Equipped with a scale removal mechanism, maintenance is a breeze! An energy-efficient trap.
★2023 Fiscal Year Invention Award - Japan Invention Promotion Association President's Award★ The temperature-controlled steam trap is a trap that utilizes the temperature difference between the steam and condensate flowing into it to open and close the valve. 【Features】 1. No steam leakage! It ensures reliable separation of steam and water, preventing the loss of live steam and significantly reducing energy loss. This energy-efficient design also contributes to fuel cost savings. 2. A wide range of pressure options! Miyawaki's temperature-controlled traps are available in a low to high-pressure series ranging from 0.6 MPa to 20.0 MPa. Please feel free to contact us for more details! 3. Easy maintenance! Even while venting, you can remove scale by turning the handle. This allows you to avoid stopping the line, greatly reducing work time!
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basic information
Nominal diameter: 15A/20A/25A Maximum operating pressure: 2.1MPa Maximum operating temperature: 230℃ Body material: Carbon steel (A105) Connection: Threaded/Flanged/Socket
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Applications/Examples of results
Steam transport pipe, trace line, etc.
Detailed information
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This is the emission flow diagram for TB7N. Δt refers to the difference between the starting temperature of the temperature control trap and the condensate temperature. It indicates that at the beginning of ventilation, the temperature difference (Δt) is large, and the flow rate also increases.
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This is the dimension diagram for TB7N. The face-to-face distance for 15A is 70mm, for 20/25A it is 80mm, and for the flange type, it is all 14mm.
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This is the discharge flow diagram for TB9N. Δt refers to the difference between the starting temperature of the temperature control trap and the condensate temperature. The beginning of ventilation shows that the temperature difference (Δt) is large, indicating an increase in flow rate.
Line up（2）
| Model number | overview |
|---|---|
| TB7N-SR | The nominal diameters are 15/20/25A. The maximum operating pressure is 2.1 MPa, and the maximum operating temperature is 230°C. |
| TB9N-SR | The nominal diameters are 15/20/25A. The maximum operating pressure is 1.6 MPa, and the maximum operating temperature is 230°C. |
catalog（3）
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Company information
Miyawaki is a specialized manufacturer of steam system products with over 90 years of history. Our product lineup includes steam traps, steam water heaters, and fluid control equipment, widely adopted in industries such as oil refining, chemical plants, and food processing. With decades of technical expertise and proven experience, we support the development of efficient and safe steam systems. From standard products to custom specifications, we offer flexible solutions tailored to existing installations. Delivering trusted quality and service to customers worldwide—feel free to contact us anytime.
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