三、H44W不銹鋼旋啟式止回閥--主要零件材質(zhì)
| 零件名稱 | ZG1Cr18Ni9Ti 304 CF8 | ZG00Cr18Ni10 304L CF3 | ZG1Cr18Ni12Mo2Ti 316 CF8M | ZG00Cr17Ni14Mo2 316L CF3M |
| 閥體/閥蓋 | 0Cr18Ni9 | 00Cr18Ni10 | 0Cr18Ni9Mo2 | 00Cr18Ni10Mo2 |
| 閥瓣 | 0Cr18Ni9 | 00Cr18Ni10 | 0Cr18Ni9Mo2 | 00Cr18Ni10Mo2 |
| 墊片 | 304+PTFE | 304L+PTFE | 316+PTFE | 316L+PTFE |
| 螺栓 | 不銹鋼 | |||
| 螺母 | 不銹鋼 | |||
四、主要外形及連接尺寸
| 公稱通徑 | 尺寸(mm) | ||||||
| L | D | D1 | D2 | Z-Φd | b-f | H | |
| 20 | 150 | 105 | 75 | 55 | 4-Φ14 | 14-2 | 95 |
| 25 | 160 | 115 | 85 | 65 | 4-Φ14 | 14-2 | 100 |
| 32 | 180 | 135 | 100 | 78 | 4-Φ18 | 16-2 | 105 |
| 40 | 200 | 145 | 110 | 85 | 4-Φ18 | 16-2 | 115 |
| 50 | 230 | 165 | 125 | 100 | 4-Φ18 | 18-3 | 132 |
| 65 | 290 | 180 | 145 | 120 | 4-Φ18 | 18-3 | 140 |
| 80 | 310 | 195 | 160 | 135 | 8-Φ18 | 20-3 | 145 |
| 100 | 350 | 215 | 180 | 155 | 8-Φ18 | 20-3 | 150 |
| 125 | 400 | 245 | 210 | 185 | 8-Φ18 | 22-3 | 250 |
| 150 | 480 | 280 | 240 | 210 | 8-Φ23 | 24-3 | 295 |
| 200 | 550 | 335 | 295 | 265 | 12-Φ23 | 26-3 | 300 |
| 250 | 650 | 405 | 355 | 320 | 12-Φ25 | 30-3 | 350 |
| 300 | 750 | 460 | 410 | 375 | 12-Φ25 | 30-4 | 400 |
| 350 | 850 | 520 | 470 | 435 | 16-Φ25 | 34-4 | 480 |
| 400 | 950 | 580 | 525 | 485 | 16-Φ30 | 36-4 | 520 |
| 450 | 1050 | 640 | 585 | 545 | 20-Φ30 | 40-4 | 580 |
| 500 | 1150 | 705 | 650 | 608 | 20-Φ34 | 44-4 | 630 |
| 600 | 1350 | 840 | 770 | 718 | 20-Φ41 | 48-5 | 780 |
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