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Product drawing

Product dimensions
| 4.0MPa | DN | L | D | D1 | D2 | D6 | b | n-Φd | H | D0 |
| PN40 | 10 | 130 | 90 | 60 | 41 | 35 | 14 | 4-Φ14 | 198 | 120 |
| 15 | 130 | 95 | 65 | 45 | 40 | 16 | 4-Φ14 | 233 | 120 | |
| 20 | 150 | 105 | 75 | 55 | 51 | 16 | 4-Φ14 | 295 | 140 | |
| 25 | 160 | 115 | 85 | 65 | 58 | 16 | 4-Φ14 | 285 | 160 | |
| 32 | 180 | 135 | 100 | 78 | 66 | 18 | 4-Φ18 | 302 | 160 | |
| 40 | 200 | 145 | 110 | 85 | 76 | 18 | 4-Φ18 | 355 | 200 | |
| 50 | 230 | 160 | 125 | 100 | 88 | 20 | 4-Φ18 | 373 | 200 | |
| 65 | 290 | 180 | 145 | 120 | 110 | 22 | 8-Φ18 | 408 | 280 | |
| 80 | 310 | 195 | 160 | 135 | 121 | 22 | 8-Φ18 | 436 | 280 | |
| 100 | 350 | 230 | 190 | 160 | 150 | 24 | 8-Φ23 | 480 | 320 | |
| 125 | 400 | 270 | 220 | 188 | 176 | 28 | 8-Φ25 | 588 | 360 | |
| 150 | 480 | 300 | 250 | 218 | 204 | 30 | 8-Φ25 | 611 | 400 | |
| 200 | 600 | 375 | 320 | 282 | 260 | 38 | 12-Φ30 | 720 | 400 |
Technical Documentation
1. Design Specification: GB/T 12235-2025
2. Structural length: GB/T 12221-2005
3. Testing and Inspection: GB/T 13927-2022
4. Product identification: GB/T 12220-2015
Product Parts List
| Body cover wrench | valve stem | sealing surface | Gasket (ring) | filler | Operating Temperature℃ | Applicable Medium |
| WCB | 2Cr13 | 1Cr13 STL Body material nylon | Enhanced flexible graphite 1Cr13/flexible graphite 0Cr18Ni9Ti OCr18Ni12Mo2Ti | flexible graphite Enhanced flexible graphite SFB-260SFP-260 | ≤425 | Water, steam, oil products |
| WC1 | ≤450 | |||||
| WC6 | 38CrMoAI | ≤540 | ||||
| WC9 | 25Cr2MoV | ≤570 | ||||
| ZGCr5Mo | ≤540 | |||||
| ZG1Cr18Ni9Ti | 1Cr18Ni9Ti | ≤200 | Nitrates | |||
| ZGCr18Ni12Mo2Ti | 1C18Ni12Mo2Ti | ≤200 | Acetic acid |
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