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额定内部工作压力 Rated Internal Working Pressures |
美国尼伯科有限公司 |
铜管件额定内部工作压力1 Rated Internal Working Pressures1 for Copper Fittings |
水管公 称通径 Nominal Water Tube Size |
水温范围 Water Temperature Range |
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英寸 Inch |
-20o to 100oF PSI |
-29o至38oC -29o to 38oC BAR |
150oF PSI |
66oC BAR |
200oF PSI |
95oC BAR |
250oF PSI |
120oC BAR |
300oF PSI |
149oC BAR |
350oF PSI |
177oC BAR |
400oF PSI |
204oC BAR |
DN8 1/4 |
912 | 62 | 775 | 53 | 729 | 50 | 729 | 50 | 714 | 49 | 608 | 42 | 456 | 31 |
DN10 3/8 |
779 | 54 | 662 | 46 | 623 | 43 | 623 | 43 | 610 | 42 | 519 | 36 | 389 | 27 |
DN15 1/2 |
722 | 50 | 613 | 42 | 577 | 40 | 577 | 40 | 565 | 39 | 481 | 33 | 361 | 25 |
DN17 5/8 |
631 | 43 | 537 | 37 | 505 | 35 | 505 | 35 | 495 | 34 | 421 | 29 | 316 | 21 |
DN20 3/4 |
582 | 40 | 495 | 34 | 466 | 32 | 466 | 32 | 456 | 31 | 388 | 27 | 291 | 20 |
DN25 1 |
494 | 34 | 420 | 29 | 395 | 27 | 395 | 27 | 387 | 26 | 330 | 23 | 247 | 17 |
DN32 11/4 |
439 | 30 | 373 | 26 | 351 | 24 | 351 | 24 | 344 | 23 | 293 | 20 | 219 | 15 |
DN40 11/2 |
408 | 28 | 347 | 24 | 327 | 23 | 327 | 23 | 320 | 22 | 272 | 19 | 204 | 14 |
DN50 2 |
364 | 25 | 309 | 21 | 291 | 20 | 291 | 20 | 285 | 20 | 242 | 17 | 182 | 13 |
DN65 21/2 |
336 | 23 | 285 | 20 | 269 | 19 | 269 | 19 | 263 | 18 | 224 | 15 | 168 | 12 |
DN80 3 |
317 | 22 | 270 | 19 | 254 | 17 | 254 | 17 | 248 | 17 | 211 | 15 | 159 | 11 |
DN90 31/2 |
304 | 21 | 258 | 18 | 243 | 17 | 243 | 17 | 238 | 16 | 202 | 14 | 152 | 10 |
DN100 4 |
293 | 20 | 249 | 17 | 235 | 16 | 235 | 16 | 230 | 16 | 196 | 13 | 147 | 10 |
DN125 5 |
269 | 19 | 229 | 16 | 215 | 15 | 215 | 15 | 211 | 15 | 179 | 12 | 135 | 9 |
DN150 6 |
251 | 17 | 213 | 15 | 201 | 14 | 201 | 14 | 196 | 14 | 167 | 12 | 125 | 8 |
DN200 8 |
270 | 19 | 230 | 16 | 216 | 15 | 216 | 15 | 212 | 15 | 180 | 12 | 135 | 9 |
1 管件压力额定值适用于管件最大开度的时候。 1 The fitting pressure rating applies to the largest opening of the fitting. |
铸造铜合金法兰和法兰管件额定内部工作压力 Rated Internal Working Pressures of Cast Copper Alloy Flanges and Flanged Fittings |
连接公称通径 Nominal Size Joint |
温度 Temperature |
压力 Pressure |
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压力等级A, B Class 125A, B |
压力等级B Class 150B |
压力等级A, C Class 150A, C |
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英寸 Inch |
oF | oC | PSI | BAR | PSI | BAR | PSI | BAR |
DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200 (还有压力等级125的DN250) 1/2, 3/4, 1, 11/4, 11/2, 2, 21/2, 3, 4, 5, 6, 8 (also 10" for Class 125) |
0 - 150 | 0 ~ 66 | 105 | 7 | 210 | 14 | 225 | 15 |
175 | 79 | 100 | 7 | 205 | 14 | 220 | 15 | |
200 | 93 | 95 | 7 | 195 | 13 | 210 | 15 | |
225 | 107 | 90 | 6 | 190 | 13 | 205 | 14 | |
250 | 121 | 90 | 6 | 180 | 12 | 195 | 13 | |
275 | 135 | 85 | 6 | 175 | 12 | 190 | 13 | |
300 | 149 | 85 | 6 | 170 | 12 | 180 | 12 | |
350 | 177 | 75 | 5 | 150 | 10 | 165 | 11 | |
406 | 208 | 70 | 5 | 140 | 9 | 150 | 10 |
A 美国阀门及配件制造商协会MSS SP-106标准
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