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Product drawing

Product dimensions
| DN | L1 | L | H | D | D1 | N-d | N1 |
| 50 | 110 | 142 | 292 | 160 | 125 | 4-19 | 50 |
| 65 | 110 | 151 | 292 | 180 | 145 | 4-19 | 65 |
| 80 | 118 | 151 | 300 | 195 | 160 | 8-19 | 72 |
| 100 | 125 | 151 | 318 | 215 | 180 | 8-19 | 72 |
| 150 | 150 | 181 | 415 | 280 | 240 | 8-23 | 117 |
| 200 | 176 | 218 | 510 | 335 | 295 | 8-23 | 155 |
| 250 | 223 | 256 | 615 | 405 | 355 | 12-23 | 238 |
| 300 | 280 | 317 | 710 | 460 | 410 | 12-23 | 265 |
| 350 | 280 | 317 | 710 | 520 | 470 | 16-23 | 265 |
| 400 | 310 | 380 | 835 | 580 | 525 | 16-28 | 315 |
| 450 | 310 | 380 | 835 | 640 | 585 | 20-28 | 315 |
Technical Documentation
1. Design standard CJ/T 196-2004
2. Flange standard GB/T 17241-2024
3. Testing and Inspection GB/T 13927-2022
Product Parts List
| serial number | name | material | serial number | name | material |
| 1 | valve body | QT450 | 5 | diaphragm | NR |
| 2 | Zhongcang | QT450 | 6 | axis | 2Cr13 |
| 3 | valve cover | QT450 | 7 | valve disc | QT450+NR |
| 4 | Upper and lower pressure plates | stamping plate |
Related Information
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