Swing Check Valve

Swing Check Valve

⍉ Swing Check Design:Disc swings with flow direction to allow automatic operation.

⍉ Automatic Backflow Prevention:Prevents reverse flow and protects pipeline systems.

⍉ Low Flow Resistance:Provides smooth flow with minimal pressure loss.

⍉ Reliable Sealing Performance:Ensures tight sealing when flow stops.

⍉ Durable Construction:Resistant to wear and suitable for long-term use.

⍉ Wide Application:Suitable for water, oil, steam, and other media.

Administer Standard

Type	Design and Manufacture	Face to Face	Flange Dimension	Pressure-Temperature Rating	Inspection and Test
Swing Check Valve	GB 12236	GB 12221	JB 79 / HG/T 20592	GB 9131 / GB/T 12224	GB/T 13927-2008 / GB/T 26480-2011
Lift Check Valve	GB 12235	GB 12221	JB 79 / HG/T 20592	GB 9131 / GB/T 12224	GB/T 13927-2008 / GB/T 26480-2011

Pressure Test

Nominal Pressure	MPa	1.6	2.5	4.0	6.4	10.0	16.0
Shell Test	MPa	2.4	3.75	6.0	9.6	15.0	24.0
Water Seal Test	MPa	1.6	2.5	4.0	6.4	10.0	16.0
Air Seal Test	MPa	0.4–0.7	0.4–0.7	0.4–0.7	0.4–0.7	0.4–0.7	0.4–0.7

Main Part Materials and Property

Body / Cover / Disc	Slide Way Bush	Hinge Pin	Sealing Shim	Sealing Face	Suitable Temperature (°C)	Suitable Medium
WCB	WCB	1Cr13	Flexible Graphite / Stainless Steel / Acid-proof Asbestos Gasket	13Cr / STL / Body Material / PTFE / Nylon	≤425	Water, Steam, Oil
WC6	WC6	1Cr13	Flexible Graphite / Stainless Steel / Acid-proof Asbestos Gasket	13Cr / STL / Body Material / PTFE / Nylon	≤540	Water, Steam, Oil
WC9	WC9	1Cr13	Flexible Graphite / Stainless Steel / Acid-proof Asbestos Gasket	13Cr / STL / Body Material / PTFE / Nylon	≤570	Water, Steam, Oil
ZGCr5Mo	2GCr5Mo	1Cr13	Enhanced Flexible Graphite	13Cr / STL / Body Material / PTFE / Nylon	≤550	Water, Steam, Oil
ZG1Cr18Ni9Ti	ZG1Cr18Ni9Ti	1Cr18Ni9Ti	Flexible Graphite / Stainless Steel / Acid-proof Asbestos Gasket	13Cr / STL / Body Material / PTFE / Nylon	≤200	Nitric Acid
ZG1Cr18Ni12Mo2Ti	ZG1Cr18Ni12Mo2Ti	1Cr18Ni12Mo2Ti	Flexible Graphite / Stainless Steel / Acid-proof Asbestos Gasket	13Cr / STL / Body Material / PTFE / Nylon	≤200	Acetic Acid

Swing Check Valve

Main Outline dimension

Unit:mm

Type: H44H-16C / H44W-16P / H44Y-16I

DN	L	D	D1	D2	b	n-Φd	H
50	230	160	125	100	16	4-Φ18	135
65	290	180	145	120	18	4-Φ18	142
80	310	195	160	135	20	8-Φ18	165
100	350	215	180	155	20	8-Φ18	180
125	400	245	210	185	22	8-Φ18	210
150	480	280	240	210	24	8-Φ23	233
200	550	335	295	265	26	12-Φ23	304
250	650	405	355	320	30	12-Φ25/26	348
300	750	460	410	375	30	12-Φ25/26	390
350	850	520	470	435	34	16-Φ25/26	430
400	950	580	525	485	36	16-Φ30	468
500	1150	705	650	608	44	20-Φ34	525
600	1350	840	770	718	48	20-Φ36/41	-
700	1450	910	840	788	50	24-Φ36/41	-
800	1650	1020	950	898	52	24-Φ41	-

Type: H44H-25C / H44W-25P / H44Y-25I

DN	L	D	D1	D2	b	n-Φd	H
50	230	160	125	100	20	4-Φ18	160
65	290	180	145	120	22	8-Φ18	175
80	310	195	160	135	22	8-Φ18	185
100	350	230	190	160	24	8-Φ23	220
125	400	270	220	188	28	8-Φ25/26	248
150	480	300	250	218	30	8-Φ25/26	276
200	550	360	310	278	34	12-Φ25/26	350
250	650	425	370	332	36	12-Φ30	410
300	750	485	430	390	40	16-Φ30	430
350	850	550	490	448	44	16-Φ34/36	518
400	950	610	550	505	48	16-Φ34/36	560
500	1150	730	660	610	52	20-Φ36/41	618
600	1350	840	770	718	56	20-Φ41	-
700	1450	955	875	815	60	24-Φ42/48	-
800	1650	1070	990	930	64	24-Φ48	-

Type: H44H-40C / H44W-40P / H44Y-40I

DN	L	D	D1	D2	D6	b	n-Φd	H
50	230	160	125	100	88	20	4-Φ18	160
65	290	180	145	120	110	22	8-Φ18	175
80	310	195	160	135	121	22	8-Φ18	185
100	350	230	190	160	150	24	8-Φ23	220
125	400	270	220	188	176	28	8-Φ25	248
150	480	300	250	218	204	30	8-Φ25	270
200	550	375	320	282	260	38	12-Φ30	350
250	650	445	385	345	313	42	12-Φ34	410
300	750	510	450	408	364	46	16-Φ34	430
350	850	570	510	465	422	52	16-Φ34	518
400	950	655	585	535	474	58	16-Φ41	560
500	1150	755	670	612	576	62	20-Φ42	-
600	1350	890	795	730	678/676	62	20-Φ48/54	-

Type: H44H-64C / H44W-64P / H44Y-64I

DN	L	D	D1	D2	D6	b	n-Φd	H
50	300	175	135	105	88	26	4-Φ23	177
65	340	200	160	130	110	28	8-Φ23	197
80	380	210	170	140	121	30	8-Φ23	212
100	430	250	200	168	150	32	8-Φ25	248
125	500	295	240	202	176	36	8-Φ30	296
150	550	340	280	240	204	38	8-Φ34	330
200	650	405	345	300	260	44	12-Φ34	385
250	775	470	400	352	313	48	12-Φ36/41	445
300	900	530	460	412	364	54	16-Φ36/41	474
350	1025	595	525	475	422	60	16-Φ41	514
400	1150	670	585	525	474	66	16-Φ42/48	616
500	1400	800	705	640	576	70	20-Φ48/54	-

Type: H44H-100C / H44W-100P / H44Y-100I

DN	L	D	D1	D2	D6	b	n-Φd	H
50	300	195	145	112	88	28	4-Φ25	210
65	340	220	170	138	110	32	8-Φ25	227
80	380	230	180	148	121	34	8-Φ25	235
100	430	265	210	172	150	38	8-Φ30	274
125	500	310	250	210	176	42	8-Φ34	307
150	550	350	290	250	204	46	12-Φ34	347
200	650	430	360	312	260	54	12-Φ36/41	402
250	775	500	430	382	313	60	12-Φ41	432
300	900	585	500	442	364	70	16-Φ42/48	484
400	1150	715	620	558	474	80	16-Φ48/54	-

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