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| Model | Nominal Pressure (MPa) |
Shell Test Pressure (MPa) |
Seal Test Pressure (MPa) |
Applicable Temperature (℃) |
Applicable Medium |
| QJ41M/F-16C | 1.6 | 2.4 | 1.8 | -28～+300 (M/F) | diathermic oil, water, vapour, gas, oil, nitrose corrosive medium, acetic acid corrosive medium |
| QJ41M/F-16C | 2.5 | 3.8 | 2.8 | -28～+350 (PPN) |
| Number | Component | Material |
| 1 | Body | ductile iron, carbon steel, stainless steel |
| 2 | Seal ring | (M/F)high strength wear-resistant carbon graphite(temperature≤300℃) (PPN)poly-p-phenylene (temperature≤350℃) |
| 3 | Ball | Stainless steel |
| 4 | Packing | PTFE |
| 5 | Packing gland | QT450－10 ductile iron |
| 6 | Stem | carbon steel, chromium stainless steel |
| 7 | lever | carbon steel |
| Model | Specifications | Size | ||||||
| L | D | D 1 | D 2 | z-φd | H | b | ||
| QJ41M/F-16 | 15 | 130 | 95 | 65 | 45 | 4-14 | 85 | 14 |
| 20 | 150 | 105 | 75 | 55 | 4-14 | 95 | 16 | |
| 25 | 160 | 115 | 85 | 65 | 4-14 | 103 | 16 | |
| 32 | 180 | 135 | 100 | 78 | 4-18 | 105 | 18 | |
| 40 | 200 | 145 | 110 | 85 | 4-18 | 120 | 18 | |
| 50 | 230 | 160 | 125 | 100 | 4-18 | 195 | 20 | |
| 65 | 290 | 180 | 145 | 120 | 4-18 | 195 | 20 | |
| 80 | 310 | 195 | 160 | 135 | 8-18 | 215 | 22 | |
| 100 | 350 | 215 | 180 | 155 | 8-18 | 253 | 24 | |
