Product dimensions
| DN | D | D2 | D3 | K | H | f×45° | M×N | L | L1 |
| 15 | 15 | 48 | 95 | 65 | 162 | 2 | 4×Ф14 | 131 | 12 |
| 20 | 20 | 57 | 105 | 75 | 169 | 2 | 4×Ф14 | 131 | 12 |
| 25 | 24.5 | 68 | 115 | 85 | 184 | 2 | 4×Ф14 | 140 | 12 |
| 32 | 32 | 81 | 135 | 100 | 192 | 2 | 4×Ф18 | 140 | 14 |
| 40 | 40 | 88 | 145 | 110 | 225 | 2 | 4×Ф18 | 160.6 | 14 |
| 50 | 51 | 103 | 161 | 125 | 230 | 2 | 4×Ф18 | 161 | 14 |
| 65 | 64 | 123 | 180.5 | 145 | 320 | 2 | 4×Ф18 | 180 | 16 |
| 80 | 80 | 134 | 196 | 160 | 359 | 3 | 8×Ф18 | 223 | 18 |
| 100 | 100 | 154 | 217 | 180 | 382 | 3 | 8×Ф18 | 244 | 18 |
Technical Documentation
1. Implement the standard GB/T 12244-2006
2. Structural length standard: GB/T12221-2005
3. Flange standard: GB/T9113.1-2000
4. Test standard: GB/T13927-2022
Product Parts List
| serial number | name | material | serial number | name | material |
| 1 | screw | 304 | 7 | valve body | 304 |
| 2 | nut | 304 | 8 | O-ring | NBR |
| 3 | Upper valve cover | 304 | 9 | Lower valve stem | 304 |
| 4 | spring | 304 | 10 | lower valve cover | 304 |
| 5 | sealing ring | PTFE | 11 | filler | PTFE |
| 6 | Upper valve stem | 304 | - | - | - |
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