Vertical Check Valves

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

Test pressure: nominal pressure (MPa1.6/2.5/4.0; Shell test: 2.4/3.8/6.0; Sealing test: 1.8/2.8/4.4; Valve body material: WCB (Q)/CF8 (P)/CF8M (R)/WC6/WC9; Working temperature: ≤ 425/≤ 100/≤ 100/≤ 550/≤ 550; Applicable media: water, steam, oil, nitric acid, acetic acid. Executive standard: Design and manufacturing: GB12235 Structure length: GB12221 Connecting flange: JB/179-1994 Test and Inspection: JBT092-1999

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valve check valve

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Check valve

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sales@elite-valve.cn

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PN16 National standard lifting check valve

Nominal Diameter DN(mm)	sizeDimension(mm)
Nominal Diameter DN(mm)	L	D	D1	D2	D6	b=f	f1	7- φd	H
15	130	95	65	45		14-2		4- φ14	90
20	150	105	75	55		14-2		4- φ14	105
25	160	115	85	65		14-2		4- φ14	115
32	180	135	100	78		16-2		4- φ18	120
40	200	145	110	85		16-3		4- φ18	130
50	230	160	125	100		16-3		4- φ18	140
65	290	180	145	120		18-3		4- φ18	150
80	310	195	160	135		20-3		8- φ18	170
100	350	215	180	155		20-3		8- φ18	185
125	400	245	210	185		22-3		8- φ18	195
150	480	280	240	210		24-3		8- φ23	225
200	600	335	295	265		26-3		12- φ23	250
250	650	405	355	320		30-3		12- φ25	270
300	750	460	410	375		30-3		12- φ25	300

PN25 National standard lifting check valve

15	130	95	65	45	16-2	4- φ14	90
20	150	105	75	55	16-2	4- φ14	105
25	160	115	85	65	16-2	4- φ14	115
32	180	135	100	78	18-2	4- φ18	120
40	200	145	110	85	18-3	4- φ18	130
50	230	160	125	100	20-3	4- φ18	140
65	290	180	145	120	22-3	8- φ18	150
80	310	195	160	135	22-3	8- φ18	170
100	350	230	190	160	24-3	8- φ23	185
125	400	270	220	188	28-3	8- φ25	195
150	480	300	250	218	30-3	8- φ25	225
200	600	360	310	278	34-3	12- φ25	250
250	650	425	370	335	36-3	12- φ30	270
300	750	485	430	390	40-4	16- φ30	300

PN40 National standard lifting check valve

25	160	115	85	65	58	16-2	4	4- φ14	115
32	180	135	100	78	66	18-2	4	4- φ18	120
40	200	145	110	85	76	18-3	4	4- φ18	130
50	230	160	125	100	88	20-3	4	4- φ18	140
65	290	180	145	120	110	22-3	4	8- φ18	150
80	310	495	160	135	121	22-3	4	8- φ18	170
100	350	230	190	160	150	24-3	4.5	8- φ23	185
125	400	270	220	188	176	28-3	4.5	8- φ25	195
150	480	300	250	218	204	30-3	4.5	8- φ25	225
200	600	375	320	282	260	38-3	4.5	12- φ30	250

PN64 National standard lifting check valve

15	170	105	75	55	40	18-2	4	4- φ14	110
20	190	125	90	68	51	20-2	4	4- φ18	125
25	210	135	100	78	58	22-2	4	4- φ18	152
32	230	150	110	82	66	24-2	4	4- φ23	168
40	260	165	125	95	76	24-3	4	4- φ23	170
50	300	175	135	105	88	26-3	4	4- φ23	188
65	340	200	160	130	110	28-3	4	8- φ23	205
80	380	210	170	140	121	30-3	4	8- φ23	230
100	430	250	200	168	150	32-3	4.5	8- φ25	280
125	500	295	240	202	176	36-3	4.5	8- φ30	300
150	550	340	280	240	204	38-3	4.5	8- φ34	350
200	650	405	345	300	260	44-3	4.5	12- φ34	400

Purpose

This valve is used as a device to prevent reverse flow of medium on industrial pipelines.

Theperformancespecification

Test pressure: nominal pressure (MPa1.6/2.5/4.0;
Shell test: 2.4/3.8/6.0;
Sealing test: 1.8/2.8/4.4;
Valve body material: WCB (Q)/CF8 (P)/CF8M (R)/WC6/WC9;
Working temperature: ≤ 425/≤ 100/≤ 100/≤ 550/≤ 550;
Applicable media: water, steam, oil, nitric acid, acetic acid.
Executive standard: Design and manufacturing: GB12235 Structure length: GB12221
Connecting flange: JB/179-1994
Test and Inspection: JBT092-1999

PN16 National standard vertical check valve

Nominal Diameter DN(mm)	Dimension(mm)
Nominal Diameter DN(mm)	L	D	D1	D2	b-f	z-Фd
15	80	95	65	45	14-2	4- φ14
20	95	105	75	55	14-2	4- φ14
25	105	115	85	65	14-2	4- φ14
32	150	135	100	78	16-2	4- φ18
40	160	145	110	85	16-3	4- φ18
50	170	160	125	100	16-3	4- φ18
65	180	180	145	120	18-3	4- φ18
80	200	195	160	135	20-3	8- φ18
100	210	215	180	155	20-3	8- φ18
125	275	245	210	185	22-3	8- φ18
150	300	280	240	210	24-3	8- φ23
200	380	335	295	265	26-3	12- φ23
250	450	405	355	320	30-3	12- φ25