

TF and TSF series float steam traps for continuous condensate drainage in steam systems.
Compare only the points that determine the choice: function or construction, applicable medium, operating range, body material, and connection or nominal size. Open the model page to confirm the full specification.
| Model | Key selection point | Medium | Operating range | Body material | Connection / size |
|---|---|---|---|---|---|
| TF-1 | Float Steam Trap, JIS 10K RF Flanged | Steam condensate | 0.01-0.3 MPa 150℃ | Ductile cast iron | JIS 10K RF flanged; 65A: L: 680mm, H: 530mm, Weight: 84kg; 80A: L: 680mm, H: 530mm, Weight: 84kg |
| TF-2 | Float Steam Trap for Steam Condensate | — | 0.01-0.7 MPa 170℃ | Ductile cast iron | JIS Rc screwed; 0.01-0.7 MPa, 170℃, JIS Rc screwed |
| TSF-10 | Float Steam Trap | Steam condensate | 220℃ | Ductile cast iron | 15A-25A, JIS Rc screwed / NPT screwed; -5: Working pressure 0.01-0.5 MPa; -10: Working pressure 0.01-1.0 MPa; -21: Working pressure 0.01-2.1 MPa |
| TSF-10F | Float Steam Trap, Flanged, 2.1 MPa | Steam condensate | 0.01-2.1 MPa 220°C | Ductile cast iron | Flanged; Flanged connection, 15A-25A |
| TSF-11 | Float Steam Trap | Steam condensate | 0.01-2.1 MPa 220°C | Ductile cast iron | JIS Rc screwed, NPT screwed (TSF-11) / JIS 10K FF, JIS 20K FF flanged, ASME150/300, ENPN25 (TSF-11F); -5: 0.01-0.5 MPa, Screwed; -10: 0.01-1.0 MPa, Screwed; -21: 0.01-2.1 MPa, Screwed |
| TSF-11F | Float Steam Trap | Steam condensate | 0.01-2.1 MPa 220℃ | Ductile cast iron | JIS 10K FF, JIS 20K FF; -5: Working pressure 0.01-0.5 MPa; -10: Working pressure 0.01-1.0 MPa; -21: Working pressure 0.01-2.1 MPa |
| TSF-10CF | Float Steam Trap | — | 0.01~0.5 MPa | — | -5: 0.01~0.5 MPa; -10: 0.01~1.0 MPa |
| TSF-10S | Float Steam Trap | Steam condensate | 0.01 - 2.1 MPa 220°C | Cast stainless steel (SCS13A) | JIS Rc, NPT, Flanged; 15A-25A, Screwed connection |
| TSF-10SF | Float Steam Trap | Steam condensate | 0.01 - 2.1 MPa (depending on model) 220°C | Cast stainless steel | JIS 10K FF, JIS 20K RF, ASME Class 150/300, EN PN25/40 flanged; -5: 0.01 - 0.5 MPa working pressure; -10: 0.01 - 1.0 MPa working pressure; -21: 0.01 - 2.1 MPa working pressure |
| TSF-11S | Float Steam Trap, Cast Stainless Steel | Steam condensate | 220°C | Cast stainless steel | 25A-50A, JIS Rc / NPT screwed |
| TSF-11SF | Float Steam Trap - Stainless Steel | Steam condensate | 0.01 - 2.1 MPa 220°C | Cast stainless steel | Flanged (JIS 10K, JIS 20K, ASME 150lb, ASME 300lb, BS EN 25/40); -5: 0.01 - 0.5 MPa; -10: 0.01 - 1.0 MPa; -21: 0.01 - 2.1 MPa |
| TSF-11F-5 | — | Steam condensate | 0.01-2.1 MPa 220°C | Ductile cast iron | JIS Rc screwed, NPT screwed (TSF-11) / JIS 10K FF, JIS 20K FF flanged, ASME150/300, ENPN25 (TSF-11F); 0.01-0.5 MPa, Flanged |
| TSF-11F-10 | — | Steam condensate | 0.01-2.1 MPa 220°C | Ductile cast iron | JIS Rc screwed, NPT screwed (TSF-11) / JIS 10K FF, JIS 20K FF flanged, ASME150/300, ENPN25 (TSF-11F); 0.01-1.0 MPa, Flanged |
| TSF-11F-21 | — | Steam condensate | 0.01-2.1 MPa 220°C | Ductile cast iron | JIS Rc screwed, NPT screwed (TSF-11) / JIS 10K FF, JIS 20K FF flanged, ASME150/300, ENPN25 (TSF-11F); 0.01-2.1 MPa, Flanged |
| TSF-12 | Float Steam Trap, Stainless Steel Internals, High Capacity | Steam condensate | 230℃ | Ductile cast iron | JIS Rc screwed / NPT screwed; -1: 0.01-0.1 MPa; -2: 0.01-0.2 MPa; -5: 0.01-0.5 MPa; -9: 0.01-0.9 MPa; -12: 0.01-1.2 MPa; -17: 0.01-1.7 MPa |
| TSF-13 | Float Steam Trap | Steam Condensate | 1.0 MPa to 3.2 MPa (depending on model) 220°C (TSF-13/13F) / 240°C (TSF-13CF) | Ductile Cast Iron / Cast Steel (WCB) | Ductile cast iron, JIS Rc / NPT screwed, Max 1.6 MPa |
| TSF-13F | TSF-13, Float Steam Traps | Steam Condensate | — | — | JIS 10KRF/20KRF; 40A, 50A |
| TSF-13CF | Float Steam Trap | Double-Port Large Capacity | Steam condensate | 1.0 MPa, 1.6 MPa, 3.2 MPa 240℃ | Cast carbon steel | ASME 150 LB, ASME 300 LB, EN PN25/40, JIS 30K RF; -5: Maximum working differential pressure 0.5 MPa; -10: Maximum working differential pressure 1.0 MPa; -32: Maximum working differential pressure 3.2 MPa |
| TSF-8 | Float Steam Trap | Steam condensate | 220℃ | Ductile cast iron | -5: 0.01-0.5 MPa working pressure range; -10: 0.01-1.0 MPa working pressure range; -21: 0.01-2.1 MPa working pressure range |
| TSF-8F-5 | — | Steam condensate | 220℃ | Ductile cast iron | 0.01-0.5 MPa working pressure range, Flanged |
| TSF-8F-10 | — | Steam condensate | 220℃ | Ductile cast iron | 0.01-1.0 MPa working pressure range, Flanged |
| TSF-8F-21 | — | Steam condensate | 220℃ | Ductile cast iron | 0.01-2.1 MPa working pressure range, Flanged |
| TSF-8-5 / TSF-8F-5 | — | Steam condensate | 220°C | Ductile cast iron | Working pressure: 0.01-0.5 MPa |
| TSF-8-10 / TSF-8F-10 | — | Steam condensate | 220°C | Ductile cast iron | Working pressure: 0.01-1.0 MPa |
Yoshitake float steam traps discharge condensate continuously under steam pressure and several local models include thermostatic air venting. The deciding variables are condensate load at differential pressure, start-up air removal, connection, installation direction, and the required pressure range.
This guide groups local Yoshitake catalogue pages for preliminary engineering review. The model-specific Yoshitake documentation, sizing calculation, materials confirmation, and applicable site requirements control the final order and installation decision.
Open a model page for specifications, connection options and technical documents.


































