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Flowex Inverted Bucket Steam Trap

The Flowex Inverted Bucket Steam Trap is a high-quality mechanical steam trap designed to remove condensate from saturated steam systems while preventing live steam loss.
Featuring the classic inverted bucket mechanism, this trap provides stable performance, long service life, and excellent resistance to harsh operating conditions.

Flowex offers a full product range from DN15 to DN100, with condensate discharge capacity from 500 kg/h up to 4000 kg/h, suitable for both small steam lines and large-capacity industrial plants.

Key Advantages of the Flowex Inverted Bucket Steam Trap

  • Long service life – robust bucket design + cast iron, carbon steel or stainless steel body
  • Water hammer protection – internal structure minimizes damage during pressure shock
  • Air vent function – automatically removes non-condensable gases
  • Built-in strainer – protects valve seat and prevents clogging
  • Wide model range – threaded or flanged, cast iron / CS / SS options available

Industrial Applications

✔ Industrial boiler systems
✔ Steam pipelines for textile, food, paper, rubber industries
✔ Heat exchangers, steam-heated tanks, process heaters
✔ Drying, sterilization, HVAC, steam processing equipment

Technical Specifications – Flowex Inverted Bucket Steam Trap

Model DN PMX (bar) Tmax (°C) 0.5 bar 1 bar 2 bar 4 bar 6 bar 8 bar 12 bar 17 bar 28 bar
IB81 / 881 (CI threaded) 15–25 17 250 90 160 240 350 420 – – 500 –
IB81F / 881F (CI flanged) 15–25 17 250 90 160 240 350 420 – – 500 –
IB82 / 882 (CI threaded) 20–25 17 250 150 250 400 600 800 – 1000 – –
IB82F / 882F (CI flanged) 20–25 17 250 150 250 400 600 800 – 1000 – –
IB83 / 883 (CI threaded) 25–50 17 250 200 400 700 1100 – 1600 1800 2000 –
IB83F / 883F (CI flanged) 25–50 17 250 200 400 700 1100 – 1600 1800 2000 –
IB84 / 884 (CI threaded) 40–80 17 250 300 600 1000 1800 – 2500 2800 3000 –
IB84F / 884F (CI flanged) 40–80 17 250 300 600 1000 1800 – 2500 2800 3000 –
IB85 / 885 (CI threaded) 40–100 17 250 400 900 1500 2500 – 3500 4000 – 4900
IB85F / 885F (CI flanged) 40–100 17 250 400 900 1500 2500 – 3500 4000 – 4900
IB081 / 881 (CS/SS threaded) 15–25 28 300 100 180 260 380 450 – – 500 –
IB081F / 881F (CS/SS flanged) 15–25 28 300 100 180 260 380 450 – – 500 –
IB082 / 882 (CS/SS threaded) 20–25 28 300 160 260 420 650 850 – 1000 – –
IB082F / 882F (CS/SS flanged) 20–25 28 300 160 260 420 650 850 – 1000 – –
IB083 / 883 (CS/SS threaded) 25–50 28 300 220 420 720 1150 – 1650 1850 2000 –
IB083F / 883F (CS/SS flanged) 25–50 28 300 220 420 720 1150 – 1650 1850 2000 –
IB084 / 884 (CS/SS threaded) 40–80 28 300 320 620 1050 1850 – 2550 2850 3000 –
IB084F / 884F (CS/SS flanged) 40–80 28 300 320 620 1050 1850 – 2550 2850 3000 –
IB085 / 885 (CS/SS threaded) 40–100 28 300 420 950 1600 2600 – 3600 4100 – 5000
IB085F / 885F (CS/SS flanged) 40–100 28 300 420 950 1600 2600 – 3600 4100 – 5000

Conclusion

The Flowex inverted bucket steam trap is a trusted solution for industrial steam systems thanks to its rugged design, high discharge capacity, and long-term durability.
With full model coverage from DN15 to DN100 and up to 5000 kg/h condensate capacity, Flowex meets all system sizes—from compact pipelines to heavy-duty steam plants.

PRINCIPLE DIAGRAM

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Bẫy hơi gầu đảo Flowex
Flowex Inverted Bucket Steam Trap
Bẫy hơi gầu đảo Flowex
Flowex Inverted Bucket Steam Trap

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