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Home > Products > Check valve > Lift check valveH41H

Description Material Performance Product Size Specifications

Lift check valve flow refers to rely on the media itself, and automatically open and close the disc, the valve is used to prevent the backflow medium, also called the non-return valve, check valve, flow valve, and the back pressure valve. Check valve belongs to a kind of automatic valve, its main role is to prevent the backflow medium, to prevent the pump and drive motor reversal, and the discharge of the container medium. Check valve can also be used to give the pressure could rise to more than the system pressure of the secondary system supply piping. Main can be divided into swing check valve check valve (in accordance with the center of gravity rotating) and lift check valve (mobile) along the axis.

Order note:
If there is no selected model, please provide detailed parameters, such as medium, temperature, pressure, caliber, material and so on. Our technicians will select for you
Two. Provided that the selected model is available according to the selected model
Three, non standard products need to provide samples or confirmed by drawings
Note: the information is for reference only, or incomplete, so please feel sorry for the inconvenience. The company can choose according to different requirements and parameters. The company has a variety of sizes, pressure, different materials, connections, drive mode, to meet the different needs of various types of gate valve. Please contact 021-6651 8677 or consult online.

Body, cover, plate	The valve stem	Sealing surface	gasket	Sealing surface	Working temperature ℃	Applicable medium
WCB	WCB	1Cr13	Reinforced flexible graphite 1 cr13 / flexible graphite PTFE Gear gasket	13 cr STL This material nylon	≤425	Water vapor oil
WC6	WC6				≤540
WC9	WC9				≤570
ZGCr5Mo	ZGCr5Mo				≤550
ZG1Cr18Ni9Ti	ZG1Cr18Ni9Ti	ZG1Cr18Ni9Ti			≤200	Nitrate class
ZG1Cr18Ni12Mo9Ti	ZG1Cr18Ni12Mo9Ti	ZG1Cr18Ni12Mo9Ti			≤200	Nitrate class

Nominal pressure	1.6	2.5	4.0	6.4	10.0	16.0
Strength test	2.4	3.8	6.0	9.6	15.0	24.0
Water seal test	1.8	2.8	4.4	7.0	11.0	18.0
Gas seal test	0.5-0.7

1.6MPa	DN	L	D	D1	D2	b	n-Φd	H	W(kg)
Convex flange RF H41H H41Y H41W H41N 16C 16P 16R	15	130	95	65	45	14	4-14	58	2.0
	20	150	105	75	55	14	4-14	63	2.7
	25	160	115	85	65	14	4-14	71	3.5
	32	180	135	100	78	16	4-18	84	5.4
	40	200	145	110	85	16	4-18	96	6.5
	50	230	160	125	100	16	4-18	115	9.1
	65	290	180	145	120	18	4-18	145	14
	80	310	195	160	135	20	8-18	156	25
	100	350	215	180	155	20	8-18	170	40
	125	400	245	210	185	22	8-18	201	56
	150	480	280	240	210	24	8-23	238	90
2.5MPa	15	130	95	65	45	16	4-14	60	4
Convex flange RF H41H H41Y H41W H41N 25 25P 25R	20	150	105	75	55	16	4-14	64	5
	25	160	115	85	65	16	4-14	68	6
	32	180	135	100	78	18	4-18	79	9
	40	200	145	110	85	18	4-18	98	12
	50	230	160	125	100	20	4-18	110	16
	65	290	180	145	120	22	8-18	160	24
	80	310	195	160	135	22	8-18	170	31
	100	350	230	190	160	24	8-23	195	45
	125	400	270	220	188	28	8-25	225	68
	150	480	300	250	210	30	8-25	255	100
4.0MPa	DN	L	D	D1	D2	b	n-d	H	重量
Concave and convex flange MFM H41H H41Y H41W H41N 40 40P 40R 40I	15	130	95	65	40	16	4-14	100	4
	20	150	105	75	51	16	4-14	105	5
	25	160	115	85	58	16	4-14	120	6
	32	180	135	100	66	18	4-18	130	9
	40	200	145	110	76	18	4-18	135	12
	50	230	160	125	88	20	4-18	149	15
	65	290	180	145	110	22	8-18	164	18
	80	310	195	160	121	22	8-18	169	25
	100	350	230	190	150	24	8-23	194	35
	125	400	270	220	176	28	8-25	225	65
	150	480	300	250	204	30	8-25	255	100
	15	210	105	75	40	18	4-14	100	7
Concave and convex flang MFM H41H H41Y H41W H41N 64 64P 64R 64I	20	230	125	90	51	20	4-18	110	11
	25	230	135	100	58	22	4-18	125	13
	32	260	150	110	66	24	4-23	152	14
	40	260	165	125	76	24	4-23	168	20
	50	300	175	135	88	26	4-23	170	23
	65	340	200	160	110	28	823	188	37
	80	380	210	170	121	30	8-23	205	46
	100	430	250	200	150	32	8-25	230	68
	125	500	295	240	176	36	8-30	245	93
	150	550	340	280	204	38	8-34	265	120
	15	210	105	75	40	20	4-14	100	7
Concave and convex flang MFM H41H H41Y H41W H41N 100 100P 100R 100I	20	230	125	90	51	22	4-18	110	11
	25	230	135	100	58	24	4-18	125	13
	32	260	150	110	66	24	4-23	140	14
	40	260	165	125	76	26	4-23	168	25
	50	300	195	145	88	28	4-25	170	28
	65	340	200	170	110	32	8-25	188	42
	80	380	230	180	121	34	8-25	205	65
	100	430	265	210	150	38	8-30	230	95
	125	500	310	250	176	42	8-34	245	115
	150	550	350	290	204	46	12-34	265	142

type	Design and manufacture	The length of the structure	Flange dimensions	Pressure and temperature	Test - inspection
Swing check valves	GB12236	GB12221	GB9113 JB79	GB9131	GB/T13927 JB/9092
Lift check valve	GB12235	GB12221	GB9113 JB79	GB9131	GB/T13927 JB/9092

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