| Model | SL-37 | SL-38 | SL-37D SL-37DN | SL-38D SL-38DN |
| Cap type (Closed type) | with lever | without lever | with lever | without lever |
| Size | 15 - 50 | |||
| Applicable fluid | Steam, air, gases and liquids | Air, gases and liquids | ||
| Applicable temperature | Max. 150 Deg.C (225 Deg.C) | Max. 225 Deg.C | Max. 120 Deg.C | |
| Applicable pressure | 0.05 - 1.0MPa | |||
| Materials | Spring case : Cast bronze Disc & Seat ring : Stainless steel | |||
| End connection | Screwed JIS Rc | |||