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GB/1241-1983�������ݼy�䓽�ֹֹ���y Marine forged steel male thread stop check valve ����Ҏ(gu��)�� Technical Data GB/1241-1983�������ݼy�� ��ֹֹ���y ����Ҏ(gu��)�� ���Q���� Nominal Pressure (MPa) ���Qͨ�� Nominal Diameter (mm) �m�ý��|(zh��) Applicable...

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GB/1241-1983�������ݼy�䓽�ֹֹ���y
Marine forged steel male thread stop check valve

����Ҏ(gu��)�� Technical Data
GB/1241-1983�������ݼy����ֹֹ���y����Ҏ(gu��)��
���Q����
Nominal Pressure
(MPa)		 ���Qͨ��
Nominal Diameter
(mm)		 �m�ý��|(zh��)
Applicable medium
4.0 10-32 ��ˮ�����͡�ȼ�ͺ�≤400������
Fresh water,Lubricanting oil,Fuel oil.t≤400��steam.

��Ҫ�㲿�����|(zh��)Materials of Main Parts
GB/1241-1983�������ݼy�䓽�ֹֹ���y��Ҫ�㲿�����|(zh��)
������Q
Parts name		 ����
Material
���Q
Name		 ��̖
Marks
�y�w���y�w
Body��Cover		 ��������T�X���~
Carbon steel��Cast Aluminum Bronze		 Q235-A��ZCuAI9Mn2
�y�P���y�U
Disc��Stem		 ���C䓡��X���~
Stainless steel��Aluminum Bronze		 2Cr13��CuAI9Mn2


�����ߴ�Dmiensions

GB/1241-1983ݼy䓽ֹֹyߴD

GB/1241-1983�������ݼy�䓽�ֹֹ���y�����ߴ�
���Qͨ��
DN (mm)		 �Y(ji��)��(g��u)�ߴ�
Structure Dimension		     �ݼy���^
Thread joint		 ���ֳߴ�
Wrench size
S2		 ��݆
Hand wheel		 ����
Lift Range
m		 ��������
Weight
(kg)
L H≈ H1
A�� A�� D D1 D2 I l1 A�� Do S1 A��
10 94 128 20 M27x1.5 24.8 14 16 3 27 80 8 7 1.00
15 110 143 25 M36x2 33 22 22 5 32 80 8 10 1.60
20 116 154 32 M39x2 36 25 23 5 36 100 9 12 2.03
25 130 168 38 M48x2 45 32 26 6 46 120 11 14 2.85
32 140 200 46 M56x2 53 38 28 6 46 140 12 16 4.48
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