Lift Check Valves

Widely used in fields such as petroleum, chemical engineering, metallurgy, construction engineering, water supply, etc

Design and manufacturing according to GBT2235 The structural length shall comply with GB/T12221 Flange connection size according to JB/179 Inspection according to JBT092

Keyword:

check valve valve

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Check valve

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sales@elite-valve.cn

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PN63 National standard swing check valve

Nominal Diameter DN(mm	Size(mm)
Nominal Diameter DN(mm	L	D	D1	D2	D6	b-f	F2	Z-Фd	H
50	300	175	135	105	88	26-3	4	4-23	192
65	340	200	160	130	110	28-3	4	8-23	207
80	380	210	170	140	121	30-3	4	8-23	207
100	430	250	200	168	150	32-3	4.5	8-25	235
125	500	295	240	202	176	36-3	4.5	8-30	265
150	550	340	280	240	204	38-3	4.5	8-34	297
200	650	405	345	300	260	44-3	4.5	12-34	357
250	775	470	400	352	313	48-3	4.5	12-41	405
300	900	530	460	412	364	54-4	4.5	16-41	465
350	1025	595	525	475	422	60-4	5	16-41	514
400	1150	670	585	525	474	66-4	5	16-48	568
500	1400	800	705	640	576	70-4	5	20-54	620

PN100 National standard swing check valve

50	300	195	145	112	88	28-3	4	4-25	192
65	340	220	170	138	110	32-3	4	8-25	207
80	380	230	180	148	121	34-3	4	8-25	235
100	430	265	210	172	150	38-3	4.5	8-30	265
125	500	310	250	210	176	42-3	4.5	8-34	313
150	550	350	290	250	204	46-3	4.5	12-34	360
200	650	430	360	312	260	54-3	4.5	12-41	420
250	775	500	430	382	313	60-3	4.5	12-41	480
300	900	585	500	442	364	70-4	4.5	16-48	520
350	1025	655	560	498	422	76-4	5	16-54	584
400	1150	715	620	558	474	80-4	5	16-54	625

PN160 National standard swing check valve

50	300	215	165	132	88	36-3	4	8-25	251
65	340	245	190	152	110	44-3	4	8-30	282
80	380	260	205	168	121	46-3	4	8-30	320
100	430	300	240	200	150	48-3	4.5	8-34	356
125	500	355	285	238	176	60-3	4.5	8-41	393
150	550	390	318	270	204	66-3	4.5	12-41	430
200	650	480	400	345	260	78-3	4.5	12-48	470
250	750	580	485	425	313	88-3	4.5	12-54	514
300	900	665	570	510	364	100-4	4.5	16-54	570

PN250 National standard swing check valve

50	368	210	160	128	70	40-3	5	8-25	310
65	419	260	203	165	97	48-3	5	8-30	346
80	470	290	230	190	116	54-3	5	8-34	385
100	546	360	292	245	138	66-3	6	8-41	406
125	673	385	318	270	170	76-3	6	12-41	534
150	705	440	360	305	190	82-3	66	12-45	560
200	832	535	440	380	245	92-3	6	12-51	318
250	991	670	572	508	319	110-3	6	16-55	673

standard

Design and manufacturing according to GBT2235
The structural length shall comply with GB/T12221
Flange connection size according to JB/179
Inspection according to JBT092

TestPressure

Test Item		Shel Test	Seal Test	Back Seal Test	Air Seal Test
Medjum		Water			Air
Unit		MPa	MPa	MPa	MPa
Nominal Pressure PN(MPa)	1.6	2.4	1.8	1.8	0.5~0.7
	2.5	3.8	2.8	2.8
	4.0	6.0	4.4	4.4
	6.4	9.6	7.0	7.0
	10.0	15.0	11.0	11.0
	16.0	24.0	18.0	18.0

MaterialsforMainParts

Name	Material
Body/Bonnet	CF8	CF3	CF8M	CF3M	WCB	LCB	WC6	WC9	C5
Wedge	CF8	CF3	CF8M	CF3M	WCB	LCB	WC6	WC9	C5
Gasket	PTFF				Graphite
Bolt	Stainless Steel				35CrMoA
Nut	Stainless Steel				45、35CrMoA