 
                                Acetylene Standards series valve for Cylinder
Specification
| No. | Type | Product | Medium | Working pressure | 公称通径 | Outlet Thread | Inlet Thread | 安全装置温度压力 | 
|  |  |  |  | wp/(Mpa) | DN (mm) |  |  | Mpa | 
| 1 | QF-15A | Acetylene Cylinder Valve | C2H2 | 3 | 4 | G5/8-LH |  | NO | 
| 2 | QF-15A2E | Acetylene Cylinder Valve | C2H2 | 3 | 4 |  | GB8335 PZ39 | 100℃±5 | 
| 3 | QF-15A3 | Acetylene Cylinder Valve | C2H2 | 3 | 4 | G5/8-LH(Female) | GB8335 PZ39 | 100℃±5 | 
| 4 | YF-3 | Acetylene Cylinder Valve | C2H2 | 3 | 3 | G5/8-LH | GB8335 PZ39 | NO | 
| 5 | PF5-1 | Neddle type Cylinder Valve | C2H2 | 3 | 3 | G1/2 | GB8335 PZ39 | NO | 
| 6 | CGA300(QF-70) | Acetylene Cylinder Valve | C2H2 | 3 | 4 | CGA300 | 3/8-18-NGT | NO | 
| 7 | LN500 | Hypothermia Valve | NI | 3 | 4 | CGA300 | 3/4-14-NGT | NO | 
| 8 | QF-17 | Flapper Type Valve | CO2 | 12.5 | 4 | CGA320 | UNF1.125-12 | 15-18.75 | 
| 9 | CGA580A | Flapper Type Valve | Ar2 | 20 | 3 | (Inlet)CGA580 | 3/4-14-NGT | 28±2 | 
| 10 | PX-32A | Jointed Type Valve | Ar2 | 15 | 4 | G5/8 | GB8335 PZ27.8 | NO | 
| 11 | QF-13A | Shaft Type Valve | Freon | 12.5 | 8 | G3/4 | GB8335 PZ27.8 | NO | 
| 12 | GJB-1 | Acetylene Pipe Close Valve | C2H2 | 2.5 | 5 | M16*1.5 | M22*1.5 | NO | 
| 13 | BWF-1 | Propane Cylinder Valve | LPG | 2.2 | 7 | (Inlet)M22*1.5-LH | GB8335 PZ27.8 | 2.5-3 | 
| 14 | QF-10 | Needle type Valve | CI | 2 | 6 | G3/4 | GB8335 PZ27.8 | NO | 
| 15 | QF-13 | Needle type Valve | Freon | 3 | 6 | G3/4 | GB8335 PZ27.8 | NO | 
| 16 | QJT150-4 | Through Close Valve | O2, H2, N2, Air | 15 | 4 | G5/8 | G1/2(Female) | NO | 
| 17 | QJT150-4 | Through Close Valve | O2, H2, N2, Air | 15 | 4 | G3/4 | G1/2 | NO | 
| 18 | QF-2A5 | Through Close Valve |  |  |  |  |  |  | 
| 19 | QJT200-8 | Through Close Valve | O2, H2, N2, Air | 20 | 8 | M33*2(Female) | M33*2(Female) | NO |