dual disc/double plate check valve

H76 Double disc check valve Product description:

Double disc wafer check valve Application
Valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring the result of opening and closing automatically.When the medium is back-going, valve disc will automaticaly closed to avoid accidents.
Double disc check valve Specification
1	Face to face according to DIN3202-K3.
2	Flange drilling according to ANSI125/150;DIN2501PN10/PN16;AS2129 Table E;JIS10K ect.
3	Working Pressure: PN10;PN16
Double disc check valve Main Parts and Materials
Number	Part Name		Material
1	Body		GG25
2	Disc		SS316
3	Stem		SS410
4	Spring		SS304
5	Washer		PTFE
6	Washer		PTFE
7	Gasket		NBR
8	Hex nut		A193A
Double disc check valve Main Dimensions
DN	D	D1	D2	L	R	t
50	107	65	40	43	27	18.4
65	127	80	60	46	35	19.8
80	142	94	70	64	42	27.7
100	162	117	88	64	50	27.7
150	218	171	134	76	77	31.6
200	273	224	182	89	102.5	32.9
300	378	310	260	114	146	43.3
350	446	360	298	127	170	45.3
400	488	410	350	140	195	52.3
450	546	450	385	152	215	58.2
500	594	505	438	152	238	58.3
600	700	624.5	538	178	292	74.6
700	820	720	662	229	345	96
800	930	825	762	241	394	99

Double disc check valve real photo: Double disc check valve Factory Pictures:
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