Carbon Steel Swing Check Valve

Features:

Bolted bonnet with eyebolt on cover

Trim and gasket replaceable

Swing disc and metal sealing

Design according to API 6D, BS 1868, ISO 14343

Material : cast steel, stainless steel, ally steel

Size range : 2″ to 36″

Pressure range : 150lb, 300lb, 600lb, 900lb

Material List:

No.	Part Name	ASTM Material
		WCB	WC6	LCB
1	Body	WCB	WC6	LCB
2	Bonnet	WCB	WC6	LCB
3	Disc	A105+Cr13	F11+HF	LF2+Cr13
4	Hinge	WCB	WC6	LCB
5	Support	WCB	WC6	LCB
6	Seat Ring	A105+Cr13	F11+HF	LF2+Cr13
7	Hinge Pin	SS420	SS304	SS420
8	Disc Washer	C.S.	SS304	C.S.
9	Disc Nut	A194 2H	A194 7	A194 4
10	Disc Nut Pin	C.S.	SS420	C.S.
11	Gasket	304+Graphite
12	Stud	B7	B16	L7
13	Nut	A194 2H	A194 7	A194 4
14	Eyebolt	C.S.

Dimension List:

Dimensions ANSI Class 150LB
NPS(inch)	2	2-1/2	3	4	6	8	10	12	14	16	18	20	24	26	28	30	36
DN(mm)	50	65	80	100	150	200	250	300	350	400	450	500	600	650	700	750	900
L/L1       (RF/BW)	203	216	241	292	356	495	622	699	787	864	978	978	1295	1295	1448	1524	1956
L2(RTJ)	216	229	254	305	368	508	635	711	800	876	991	991	1308	╲	╲	╲	╲

Dimensions ANSI Class 300LB
NPS(inch)	2	2-1/2	3	4	6	8	10	12	14	16	18	20	24	26	28	30	36
DN(mm)	50	65	80	100	150	200	250	300	350	400	450	500	600	650	700	750	900
L/L1 (RF/BW)	267	292	318	356	445	533	622	711	838	864	978	1016	1346	1346	1499	1594	2083
L2(RTJ)	283	308	333	371	460	549	638	727	854	879	994	1035	1368	1372	1524	1619	╲

Dimensions ANSI Class 600LB
NPS(inch)	2	2-1/2	3	4	6	8	10	12	14	16	18	20	24	26	28	30
DN(mm)	50	65	80	100	150	200	250	300	350	400	450	500	600	650	700	750
L/L1 (RF/BW)	292	330	356	432	559	660	787	838	889	991	1092	1194	1397	1448	1600	1651
L2(RTJ)	295	333	359	435	562	664	791	841	892	994	1095	1200	1407	1461	1613	1664

Dimensions ANSI Class 900LB
NPS(inch)	2	2-1/2	3	4	6	8	10	12	14	16	18	20
DN(mm)	50	65	80	100	150	200	250	300	350	400	450	500
L/L1 (RF/BW)	368	419	381	457	610	737	838	965	1029	1130	1219	1321
L2(RTJ)	371	422	384	460	613	740	841	968	1038	1140	1232	1334

Applications:

Oil and gas industry, water and waste water pipeline.