品牌
生产厂家厂商性质
所在地
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| 采用锻打、锻压精加工而成，无裂纹，适用于压力容器配套燃气管路阀门相连接。 |
| 口径 | D | D1 | D2 | f | b | φd | 螺栓 |
| 15 | 95 | 65 | 45 | 2 | 14 |
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| 20 | 105 | 75 | 55 | 2 | 14 |
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| 25 | 115 | 85 | 65 | 2 | 14 |
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| 32 | 135 | 100 | 78 | 2 | 16 |
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| 40 | 145 | 110 | 85 | 3 | 16 |
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| 50 | 160 | 125 | 100 | 3 | 16 |
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| 65 | 180 | 145 | 120 | 3 | 18 |
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| 80 | 195 | 160 | 135 | 3 | 20 |
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| 100 | 215 | 180 | 155 | 3 |
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| 125 | 245 | 210 | 185 | 3 |
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| 150 | 280 | 240 | 210 | 3 |
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| 200 | 335 | 295 | 265 | 3 |
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| 250 | 405 | 355 | 320 | 3 |
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| 300 | 460 | 410 | 375 | 4 |
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| 350 | 520 | 470 | 435 | 4 |
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| 400 | 580 | 525 | 485 | 4 |
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| 450 | 640 | 585 | 545 | 4 |
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| 500 | 705 | 650 | 608 | 4 |
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| 600 | 840 | 770 | 718 | 5 |
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| 700 | 910 | 840 | 788 | 5 |
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| 800 | 1020 | 950 | 898 | 5 |
