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| NO | Type No | Product Name | Suitable | PN(mm) | DN(mm) | Outlet Tread(mm) | Joint Tread to | Temp./Pressure of |
| Medium | Cylinder(mm) | Safety Device(Mpa) | ||||||
| 1 | QF2 | Movable Flap Type | O2,Air,N2 | 15 | 4 | G5/8 | GB8335 PZ27.8 | 21±1.5 |
| Valve for O2 | ||||||||
| 2 | QF-6A | Movable Flap Type | O2,Air,N2 | 15 | 4 | Female ThreadG5/8 | GB8335 PZ27.8 | / |
| Valve for O2 | ||||||||
| 3 | QF-35D | Shaft Coupling Type | O2,Air,N2 | 15 | 2 | G5/8 | M25X2 | 21±1.5 |
| Cylinder Valve for O2 | ||||||||
| 4 | QF-21A | Diaphragm Type Cylinder | O2,Air,N2 | 15 | 2 | W21.8X1/14 | GB8335 PZ19.2 | / |
| QF-011 | Valve for O2 |
valves for O2 cylinder