

DS series steam separators for removing entrained water from steam lines and improving downstream steam quality.
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 |
|---|---|---|---|---|---|
| AO-2 | Air Separator, Bronze, 1.0 MPa | Cold and hot water | 1.0 MPa 120°C | — | JIS Rc screwed; 20A: Rc 3/4, 120mm length, 1.1 kg; 25A: Rc 1, 140mm length, 1.2 kg; 32A: Rc 1-1/4, 155mm length, 2.0 kg; 40A: Rc 1-1/2, 205mm length, 3.6 kg; 50A: Rc 2, 205mm length, 3.8 kg |
| DS-1 | Steam and Air Drain Separator | Steam, Air | 2.0 MPa (Less than 1.0 MPa for air) 220°C | Ductile cast iron | JIS Rc screwed; 15A-50A, JIS Rc screwed |
| DS-10 | DS-10F Stainless Steel Baffle-Type Drain Separators | Steam, Air, Hydrogen (consult), Non-hazardous gases | 2.0 MPa (Steam); 1.0 MPa (Air/Gas/JIS 10K FF) 220°C | Stainless Steel (SUS316 equivalent) | Threaded (Rc, NPT), Flanged (JIS 10K FF, EN PN25 RF); Threaded (Rc/NPT), 15A-50A |
| DS-10F | Drain Separator Flanged Stainless Steel | Steam, air and other non-hazardous gases | 2.0 MPa (Steam), 1.0 MPa (Air/Gas) 220°C | Stainless steel | JIS 10K FF, EN PN25 RF; Flanged connection (JIS 10K FF, EN PN25 RF), 15A-65A |
| DS-2 | Drain Separator for Steam and Air | Steam, Air | 2.0 MPa (Air: 1.0 MPa or less) 220°C | Ductile cast iron | JIS 10K/20K FF flanged; JIS Flanged, 15A-150A |
Yoshitake separators remove entrained moisture from steam and air lines to improve downstream equipment performance. Selection depends on medium, pressure-temperature envelope, required separation performance, line size, drain arrangement, and the trap or drain device used to remove collected liquid.
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.









