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Double disc check valve H76H/H76X-16

Double disc check valve H76H/H76X-16

蝶式止回阀流阻系数低，结构可靠、紧凑，体型轻便。采用对夹连接，由于valve disc的关闭行程短，并且有spring加载，可显著减少水锤现象。该阀主要用于城市、工业及高层建筑给水、排水管网上、船用。由于其结构长度比一般止回阀短，适用对有安装空间限制的场所。

Product drawing

Product drawing.png

Product dimensions

DN		10P		16P		25P		150LB		300LB
DN		长度L	外圆D	长度L	外圆D	长度L	外圆D	长度L	外圆D	长度L	外圆D
40	1 1/2"	60	93	60	93	60	93	60	83	60	93
50	2"	60	108	60	108	60	108	60	103	60	109
65	2 1/2"	67	128	67	128	67	128	67	122	67	127
80	3"	73	142	73	142	73	142	73	135	73	146
100	4"	73	162	73	162	73	167	73	172	73	178
125	5"	86	192	86	192	86	194	86	195	86	213
150	6"	98	218	98	218	98	224	98	218	98	248
200	8"	127	273	127	273	127	284	127	276	127	304
250	10"	146	328	146	330	146	340	146	336	146	358
300	12"	181	378	181	384	181	400	181	406	181	418
350	14"	184	438	184	444	184	456	184	446	222	482
400	16"	191	490	191	495	191	515	191	510	232	536
450	18"	203	540	203	555	203	565	203	545	264	593
500	20"	219	594	219	616	219	618	219	600	292	650
600	24"	222	695	222	728	222	728	222	714	318	771
700	28"	305	810	305	798	305	827	305	770	368	821
800	32"	305	916	305	908	305	942	305	876	368	936
900	36"	368	1016	368	1008	368	1036	368	980	483	1044
1000	40"	432	1124	432	1122	432	1152	432	1090	546	1140
1200	48"	524	1338	524	1336	524	1362	524	1300	629	1365

Technical Documentation

1.execution standardJB/T 8937-2010

Product Parts List

serial number	name	material
1	valve body	ductile cast iron/carbon steel/stainless steel/aluminum bronze
2	valve disc	carbon steel/stainless steel/aluminum bronze
3	valve seat	304/316/STL等
4	spring	stainless steel/INCONEL X-750等

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