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低溫截止閥標(biāo)準(zhǔn)材質(zhì)細(xì)表
| 序號 | 零件名稱 | AStoASTM | SStoASTM | ||
| A350 LF2 | A350 LF3 | A182 F304 | A182 F316L | ||
| 1 | 閥體 | A350 LF2 | A350 LF3 | A182 F304L | A182 F316L |
| 2 | 閥瓣 | A276 410 | A276 304L | A276 304L | A276 316L |
| 3 | 閥蓋 | A350 LF2 | A350 LF3 | A182 F304L | A182 F316L |
| 4 | 墊片 | 316夾柔性石墨 | 316夾PTFE | ||
| 5 | 螺栓螺母 | A193 B7 | A193 B7 | A193 B8 | A193 B8M |
| 6 | 閥桿 | A182 F6 | A182 F6 | A182 F304L | A182 F316L |
| 7 | 填料 | 柔性石墨 | PTFE | ||
| 8 | 填料壓套 | A276 420 | A182 F304 | ||
| 9 | 銷釘 | A276 420 | A182 F304 | ||
| 10 | 活節(jié)螺栓 | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
| 11 | 填料壓板 | WCB | A351 CF8 | ||
| 12 | 螺母 | A194 2H | A19 44 | A194 8 | A194 8M |
| 13 | 閥桿螺母 | A276 410 | |||
| 14 | 手輪 | A197 | |||
| 15 | 銘牌 | SS | |||
| 16 | 螺母 | A194 2H | A194 4 | A194 8 | A194 8M |
| 適用溫度 | ≥-40℃ | ≥-101℃ | ≥-196℃ | ||
| NPS | 3/8" | 1/2" | 3/4" | 1" | 1 1/4" | 1 1/2" | 2" | |
| L | 79 | 92 | 111 | 120 | 120 | 172 | 200 | |
| H開 | 330 | 337 | 370 | 480 | 410 | 474 | 546 | |
| W | 100 | 100 | 125 | 160 | 160 | 180 | 200 | |
| 重量 | 螺栓式 | 5.2 | 7.2 | 10.9 | 13.5 | 15.2 | 19.8 | 29.0 |
| 焊接式 | 4.8 | 6.5 | 9.5 | 11.5 | 13.1 | 17.5 | 26.8 | |
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