調(diào)節(jié)閥材質(zhì)鑄鐵、鑄銅的工作溫度與對應(yīng)的壓力更新日期：2014-11-03
7、鑄鐵（ASTM A126）
這是一種便宜的非脆性材料，用于控制蒸汽、水、氣體和非腐蝕性流體的閥體。
ASTM A216 鑄鐵閥門的壓力－溫度額定值（符合ASME/ANSI B16.1）
| 溫 度 | CLASS 125 | CLASS 250 | ||||
| ASTM A 216 | ASTM A 216 | |||||
| CLASS A | CLASS B | CLASS A | CLASS B | |||
| NPS | NPS | NPS | NPS | NPS | NPS | |
| 1-12 | 1-12 | 14-24 | 1-12 | 1-12 | 14-24 | |
| °F | Psig | |||||
| -20 到 150 | 175 | 200 | 150 | 400 | 500 | 300 |
| 200 | 165 | 190 | 135 | 370 | 460 | 280 |
| 225 | 155 | 180 | 130 | 355 | 440 | 270 |
| 250 | 150 | 175 | 125 | 340 | 415 | 260 |
| 275 | 145 | 170 | 120 | 325 | 395 | 250 |
| 300 | 140 | 165 | 110 | 310 | 375 | 240 |
| 325 | 130 | 155 | 105 | 295 | 355 | 230 |
| 353 | 125 | 150 | 100 | 280 | 335 | 220 |
| 375 | --- | 145 | --- | 265 | 315 | 210 |
| 406 | --- | 140 | --- | 250 | 290 | 200 |
| 425 | --- | 130 | --- | --- | 270 | --- |
| 450 | --- | 125 | --- | --- | 250 | --- |
| ℃ | Bar | |||||
| -29 到 66 | 12 | 14 | 10 | 28 | 34 | 21 |
| 93 | 11 | 13 | 9 | 26 | 32 | 19 |
| 107 | 11 | 12 | 9 | 24 | 30 | 19 |
| 121 | 10 | 12 | 9 | 23 | 29 | 18 |
| 135 | 10 | 12 | 8 | 22 | 27 | 17 |
| 149 | 10 | 11 | 8 | 21 | 26 | 17 |
| 163 | 9 | 11 | 7 | 20 | 24 | 16 |
| 178 | 9 | 10 | 7 | 19 | 23 | 15 |
| 191 | --- | 10 | --- | 18 | 22 | 14 |
| 207 | --- | 10 | --- | 17 | 20 | 14 |
| 218 | --- | 9 | --- | --- | 19 | --- |
| 232 | --- | 9 | --- | --- | 17 | --- |
ASTM B61 和B62 鑄銅閥門的壓力－溫度額定值（符合ASME B16.24）
| 溫 度 | 工作壓力 | ||||||||
| CLASS 150 | CLASS 300 | ||||||||
| ASTM B 62 | ASTM B 61 | ASTM B 62 | ASTM B 61 | ||||||
| C83600 | C92200 | C83600 | C92200 | ||||||
| °F | ℃ | psig | bar | psig | bar | psig | bar | psig | bar |
| -20到150 | -29到66 | 225 | 16 | 225 | 16 | 500 | 34 | 500 | 34 |
| 175 | 79 | 220 | 15 | 220 | 15 | 480 | 33 | 490 | 34 |
| 200 | 93 | 210 | 14 | 215 | 15 | 465 | 32 | 475 | 33 |
| 225 | 107 | 205 | 14 | 210 | 14 | 445 | 31 | 465 | 32 |
| 250 | 121 | 195 | 13 | 205 | 14 | 425 | 29 | 450 | 31 |
| 275 | 135 | 190 | 13 | 200 | 14 | 410 | 28 | 440 | 30 |
| 300 | 149 | 180 | 12 | 195 | 13 | 390 | 27 | 425 | 29 |
| 350 | 177 | 165 | 11 | 180 | 12 | 350 | 24 | 400 | 28 |
| 400 | 204 | --- | --- | 170 | 12 | --- | --- | 375 | 26 |
| 406 | 207 | 150 | 10 | --- | --- | --- | --- | --- | --- |
| 450 | 232 | 135(1) | 9 | 160 | 11 | 280(1) | 19 | 350 | 24 |
| 500 | 260 | --- | --- | 150 | 10 | --- | --- | 325 | 22 |
| 550 | 288 | --- | --- | 140 | 10 | --- | --- | 300 | 21 |
| 1.有些法規(guī)（如，ASME 鍋爐和壓力容器法規(guī)第 1 節(jié)，ASME B31.1，ASME B31.5）把指定材料的溫度額定值 限制到 406°F | |||||||||
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