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D971X늄�(d��ng)���y���Ø�(bi��o)��(zh��n)
�O(sh��)Ӌ(j��)��(bi��o)��(zh��n)��GB/T2238-1989
���m�B�ӳߴ�:GB/T9113.1-2000;GB/T9115.1-2000;JB78
�Y(ji��)��(g��u)�L(zh��ng)��:GB/T12221-1989
����ԇ�(y��n):GB/T13927-1992;JB/T9092-1999
D971X늄�(d��ng)���y��(zh��)�ЙC(j��)��(g��u)��
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2.�w�eС�ɣ��w�e�H�ஔ(d��ng)��ͬa(ch��n)Ʒ��35%����,��
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D971X늄�(d��ng)���yҎ(gu��)��(sh��)��
| ���Qͨ�� | DN(mm) | 50��2000 | ||
| ���Q���� | PN(MPa) | 0.6 | 1.0 | 1.6 |
| ԇ�(y��n)���� | ��(qi��ng)��ԇ�(y��n) | 0.9 | 1.5 | 2.4 |
| �ܷ�ԇ�(y��n) | 0.66 | 1.1 | 1.76 | |
| ���ܷ�ԇ�(y��n) | 0.6 | 0.6 | 0.6 | |
| �m�ý��|(zh��) | �՚�,��ˮ,����ˮ������,��ú��,����Ʒ�ȡ� | |||
| �(q��)��(d��ng)��ʽ | �ք�(d��ng),���U݆����(d��ng),�������(d��ng)��늂���(d��ng),�� | |||
D971X늄�(d��ng)���y��Ҫ����IJ��|(zh��)
| ������Q | ���� |
| �y�w | ��ī�T�,���T䓡��Ͻ�䓡����P� |
| ���� | ���T�F,����ī�T�,���T䓡����P䓼�������� |
| �ܷ�Ȧ | ���N���z,�����ķ� |
| �y�U | 2Cr13,�����P� |
| ���� | O��Ȧ������ʯīO |
D971X늄�(d��ng)���y���γߴ�
| ���Qͨ��DN | L | H1 | H | D1 | Z-φd | D | L1 |
| 50 | 43 | 452 | 80/112 | 120/125 | 4-18 | 165 | 208 |
| 65 | 46 | 475 | 88/115 | 136/145 | 4-18 | 185 | 208 |
| 80 | 46/49 | 516 | 96/120 | 160/ | 8-18 | 200 | 208 |
| 100 | 52/56 | 551 | 115/140 | 185 | 8-18 | 220 | 208 |
| 125 | 56/64 | 566 | 128/170 | 210 | 8-18 | 220 | 208 |
| 150 | 56/70 | 606 | 140/180 | 240 | 8-22 | 285 | 256 |
| 200 | 60/76 | 731 | 175/210 | 295 | 8-22 | 340 | 256 |
| 250 | 68/76 | 778 | 202/240 | 355 | 12-22 | 395/405 | 256 |
| 300 | 78/83 | 830 | 242/290 | 410 | 12-22 | 445/460 | 256 |
| 350 | 78/92 | 996 | 266/320 | 470 | 16-22 | 505-520 | 346 |
| 400 | 102 | 1058 | 298/350 | 515/525 | 16-26 | 565/580 | 346 |
