Ductile Iron Ball Check Valve For Drinking Water

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 5 set

Supply Capability:: 1000 set/month

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Wafer Type Dual Plate Check Valve

We manufacture top quality Wafer Type Dual Plate Check Valve made from cast iron, cast steel and stainless steel. Wafer Type Dual Plate Check Valves offered by us can be availed in various types like dual plate; single disc type and non slam check valves to meet the different requirements of the customers. We are identified as one of the celebrated Wafer Check Valves Suppliers in China.

Wafer body style fits between FF or RF flanges
Upper and lower PTFE thrust washers
Dual plate Valves give maximum strength with minimum opening time
Torsion springs assist Valve closure, preventing flow reversal
Thrust washer reduce friction and wear of Valve plate hinges

Technical Data

Size	DN40-DN800
Working Pressure	PN10/PN16
Face to Face	DIN 3202-K3
Flange Drilling	ANSI B16.1 Class125,EN1092-PN10/PN16
Inspection and Test	API 598

﹡For all available general design, face to face standard and flange drilling,please kindly contact CNBM directly.

Materials of Parts

Parts	Description	Material
1	Body	Cast Iron/Ductile Iron/WCB
2	Disc	Stainless Steel/Bronze/Ductile Iron
3	Shaft	Stainless Steel
4	Spring	Stainless Steel
5	Washer	PTFE
6	Seat	EPDM/NBR
7	Gasket	PTFE
8	Hex Nut	Cast Steel

﹡For other material request,please kindly contact CNBM directly.

Dimensions

Size		L	D		D1	D2	R
DN	NPS	L	DIN PN10	DIN PN16	D1	D2	R
40	1-1/2"	43	78	78	57	/	25
50	2"	43	107	107	65	40	27
65	2-1/2"	46	127	127	80	60	35
80	3"	64	142	142	94	70	42
100	4"	64	162	162	117	88	50
125	5"	70	192	192	145	115	64
150	6"	76	218	218	171	134	77
200	8"	89	273	273	224	182	102.5
250	10"	114	328	328	265	220	125
300	12"	114	378	378	310	260	146
350	14"	127	438	444	360	298	170
400	16"	140	489	489	410	350	195
450	18"	152	539	555	450	385	215
500	20"	152	594	617	505	438	238
600	24"	178	695	734	624.5	538	292
700	28"	229	810	804	720	662	345
800	32"	241	917	911	825	762	394