Cast Iron duo check valve. Stainless Steel spring loaded gates, 316SS disc, EPDM seat and PTFE washer. Wafer design to suit all common flange standards from 50mm to 600mm. These Duo Check Valves are easy to install and maintain and provide great in line back flow prevention in water treatment and general industry applications.

Model	Size (mm)	Orifice (mm)	Media Pressure	Media Temperature
DCVC-50	50	40	0 to 16 BAR	0°C to 100°C
DCVC-65	65	60	0 to 16 BAR	0°C to 100°C
DCVC-80	80	70	0 to 16 BAR	0°C to 100°C
DCVC-100	100	88	0 to 16 BAR	0°C to 100°C
DCVC-125	125	115	0 to 16 BAR	0°C to 100°C
DCVC-150	150	134	0 to 16 BAR	0°C to 100°C
DCVC-200	200	182	0 to 16 BAR	0°C to 100°C
DCVC-250	250	220	0 to 16 BAR	0°C to 100°C
DCVC-300	300	260	0 to 16 BAR	0°C to 100°C
DCVC-350	350	298	0 to 16 BAR	0°C to 100°C
DCVC-400	400	350	0 to 16 BAR	0°C to 100°C
DCVC-500	500	385	0 to 16 BAR	0°C to 100°C
DCVC-600	600	438	0 to 16 BAR	0°C to 100°C

Size	DN	L	D			D1	D2	R	t
Size	DN	L	Table D	Table E	ANSI 150	D1	D2	R	t
2”	50	43	96	96	101	65	40	27	18.4
2 ½”	65	46	109	110	121	80	60	35	19.8
3”	80	64	128	128	134	94	70	42	27.7
4”	100	64	160	156	171	117	88	50	27.7
5”	125	70	192	187	193	145	115	64	30.3
6”	150	76	217	213	219	171	134	77	31.6
8”	200	89	274	267	276	224	182	102.5	32.9
10”	250	114	334	328	336	265	220	125	50.5
12”	300	114	384	375	406	310	260	146	43.3
14”	350	127	444	444	448	360	298	170	45.3
16”	400	140	495	495	511	410	350	195	52.3
18”	450	152	558	558	546	450	385	215	58.2
20”	500	152	615	615	603	505	438	238	58.3
24"	600	178		723		625

All dimensions in mm unless shown otherwise.

Number	Item	Material
1	Body	Cast Iron
2	Disc	316 Stainless Steel
3	Stem	316 Stainless Steel
4	Spring	316 Stainless Steel
5	Washer	PTFE
6	Washer	PTFE
7	O-Ring	EPDM
8	Hex Nut	316 Stainless Steel
9	Seat	EPDM