| Type | WP(Mpa） | DN(mm） | Medium | Outlet thread | Inlet thread | Safety device | Frame madality |
| QF-15A | 3 | Φ4 | C2H2 | G1/2-14-RH-EXT | PZ39 | 100±5℃ | Needle type |
| QF-15A1 | 3 | Φ4 | C2H2 | G1/2-14-RH-EXT | PZ39 | 100±5℃ | Needle type |
| QF-15A2 | 3 | Φ4 | C2H2 | G5/8-14-LH-EXT | PZ39 | 100±5℃ | Needle type |
| QF-15A5 | 3 | Φ4 | C2H2 | 0.825-14NGO-RH-EXT | PZ39 | NO | Needle type |
| QF-15A13 | 3 | Φ4 | C2H2 | 0.825-14NGO-RH-EXT | PZ39 | 100±5℃ | Needle type |
