Standard cut - off valve stainless steel flange cut - off valve J41W

Date：[2016-10-19] hits： Standard cut - off valve stainless steel flange cut - off valve J41W

Stainless steel flange cut - off valve J41W

The valve stem axis of the shut-off valve is perpendicular to the valve seat sealing surface. The stem opens or closes with a relatively short stroke and a very reliable shut-off action, making it ideal for cutting or throttling and throttling media.

Once the valve flap valve is open, its valve seat and valve sealing surface is no longer between the contact, and has a very reliable cutting action, the valve is very suitable for this as a medium cut off or regulation and section Stream to use. This type of valve in the pipeline should generally be installed horizontally.

Once the cut-off valve is in the open state, its valve seat and the valve sealing surface is no longer between the contact, so its sealing surface mechanical wear is small, because most of the valve seat and valve easier to repair or replace The sealing element eliminates the need to remove the entire valve from the line, which is suitable for applications in which the valve and the pipeline are welded together. Media through the flow direction of such a valve has changed, so cut-off valve flow resistance is higher than other valves.

Cut-off valve, also known as the door, is the most widely used of a valve, it is popular, is due to the process of opening and closing the sealing surface friction between the small, more durable, open height is not high, easy manufacturing, maintenance Convenient, not only for low pressure, but also for high pressure.

Closing principle of the closing valve is to rely on the valve stem pressure, so that valve sealing surface and the valve seat sealing surface close fit to prevent the flow of media.

Cut-off valve only medium one-way flow, the installation direction. The structural length of the cut-off valve is larger than the gate valve, and the fluid resistance is large, and the reliability of the sealing is not strong in the long-term operation.

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Performance specification：
Nominal pressure PN	1.6	2.5	4.0	6.4	MPa
Shell test pressure PT	2.4	3.75	6.0	9.6
High - pressure sealing test pressure	1.76	2.75	4.4	7.04
Low - pressure gas - tight test pressure	0.5-0.7
Applicable media	C		P.R		N
	Water, oil, steam		Nitric acid, acetic acid		Liquefied gas
proper temperature	＜425℃		＜200℃		-40℃～+80℃

Main dimensions and connection dimensions [J41H J41Y J41W J41N J41B]： http://www.quanliv.com
PN	DN	L	H	H1	D	D1	D2	D6	b	f	f1	Z-φd	D0	weight （Kg）
1.6MPa	10	130	218	228	90	60	40	-	14	2	-	4-14	120	6
	15	130	220	230	95	65	45	-	14	2	-	4-14	120	7
	20	150	262	275	105	75	55	-	14	2	-	4-14	140	9
	25	160	282	295	115	85	65	-	14	2	-	4-14	160	13
	32	180	315	335	135	100	78	-	16	2	-	4-18	160	17
	40	200	355	280	145	110	95	-	16	3	-	4-18	200	20
	50	230	374	398	160	125	100	-	16	3	-	4-18	240	25
	65	290	408	433	180	145	120	-	18	3	-	4-18	280	36
	80	310	436	468	195	160	135	-	20	3	-	8-18	320	48
	100	350	480	520	215	180	155	-	20	3	-	8-18	360	70
	125	400	505	556	245	210	185	-	22	3	-	8-18	400	90
	150	480	612	674	280	240	210	-	24	3	-	8-23	400	145
	200	600	721	806	335	295	265	-	26	3	-	8-23	400	240
2.5MPa	10	130	218	228	90	60	40	-	16	2	-	4-14	120	6
	15	130	220	230	95	65	45	-	16	2	-	4-14	120	7
	20	150	262	275	105	75	55	-	16	2	-	4-14	140	9
	25	160	280	295	115	85	65	-	16	2	-	4-14	160	13
	32	180	315	335	135	100	78	-	18	2	-	4-18	160	17
	40	200	355	280	145	110	85	-	18	3	-	4-18	200	20
	50	230	374	398	160	125	100	-	20	3	-	4-18	240	25
	65	290	408	433	180	145	120	-	22	33	-	8-18	280	36
	80	310	436	468	195	160	135	-	22	3	-	8-16	320	48
	100	350	480	520	230	190	160	-	24	3	-	8-23	360	70
	125	400	505	556	270	220	188	-	28	3	-	8-25	400	90
	150	480	612	674	300	250	218	-	30	3	-	8-25	400	145
	200	600	721	806	360	310	278	-	34	3	-	12-25	400	240
4.0MPa	10	130	220	230	90	60	40	35	16	2	4	4-14	120	6
	15	130	228	230	95	65	45	40	16	2	4	4-14	120	7
	20	150	262	275	105	75	55	51	16	2	4	4-14	140	9
	25	160	280	295	115	85	65	53	16	2	4	4-14	160	13
	32	180	290	308	135	100	78	66	18	3	4	4-18	160	17
	40	200	330	354	145	110	85	76	18	3	4	4-18	200	20
	50	230	350	380	160	125	100	88	20	3	4	4-18	240	25
	65	290	400	420	180	145	120	110	22	3	4	8-18	280	36
	80	310	430	462	195	160	135	121	22	3	4	8-18	320	48
	100	350	465	506	230	190	160	150	24	3	4.5	8-23	360	70
	125	400	505	556	270	220	188	176	28	3	4.5	8-25	400	90
	150	480	611	692	300	250	218	204	30	3	4.5	8-25	400	145
6.4MPa	15	170	195	210	105	75	55	41	18	3	4	4-14	140	7
	20	190	228	248	125	90	68	51	20	3	4	4-18	160	9
	25	210	250	275	135	100	78	58	22	3	4	4-18	180	13
	32	230	325	355	150	110	82	66	24	3	4	4-23	200	17
	40	260	360	395	165	125	95	76	24	3	4	4-23	240	20
	50	300	410	450	175	135	105	88	26	3	4	4-23	280	35
	65	340	450	494	200	160	130	110	28	3	4	8-23	320	48
	80	390	485	531	210	170	140	121	30	3	4	8-23	360	50
	100	450	537	580	250	200	162	150	32	3	4.5	8-25	400	125
10MPa	15	170	195	210	105	75	55	40	20	3	4	4-14	100	7
	20	190	228	248	125	90	58	51	22	3	4	4-18	120	10
	25	210	250	275	135	100	78	58	24	3	4	4-18	160	14
	32	230	326	348	150	110	82	66	24	3	4	4-23	200	22
	40	260	359	383	165	125	95	76	26	3	4	4-23	240	30
	50	300	414	448	195	145	112	88	28	3	4	4-25	280	40
	65	340	434	477	200	170	138	110	32	3	4	8-25	320	65
	80	390	547	538	230	180	148	121	34	3	4	8-25	400	92
	100	450	621	685	265	210	172	150	38	3	4.5	8-30	450	125
16MPa	15	170	230	240	110	75	62	35	24	3	4	4-18	200	10
	20	190	260	272	130	90	62	45	26	3	4	4-23	250	14
	25	210	280	295	140	100	72	50	28	3	4	4-23	250	17
	32	230	315	335	165	115	85	65	30	3	4	4-25	360	25
	40	260	350	375	175	125	92	75	32	3	4.5	4-27	350	33
	200	600	722	831	375	320	282	260	38	3		12-30	400	240

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Standard cut - off valve stainless steel flange cut - off valve J41W

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