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Materials
| No | Part name | Material |
| 1 | Body | WCB CF8,CF8M,CF3,CF3M |
| 2 | Disc | 25,1Cr13,2 Cr13 1Cr18Ni9Ti 0Cr18Ni12Mo2Ti |
| 3 | Spring | 1Cr18Ni9Ti,304,316,304L,316L |
| 4 | Bonnet | WCB CF8,CF8M,CF3,CF3M |
| 5 | Bolt | ASTM A193-B7,A193-B8,A193-B8M |
| 6 | Nut | ASTM A194-B2,A193-B8,A194-B8M |
Dimensions and Weight
| DN | L | H | KV | PN16 | PN25 | PN40 |
| 15 | 130 | 70 | 5.7 | 2.4 | 3.5 | 3.8 |
| 20 | 150 | 70 | 7.8 | 3.0 | 4.4 | 4.9 |
| 25 | 160 | 80 | 11.8 | 3.8 | 5.0 | 5.9 |
| 32 | 180 | 80 | 17.9 | 5.7 | 6.0 | 7.1 |
| 40 | 200 | 85 | 27.5 | 7.4 | 8.0 | 10.4 |
| 50 | 230 | 95 | 48.0 | 10.3 | 11.0 | 12.3 |
| 65 | 290 | 110 | 77.6 | 15.2 | 16.0 | 22.7 |
| 80 | 310 | 130 | 109.0 | 20.4 | 21.0 | 28.5 |
| 100 | 350 | 155 | 168.0 | 31.0 | 32.0 | 40.0 |
| 125 | 400 | 165 | 251.0 | 49.0 | 51.0 | 64.0 |
| 150 | 480 | 215 | 389.0 | 69.0 | 70.0 | 90.0 |
| 200 | 600 | 285 | 664.0 | 132.0 | 136.0 | 170.0 |
| 250 | 730 | 325 | 1017.0 | 198.0 | 218.0 | 240.0 |
| 300 | 850 | 365 | 1446.0 | 278.0 | 330.0 | 370.0 |
Supplier: Saitai Valve, China
Manufacturer: Shop in Shanghai Qingpu Industrial Park
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Catalog:Bellows Seal Valves