Wafer Check Valves

Affordable alternative for flanged pipelines where full opening is not required
Designed to bolt between flanges and keep fluid flowing in the proper direction
Available in carbon steel or stainless steel with "snakeskin" pattern for better seal
Available in thin or thick body
2” through 12” sizes standard
Available with trim conforming to NACE MR-01-75

Valve Size* (in)	Class	Working Pressure	OD	ID	Body Thickness (in)	Weight (lb)	Part Number**
2	150	275	4 1/8	1	3/4	3	WCS-2-150
2	300	720	4 3/8	1	3/4	3.5	WCS-2-300
2	600	1440	4 3/8	1	3/4	4.5	WCS-2-600
2	900	2160	5 5/8	1	3/4	5	WCS-2-900
2	1500	3600	5 5/8	1 1/16	3/4	6	WCS-2-1500
3	150	275	5 3/8	1 3/4	3/4	5	WCS-3-150
3	300	720	5 7/8	1 3/4	3/4	6	WCS-3-300
3	600	1440	5 7/8	1 3/4	3/4	7.5	WCS-3-600
3	900	2160	6 5/8	1 3/4	3/4	9	WCS-3-900
3	1500	3600	6 7/8	1 5/8	7/8	12	WCS-3-1500
4	150	275	6 7/8	2 5/8	3/4	6.5	WCS-4-150
4	300	720	7 1/8	2 5/8	3/4	8	WCS-4-300
4	600	1440	7 5/8	2 5/8	7/8	11	WCS-4-600
4	900	2160	8 1/8	2 5/8	7/8	12.5	WCS-4-900
4	1500	3600	8 1/4	2 1/2	1 1/4	18	WCS-4-1500
6	150	275	8 3/4	4 3/8	3/4	13	WCS-6-150
6	300	720	9 7/8	4 3/8	7/8	15	WCS-6-300
6	600	1440	10 1/2	4	1 1/8	22	WCS-6-600
8	150	275	11	6	1 1/8	26	WCS-8-150
8	300	720	12 1/8	6	1 1/8	30	WCS-8-300
8	600	1440	12 5/8	5	1 1/2	40	WCS-8-600
10	150	275	13 3/8	7 3/4	1 1/8	37	WCS-10-150
10	300	720	14 1/4	7 3/4	1 1/2	54	WCS-10-300
10	600	1440	15 3/4	6 7/8	2 1/4	110	WCS-10-600
12	150	275	16 1/8	9 1/2	1 1/2	71	WCS-12-150
12	300	720	16 5/8	9 1/2	2	97	WCS-12-400
12	600	1440	18	8 1/2	2 3/8	145	WCS-12-600

Valve Size* (in)	Class	Working Pressure	OD	ID	Body Thickness (in)	Weight (lb)	Part Number
2	150	275	4.13	1	0.75	3	WCSS-2-150
2	300	720	4.38	1	0.75	3	WCSS-2-300
2	600	1440	4.38	1	0.75	3	WCSS-2-600
2	900	2160	5.63	1	0.75	5	WCSS-2-900
2	1500	3600	5.63	1	0.75	6	WCSS-2-1500
3	150	275	5.38	1.75	0.75	4	WCSS-3-150
3	300	720	5.63	1.75	0.75	5	WCSS-3-300
3	600	1440	5.63	1.75	0.75	5	WCSS-3-600
3	900	2160	6.63	1.75	0.75	7	WCSS-3-900
3	1500	3600	6.88	1.75	0.88	10	WCSS-3-1500
4	150	275	6.88	2.63	0.75	7	WCSS-4-150
4	300	720	7.13	2.63	0.75	7	WCSS-4-300
4	600	1440	7.63	2.63	0.88	10	WCSS-4-600
4	900	2160	8.13	2.63	0.88	12	WCSS-4-900
4	1500	3600	8.25	2.63	1.25	17	WCSS-4-1500
6	150	275	8.75	4.38	0.75	13	WCSS-6-150
6	300	720	9.88	4.38	0.88	15	WCSS-6-300
6	600	1440	10.5	4	1.13	22	WCSS-6-600
8	150	275	11	6	1.13	26	WCSS-8-150
8	300	720	12.13	6	1.13	30	WCSS-8-300
8	600	1440	12.63	5	1.5	40	WCSS-8-600
10	150	275	13.38	7.75	1.13	37	WCSS-10-150
10	300	720	14.25	7.75	1.5	54	WCSS-10-300
10	600	1440	15.75	6.88	2.25	110	WCSS-10-600
12	150	275	16.13	9.5	1.5	71	WCSS-12-150
12	300	720	16.63	9.5	2	97	WCSS-12-300
12	600	1440	18	8.5	2.38	145	WCSS-12-600

Valve Size* (in)	Class	Working Pressure	OD	ID	Body Thickness (in)	Weight (lb)	Part Number
2	150	275	4.13	1.53	2.38	8	LWCS-2-150
2	600	1440	4.38	1.53	2.38	9	LWCS-2-600
3	150	275	5.38	2.06	2.88	14	LWCS-3-150
3	600	1440	5.88	2.06	2.88	18	LWCS-3-600
4	150	275	6.88	3.03	2.88	21	LWCS-4-150
4	600	1440	7.63	3.03	3.13	33	LWCS-4-600
6	150	275	8.75	4.75	3.88	30	LWCS-6-150
6	600	1440	10.5	4.75	5.38	62	LWCS-6-600
8	600	1440	12.63	6.44	6.5	167	LWCS-8-600
10	600	1440	15.75	7.63	8.38	354	LWCS-10-600
12	150	275	16.13	9.5	7.12	145	LWCS-12-150
12	600	1440	18	9.5	9	465	LWCS-12-600