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Cast Iron / Cast Steel Horizontal Ball Float Steam Traps

Cast Iron / Cast Steel Horizontal Ball Float Steam Traps

The Horizontal Ball Float Steam Trap is the industry’s most reliable solution for continuous condensate discharge in heat exchange applications. Unlike intermittent traps, the ball float mechanism responds instinctively to the level of condensate within the trap body. As condensate enters, the stainless steel float rises, opening the valve to discharge liquid immediately, ensuring maximum thermal efficiency and preventing waterlogging.

Available in Cast Iron for low-to-medium pressure utilities and Cast Steel for high-pressure industrial processes, these traps are engineered for "process" applications where rapid heat transfer is critical.

Key Features & Benefits:-
  • Continuous Discharge: Unlike thermodynamic traps that cycle on and off, the ball float trap discharges condensate as soon as it forms. This ensures a constant, stable temperature in heat exchangers and reactors.
  • Integrated Thermostatic Air Vent: Equipped with a high-quality stainless steel air vent that automatically discharges air and non-condensable gases during startup, preventing "air binding" and ensuring rapid system warm-up.
  • High Cold-Water Capacity: The large orifice and float buoyancy allow for massive condensate handling during cold startups, significantly reducing system lag time.
  • Steam-Lock Release (Optional): Available with a steam-lock release (SLR) mechanism to prevent the trap from being "locked" by steam bubbles in specific piping configurations.
  • In-Line Maintenance: The horizontal design allows for internal components (float, lever, and valve seat) to be inspected or replaced without removing the trap body from the pipeline.
  • Robust Sealing: Features a precision-lapped stainless steel valve and seat to provide a tight shut-off against live steam loss.


Technical Specifications:-

Feature Cast Iron (CI / FG260) Cast Steel (WCB / A216)
Max Operating Pressure Up to 13 Bar (188 PSI) Up to 32 Bar (465 PSI)
Max Temperature Up to 220°C (428°F) Up to 400°C (750°F)
Size Range 1/2" to 2" (DN15 – DN50) 1/2" to 2" (DN15 – DN50)
Internal Components Stainless Steel (SS 304 / 316) Stainless Steel (SS 304 / 316)
End Connections Screwed (NPT/BSP) / Flanged Flanged (ANSI 150/300) / Socket Weld


Target Industrial Applications:-

Horizontal Ball Float Traps are the "gold standard" for process heating:

  • Heat Exchangers & Calorifiers: Maintaining consistent heat transfer by ensuring the steam space is always free of condensate.
  • Jacketed Vessels & Kettles: Ideal for food processing and chemical reactors requiring precise temperature control.
  • Unit Heaters & Air Battery Coils: Preventing water hammer and uneven heating in large-scale HVAC systems.
  • Laundry Ironers & Drying Cylinders: Managing high condensate loads in textile and commercial laundry facilities.
  • Pharmaceutical Autoclaves: Ensuring dry, high-quality steam for sensitive sterilization processes.


Why Choose Ball Float over Inverted Bucket Traps?

While inverted bucket traps are rugged, they can lose their "prime" and blow live steam if pressure drops suddenly. The Horizontal Ball Float Steam Trap is immune to this issue. Because it is float-operated, it provides a modulating discharge that perfectly matches the condensation rate of the equipment. If your process requires steady, high-efficiency heat transfer without fluctuations, the ball float design is the superior choice.