American Standard Swing Check Valve

China Swing Check Valve manufacturer Xinhai offers American Standard Swing Check Valves in ASTM A216WCB, DN50-DN1000, 150-1500LB, ANSI B16.34, API 6D.

This American standard swing check valve is designed and manufactured according to American National Standards (ANSI B16.34) and American Petroleum Institute (API16D). Swing disc with straight channel which can be installed in both horizontal and vertical pipelines. The inner hinge pin can avoid external leakage. Bolted bonnet design. When pressure is higher than Class 600Lb, pressure self-sealing structure is adopted, which can reduce the valve weight and have reliable seal.

Standards (fire proof & antistatic)

Type	Design & Manufacture	Face to Face	Flange Dimension	Pressure & Temperature	Test & Examination
Swing Check Valve Lift Check Valve	ANSI B16.34 BS1868	ANSI B16.10	ANSI B16.5a	ANSI B16.34	API 598

Pressure Test：

Nominal Pressure	Shell Test		Water Seal Test		Air Seal Test
Nominal Pressure	MPa	Lbf/in2	MPa	Lbf/in2	MPa	Lbf/in2
150	3.1	450	2.2	315	0.5～0.7	60～100
300	7.8	1125	5.6	815
600	15.3	2225	11.2	1630
900	23.1	3350	16.8	2440

Component Materials：

Body	ASTM A216WCB								ASTMA351 CF8
Disc & Yoke	WCB			CF8		CF8M		Monel	ASTMA351 CF8
Hinge Pin	F6a			F304		F316		Monel	F304
Disc Surface	13Cr	13Cr	STL	304	STL	316	STL	Monel	304	304	STL
Seat Surface	13Cr	STL	STL	304	STL	316	STL	Monel	304	STL	STL
Body	ASTM A351 CF3					ADTM A351 CF8M			ASTM A351 CF8
Disc & Yoke	ASTM A351 CF3					ADTM A351 CF8M			ASTM A351 CF8
Hinge Pin	F304L					F316L			F316
Disc Surface	304L			304L	STL	316	316	STL	316L	316L	STL
Seat Surface	304L			STL	STL	316	STL	STL	316L	STL	STL

Main Dimensions：

150Lb

Sizes	inch	2"	2-1/2"	3"	4"	5"	6"	8"	10"	12"	14"	16"	18"	20"	24"
Sizes	DN	50	65	80	100	125	150	200	250	300	350	400	450	500	600
L	mm	203	216	241	292	330	356	495	622	699	787	914	978	978	1275
H	mm	142	166	178	236	252	266	314	368	429	455	410	560	600	880

300Lb

Sizes	inch	2"	2-1/2"	3"	4"	5"	6"	8"	10"	12"	14"	16"	18"	20"	24"
Sizes	DN	50	65	80	100	125	150	200	250	300	350	400	450	500	600
L	mm	267	292	318	356	400	444	533	622	711	838	864	978	1016	1346
H	mm	165	185	205	228	250	275	325	378	410	480	530	575	630	860

400Lb

Sizes	inch	2"	2-1/2"	3"	4"	5"	6"	8"	10"	12"	14"	16"	18"	20"
Sizes	DN	50	65	80	100	125	150	200	250	300	350	400	450	500
L	mm	292	330	356	406	457	495	597	673	762	889	902	1016	1054
H	mm	190	203	229	267	292	330	381	406	457	528	546	597	635

600Lb

Sizes	inch	2"	2-1/2"	3"	4"	5"	6"	8"	10"	12"	14"	16"	18"	20"	24"
Sizes	DN	50	65	80	100	125	150	200	250	300	350	400	450	500	600
L	mm	292	330	356	432	508	559	660	787	838	889	991	1092	1194	1397
H	mm	203	229	235	286	292	330	381	457	584	835	684	752	975	1111

900Lb

Sizes	inch	2"	2-1/2"	3"	4"	5"	6"	8"	10"	12"	14"	16"
Sizes	DN	50	65	80	100	125	150	200	250	300	350	400
L	mm	368	419	381	457	559	610	737	838	965	1029	1130
H	mm	216	254	292	318	343	368	432	546	660	782	838