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Flowex Ball Float Steam Trap

The Flowex Ball Float Steam Trap is a key component in steam systems, designed to continuously discharge condensate while retaining dry steam, improving heat transfer efficiency and reducing energy losses.

Using a float-operated discharge valve, the trap responds instantly to condensate level changes, ensuring stable operation even under fluctuating loads. This makes it suitable for a wide range of industrial applications.

Industrial Applications

✔ Industrial boilers and steam distribution lines
✔ Heating equipment, storage tanks, drying systems
✔ Textile, paper, chemical, and food processing plants
✔ Systems that require continuous high-capacity condensate discharge

Key Advantages

  • Continuous condensate removal – prevents water hammer & efficiency loss
  • Wide size range: DN15 to DN200
  • Multiple pressure classes: 4.5 bar, 10 bar, 14 bar, 32 bar, 45 bar, 65 bar
  • Long lifespan – available in cast iron, carbon steel or stainless steel
  • Built-in air vent – removes non-condensable gases for better heat transfer
  • Stable performance under varying load conditions

Technical Specifications – Flowex Ball Float Steam Trap

To make selection easier, the models are grouped by pressure rating.

1. PN16 Group (FT14, FT41 – Cast Iron / Low Pressure)

Model Size (DN) PMX (bar) Tmax (°C) ΔP=0.1 0.2 0.3 0.5 1 2 3 4.5
FT14 15–25 4.5 250 90 160 220 300 480 650 780 900
FT14 15–25 10 250 85 155 215 290 470 640 770 –
FT14 15–25 14 250 80 150 210 280 460 620 750 –
FT41 15–25 14 250 95 165 230 310 490 660 800 –

2. PN25/40 Group (FT42, FT43, FT44 – Steel, Stainless Steel, Ductile Iron)

Model Size (DN) PMX (bar) Tmax (°C) 0.1 0.2 0.3 0.5 1 2 3 4.5 6 8 10 14 32
FT42 15–25 4.5 350 110 190 270 350 600 950 1300 1600 – – – – –
FT42 15–25 10 350 100 180 260 340 580 920 1280 – – – – – –
FT42 15–25 14 350 95 175 250 330 570 900 1260 – – – – – –
FT42 15–25 32 350 90 170 240 320 560 880 1200 1600 2000 2300 2500 3000 3200
FT43 32–50 32 400 120 200 300 420 700 1200 1600 2100 2600 3000 3400 3800 4000
FT44 32–200 32 400 150 250 350 500 800 1400 2000 2800 3500 4200 5000 6000 12000

3. High Pressure PN64 / PN100 Group (GFT441, GFT442)

Model DN PMX (bar) Tmax (°C) 0.1 0.5 1 2 3 4.5 6 8 10 14 32 45 65
GFT441 40–80 32 400 200 800 1500 2800 4000 6000 7500 9000 11000 15000 20000 – –
GFT441 40–80 45 400 210 850 1600 2900 4200 6200 7800 9400 12000 16000 21000 22000 –
GFT442 40–80 65 400 220 900 1700 3000 4500 6500 8200 10000 13000 18000 22000 24000 26000

Conclusion

The Flowex ball float steam trap provides reliable continuous condensate discharge, keeps steam lines dry, and reduces energy loss across all pressure levels—from low-pressure PN16 to ultra-high-pressure PN100.

Users can select the correct model based on ΔP (differential pressure) and required condensate flow rate.

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