & Thermostatic Steam Trap
JD/KD Series Float & Thermostatic Steam Traps
LS/MS Series Float & Thermostatic Steam Traps
ICS Series Float & Thermostatic Steam Traps
L/M Series Float & Thermostatic Steam Traps
FT Series Float & Thermostatic Steam Traps
FF-4000 Series Float and Thermostatic Steam Trap with freely floating ball
FF-4700/4900 High Pressure Float and Thermostatic Steam Trap with Freely Floating Ball
Float & Thermostatic Replacement Cap Assembly

FF-4000 Series Float and Thermostatic Steam Trap with freely floating ball

All stainless steel with universal connector

For pressures to 250 psig (17 barg) . . .
Capacities to 1 050 lb/hr (476 kg/hr)

With the FF-4000 Series’ 360° universal connector, you can install the float and thermostatic trap to fit any piping configuration.  You get the reliability of the freely floating ball and thermostatic design plus all the benefits of all-stainless steel construction.

  • A sealed, tamperproof package
  • A compact, lightweight trap
  • Exceptional corrosion resistance
  • A three-year guarantee against defective materials and  workmanship


FF-4000 Series Float and Thermostatic steam traps combine savings in three important areas: energy, installation and replacement.  Mounting the FF-4000 on universal connectors provide quick and easy in-line replacement.

Maximum Operating Conditions

Maximum allowable pressure (vessel design):

Model FF-4250 300 psig @ 650°F (20.7 bar @ 343°C)

Model FF-4450 600 psig @ 800°F (41.4 bar @ 427°C)