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GB/T1853-1994���÷��m�T��ς�(c��)��ֹֹ���y Marine flanged cast steel over board stop check valves ����Ҏ(gu��)�� Technical Data B��BS�ʹ��÷��m�T�ֱ��ʽ�ς�(c��) ��ֹֹ���y ����Ҏ(gu��)�� ���Q���� Nominal Pressure (MPa) ���Qͨ�� Nominal Diameter (mm) �m�ý��|(zh��)...

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GB/T1853-1994���÷��m�T��ς�(c��)��ֹֹ���y
Marine flanged cast steel over board stop check valves

����Ҏ(gu��)�� Technical Data
B��BS�ʹ��÷��m�T�ֱ��ʽ�ς�(c��)��ֹֹ���y����Ҏ(gu��)��
���Q����
Nominal Pressure
(MPa)		 ���Qͨ��
Nominal Diameter
(mm)		 �m�ý��|(zh��)
Applicable medium
0.6 40-350 ��ˮ����ˮ
Sea water.Fresh water

��Ҫ�㲿�����|(zh��)Materials of Main Parts
B��BS�ʹ��÷��m�T�ֱ��ʽ�ς�(c��)��ֹֹ���y��Ҫ�㲿�����|(zh��)
������Q
Parts name		 ����
Material
���Q
Name		 ��̖
Marks
�y�w���y�w
Body��Cover		 �T�
Cast steel		 ZG230-450
�y�P���y��
Disc��Seat		 �T�a���~
Cast Tin Bronze		 ZCuAI9Mn2
�y�U
Stem		 ����~
Aluminum Bronze		 CuAI9Mn2


�����ߴ�Dimensions

Bʹ÷mTֱʽς(c)ֹֹyߴ

B�ʹ��÷��m�T�ֱ��ʽ�ς�(c��)��ֹֹ���y�����ߴ�
���Qͨ��
DN
(mm)		 �Y(ji��)��(g��u)�ߴ�
Structure Dimension		 �ں�
Thickness
t		 ���m
Flange		 ��˨
Bolt		 ��݆
Hand wheel		 ����
Lift Range
m		 ��������
Weight
(kg)
L H≈ L1
B�� B�� B�� D D1 D2 do b n�� Th. Do S B��
40 90 326 90 6 125 93 74 15 13 6 M14 120 11 12 7.5
50 95 383 95 7 135 103 84 15 13 6 M14 140 12 15 10.7
65 115 430 115 7 155 123 104 15 14 6 M14 140 12 19 15.9
80 125 474 125 7 170 138 118 15 14 8 M14 160 14 23 21.0
100 150 498 135 8 190 158 138 15 14 8 M14 180 14 28 27.6
125 175 561 155 8 215 183 164 16 14 10 M14 200 17 35 39.0
150 180 616 160 9 240 208 190 16 14 12 M14 200 17 42 49.2
200 215 829 215 10 295 264 247 16 15 12 M14 280 22 55 70.0
250 250 986 250 11 365 327 306 18 16 14 M16 320 27 65 117.5
300 300 1160 300 12 430 386 360 22 19 14 M20 400 27 80 170.8
350 320 1210 320 12 480 436 410 22 28 16 M20 450 32 100 220.4

BS�ʹ��÷��m�T�ֱ��ʽ�ς�(c��)��ֹֹ���y�����ߴ�
���Qͨ��
DN
(mm)		 �Y(ji��)��(g��u)�ߴ�
Structure Dimension		 �ں�
Thickness
t		 ���m
Flange		 ��˨
Bolt		 ��݆
Hand wheel		 ����
Lift Range
m		 ��������
Weight
(kg)
L H≈ L1
BS�� BS�� BS�� D D1 D2 do b n�� Th. Do S BS��
40 115 326 115 6 130 100 80 14 16 4 M12 120 11 12 7.9
50 125 383 125 7 140 110 90 14 16 4 M12 140 12 15 11.6
65 145 430 145 7 160 130 110 14 16 4 M12 140 12 19 18.6
80 155 474 155 7 190 150 128 18 18 4 M16 160 14 23 23.8
100 175 498 175 8 210 170 148 18 18 4 M16 180 14 28 30.7
125 200 561 200 8 240 200 178 18 20 8 M16 200 17 35 44.7
150 225 616 225 9 265 225 202 18 20 8 M16 200 17 42 54.9
200 275 829 275 10 320 280 258 18 22 8 M16 280 22 55 78.3
250 325 986 325 11 375 335 316 18 24 12 M16 320 27 65 126.6
300 375 1160 375 12 440 395 365 22 24 12 M20 400 27 80 179.2
350 425 1210 425 12 490 445 415 22 24 12 M20 450 32 100 229.6
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