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| ����˜� | GB/T 122387-89 |
| ���m�˜� | GB9113-2000,��GB17241.6-1998 |
| �Y(ji��)��(g��u)�L�Ș˜� | GB12221-89 |
| �z�˜� | GB/T 13927-92 |
��,��D971X늄ӌ��Aܛ�ܷ���y��Ҫ����(sh��)
| ���Qͨ��(j��ng)DN��mm) | 50��2000 | 50��1600 | |
| ���Qˎ��PN��MPa) | 0.6 | 1.0 | 1.6 |
| �ܷ�ԇ�(MPa) | 0.66 | 1.1 | 1.76 |
| ����ԇ�(MPa) | 0.9 | 1.5 | 2.4 |
| �m�Üض� | �������z��-40�桫90������z��-20�桫200�� | ||
| �m�ý��|(zh��) | ˮ���՚�,����Ȼ��,����Ʒ�������g�����w | ||
| й©�� | ����GB/T13927-92�˜� | ||
| �(q��)�ӷ�ʽ | ݆����,��늄ӡ����,��Һ�� | ||
��,��D971X늄ӌ��Aܛ�ܷ���y��Ҫ�������
| ������Q | ���� |
| �y�w | WCB��QT450-10,��HT200,��HT250 |
| ���� | WCB,��QT450-10,��HT200��HT250 |
| �y�S | 2Cr13 |
| �ܷ�Ȧ | �����������z |
| ���� | ����ʯī |
��,��D971X늄ӌ��Aܛ�ܷ���y��Ҫ�����B�ӳߴ�
| DN | L | H | HO | A | B | 0.6MPa | 1.0MPa | 1.6MPa | |||
| DO | n-d | DO | n-d | DO | n-d | ||||||
| 50 | 43 | 63 | 306 | 180 | 200 | 110 | 4-14 | 125 | 4-18 | 125 | 4-18 |
| 65 | 46 | 70 | 321 | 180 | 200 | 130 | 4-14 | 145 | 4-18 | 145 | 4-18 |
| 80 | 46 | 83 | 346 | 180 | 200 | 150 | 4-18 | 160 | 8-18 | 160 | 8-18 |
| 100 | 52 | 105 | 387 | 180 | 200 | 170 | 4-18 | 180 | 8-18 | 180 | 8-18 |
| 125 | 56 | 115 | 411 | 180 | 200 | 200 | 8-18 | 210 | 8-18 | 210 | 8-18 |
| 150 | 56 | 137 | 447 | 270 | 280 | 225 | 8-18 | 240 | 8-22 | 240 | 8-22 |
| 200 | 60 | 164 | 572 | 270 | 280 | 280 | 8-18 | 295 | 8-22 | 295 | 8-22 |
| 250 | 68 | 206 | 646 | 270 | 280 | 335 | 12-18 | 350 | 12-22 | 355 | 12-26 |
| 300 | 78 | 230 | 738 | 380 | 420 | 395 | 12-22 | 400 | 12-22 | 410 | 12-26 |
| 350 | 78 | 248 | 761 | 380 | 420 | 445 | 12-22 | 460 | 16-22 | 470 | 16-26 |
| 400 | 102 | 289 | 877 | 450 | 470 | 495 | 16-22 | 515 | 16-26 | 525 | 16-30 |
| 450 | 114 | 320 | 938 | 480 | 490 | 550 | 16-22 | 565 | 20-26 | 585 | 20-30 |
| 500 | 127 | 343 | 993 | 480 | 490 | 600 | 20-22 | 620 | 20-26 | 650 | 20-33 |
| 600 | 154 | 413 | 1131 | 480 | 490 | 705 | 20-26 | 725 | 20-30 | 770 | 20-36 |
| 700 | 165 | 478 | 1476 | 640 | 660 | 810 | 24-26 | 840 | 24-30 | 840 | 24-36 |
| 800 | 190 | 525 | 1533 | 640 | 660 | 920 | 24-30 | 950 | 24-33 | 950 | 24-39 |
| 900 | 203 | 585 | 1655 | 750 | 860 | 1020 | 24-30 | 1050 | 28-33 | 1050 | 38-39 |
| 1000 | 216 | 640 | 1765 | 850 | 900 | 1120 | 28-30 | 1160 | 28-36 | 1170 | 28-42 |
| 1200 | 254 | 755 | 1995 | 850 | 900 | 1340 | 32-33 | 1380 | 32-39 | 1390 | 32-48 |
