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    3/4" Ball Float Steam Trap

    Silent 3/4" (DN20) ball float steam trap is designed to remove condensate from steam systems while preventing steam from escaping. Cheap steam trap can discharge water continuously, with stable performance, large capacity and less steam loss.
    SKU: ATO-BFST-20
    30-day Returns
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    Delivery date: 6-12 days

    Cheap 3/4 inch (DN20) steam trap for sale online. ATO free ball float steam trap uses a float to regulate the flow of steam and condensate, typically used in steam systems to remove condensate and other noncondensable gases from the system.


    • Model: ATO-CS41H-16C-DN20
    • Nominal Diameter: DN20 (3/4 inch)
    • Connection Method: Flange
    • Nominal Pressure PN (MPa): 1.6
    • Shell Test Pressure Ps (MPa): 2.4
    • Max Work Pressure PMO (MPa): 1.6
    • Max Work Temperature TMO (℃): 203
    • Vouchsatemement temperature TMO (℃): 425
    • Leakage Rate (%): <0.5
    • Max Stress Rate (%): >80
    • Applicable Medium: Steam and Condensate
    • Weight: 11.2kg
    • Material: Carbon Casting Steel/Stainless Steel


    • Ball float steam traps can drain water continuously and perform in a stable way with a large capacity and less steam loss.
    • The float-type steam trap can saturate the water continuously, which makes less stock of condensation water in the equipment and is quick in heating and stable in heating temperature.
    • It works in a balanced way without noise.

    Dimensions (Unit: mm)

    Ball float steam trap dimension

    DN L D D1 D2 b z-φd H
    20 195 105 75 55 14 4-φ14 200


    The ball float steam trap is used for removing condensate from steam systems, while also preventing the escape of steam from the system. These steam traps are commonly used in industrial settings, such as in steam heating systems or in process piping for industrial applications.

    Steam trap applications

    Tips: What is a ball float steam trap?

    A ball float steam trap is a type of steam trap used in industrial applications to remove condensate (i.e. water) from steam systems. It works by using a ball float mechanism to regulate the flow of condensate and steam through the trap.

    The ball float steam trap typically consists of a body with an inlet for steam and an outlet for condensate. Inside the body, there is a ball float that rises and falls depending on the level of condensate in the trap. When there is a high level of condensate, the ball float rises, and the trap opens to allow the condensate to be discharged. When the condensate level decreases, the ball float drops and the trap closes to prevent the loss of steam.

    Ball float steam traps are commonly used in high-pressure and high-temperature steam systems, where efficient condensate removal is critical to the operation of the system. They are typically more expensive than other types of steam traps, but they are reliable and require very little maintenance.

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