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�˚⣺1418 �l(f��)���r(sh��)�g��2008-12-27 18:44 �P(gu��n)�I�~���y�T �a(ch��n)Ʒ��̖�� ��(y��ng)���I(l��ng)��ˮ̎�� �a(ch��n)Ʒ�r(ji��)�����h |
ͨ�����Q��50-600MM
������PN16-PN25��
���|(zh��)���Ͻ�,��̼�
ˮ���l�y�Y(ji��)��(g��u)���c(di��n)����;��
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2,�����Ϻ��O(sh��)Ӌ(j��)��ˮ�ܷ�Y(ji��)��(g��u),������0.6��1.6Mpaˮ���ϣ�Ħ����С,���ܷ��,����ʹϵ�y(t��ng)�c�����x�����C���õĚ�����,��
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4,���y�U��(j��ng)�{(di��o)�|(zh��)�����浪��̎��,�������õĿ����g�ԣ��������Ժ���ĥ��,��
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6,���y�T���������ȫ�_��ȫ�P(gu��n)λ�ã��������{(di��o)��(ji��)�y��,��
·ˮ���l�y��Ҫ����Ҏ(gu��)�� Chief property and specification
ԇ�(y��n)���� Test pressure�� |
���Q����PN/MPa | |||||
1.0 | 1.6 | 2.5 | 4.O | 6.4 | 1O.0 | |
���w��(qi��ng)��ԇ�(y��n) Shell Strength test |
1.5 | 2.4 | 3.8 | 6.O | 9.6 | 15.0 |
�ܷ�ԇ�(y��n) Seal test |
1.1 | 1.8 | 2.8 | 4.4 | 7.0 | 11.O |
���ܷ�ԇ�(y��n) Back seal test |
1.1 | 1.8 | 2.8 | 4.4 | 7.0 | 11.0 |
���ܷ�ԇ�(y��n) Leak- proofness test |
0.5��O.7 |
·ˮ���l�yʹ�÷��� Scope of use
�a(ch��n)Ʒe Product classification |
�m�Üض�/�� Working temperature |
�m�ý��|(zh��) Suitable medium |
̼���(C) Carbon steel |
≤425�� | ˮ,����������Ʒ,���Ǹ��g�Ԛ��w Water,��Stem��oilgoods non-corrosive gas |
�Ͻ��(I) Alloy steel |
≤540�� |
·ˮ���l�y��Ҫ������� Material for Main Parts
�a(ch��n)Ʒ��� Product type |
������Q Part name |
|||||
�y�w,���y�w,��֧�� B0dy��BOnnet,��Yoke | �y�U Valve rod |
�l��,���y�ꡢ�ܷ��� Walge gate Disc Sealface |
�y���ܷ��� Seatring seal face |
�y�U��ĸ Yoke nut |
���� Packing |
|
̼���(C) Carbon steel | WCB 25 | 1Crl3 ��2Crl3 | Crl3�Ͳ��P䓻�Ӳ�|(zh��)�Ͻ� Sainlesssteelor carbidealloy | ���P� Stainlesssteel | �X���~ Albronze | ����ʯī F18xible graphite |
�Ͻ��(I) Alloy steel |
WC6 Cr5M01 | 38CrMoAlA 20CrlM01VA | Ⓕ��Ͻ� | Ӳ�|(zh��)�Ͻ� Carbide alloy |
·ˮ���l�y��Ҫ�ߴ�/mm Main dimensionsDS/Z64H-16,��25 DS/Z64Y-16I,��25Iˮ���l�y
ע��PN1.6(16)�y�T���S����PN1.0(10)�����x��
DS/Z64H-40,��64��100 DS/Z64Y-40I,��64I,��100I ˮ���l�y
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