Thermodynamic Steam Trap...Bimetal Ring
Model comparison
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 |
|---|---|---|---|---|---|
| TD-10NA | Thermodynamic Steam Trap | — | 0.035 - 2.0 MPa (TD-10NA / TD-30NA 20K) 220°C | Ductile Cast Iron (FCD450) | JIS Rc screwed connection, 0.035-2.0 MPa |
| TD-30NA | TD-10NA Thermodynamic Steam Traps | Steam condensate | 0.035 - 2.0 MPa 220°C | Ductile cast iron (FCD450) | JIS 10K FF / 20K FF flanged connection |
| TSD-42 | Steam Trap 4.2MPa 425°C | Steam condensate | 0.035-4.2 MPa 425°C | Stainless steel (SCS2A) | JIS Rc, NPT, BSPT screwed / JIS, ANSI, PN flanged; JIS Rc, NPT, BSPT screwed connection (10-25A) |
| TSD-42F | TSD-42 Thermodynamic Steam Traps | Steam condensate | 0.035 - 4.2 MPa 425°C | Stainless steel (SCS2A) | JIS Rc, NPT, BSPT screwed (TSD-42) / Flanged (TSD-42F); Flanged connection, 15A-25A |
| TSD-46 | Thermodynamic Steam Trap 4.6MPa | — | 0.05 - 4.6 MPa 425°C | — | Socket weld (ASME); 15A: 15A Socket weld; 20A: 20A Socket weld; 25A: 25A Socket weld |
| TSD-46 15A | — | — | 0.05 - 4.6 MPa 425°C | — | Socket weld (ASME); with Blowdown Valve: 15A Socket weld, with Blowdown Valve |
| TSD-46 20A | — | — | 0.05 - 4.6 MPa 425°C | — | Socket weld (ASME); with Blowdown Valve: 20A Socket weld, with Blowdown Valve |
| TSD-46 25A | — | — | 0.05 - 4.6 MPa 425°C | — | Socket weld (ASME); with Blowdown Valve: 25A Socket weld, with Blowdown Valve |
| TSD-7 | TSD-7F Disc Type Steam Trap with Bypass | Steam condensate | 0.035 - 1.0 MPa 183℃ | Ductile cast iron (FCD450) | JIS Rc screwed connection |
| TSD-7F | Disc Type Steam Trap with Bypass | Steam condensate | 0.035-1.0 MPa 183°C | FCD450 Ductile cast iron | JIS 10K FF flanged (TSD-7F) / JIS Rc screwed (TSD-7); JIS 10K FF flanged |
Process scope
Yoshitake thermodynamic steam traps use a disc-type operating principle for steam-condensate discharge. The local models differ in allowable pressure range, temperature, connection, and special features such as bypass. Final selection requires capacity sizing at actual differential pressure and a check of back pressure and environmental exposure.
Project-specific checks
- Size for running and start-up condensate load at the available differential pressure.
- Confirm steam pressure, maximum back pressure, temperature, connection, and discharge routing.
- Evaluate ambient heat loss, freeze exposure, dirt protection, and noise/flash-steam handling.
- Review bypass policy, testing access, and maintenance isolation before choosing a bypass-equipped model.
Final verification
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.
Available models
Open a model page for specifications, connection options and technical documents.
Thermodynamic Steam Trap...Bimetal Air Vent
TD-30NA, TD-10NA Thermodynamic Steam Traps
Thermodynamic Steam Trap...Max 4.2 MPa
TSD-42 Steam Trap 4.2MPa 425°C
Thermodynamic Steam Trap...Max. 4.2 MPa
TSD-42F / TSD-42 Thermodynamic Steam Traps
Thermodynamic Steam Trap...Max Pressure 4.6 M...
TSD-46 Thermodynamic Steam Trap 4.6MPa
Thermodynamic Steam Trap...Built-in Bypass
TSD-7 / TSD-7F Disc Type Steam Trap with Bypass
Thermodynamic Steam Trap...Built-in Bypass