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low temperature extension stem stop valve

the release date：[2017-08-07] hits

national standard flange valve. main features: chief feature

1. streamlined, with a bar with a bracket 1.streamline outside screw and yoke
2. in the flange bolted 2. bolted bonnet
3. sleeve connection valve 3.loose disc
4. lifting valve stem and hand wheel 4.rising stem and hand wheel
5. bracket and bonnet integrated 5.yoke integral with bonnet
6. bevel gear operation optional 6.avail able with gear operator
7. standard flange connection 7.flanged ends

national standard flange stop valve product specification

stainless steel flange stop valve

product specification

product

specification

design specification

design spec

structure length

face to face

connecting flange

flanged end

test and test

test & check

pressure - temperature pressure-temp

product identification

supply specification

supply

gb / t 12235

gb / t 12221

jb / t 79

jb / t 9092

gb / t 9131

gb / t 12220

jb / t 7928

main flange parts of the valve

零件名称	零部件材料part material				part name
阀体/阀盖	wcb	zgcr5mo	zg1cr18ni9ti	zg1cr18ni12mo2ti	body/bonnet
阀瓣	wcb	25cr2mov	1cr18ni9ti	1cr18ni12mo2ti	disk
阀杆	2cr13	25cr2mov	1cr18ni9ti	1cr18ni12mo2ti	stem
填料	柔性石墨/ flexible graphite		聚四氟乙烯/ptfe		packing
垫片	18-8柔性石墨/18-8flexible graphite				gasket
螺栓	35/35crmo	25cr2mov	1cr18ni9ti	1cr18ni9	bolt
适用温度	-29~425℃	-29~425℃	-40~200℃	-40~200℃	suitable temp
适用介质	水，油品，蒸汽 water，oil，steam	蒸汽，油品 steam，oil	硝酸类 nitric acid	醋酸类 acetic acid	suitable medium

国标法兰截止阀主要外形和连接尺寸main external and connection

主要外形和连接尺寸main external and connection dimension 单位unit：mm

型号	公称通径	尺寸 (mm)
j41w-1.6mpa	公称通径	l	d	d1	d2	b-f	z-φd	h	d0
	15	130	95	65	45	14-2	4-14	195	100
	20	150	105	75	55	14-2	4-14	215	120
	25	160	115	85	65	14-2	4-14	240	140
	32	180	135	100	78	16-2	4-18	250	160
	40	200	145	110	85	16-3	4-18	285	200
	50	230	160	125	100	16-3	4-18	300	220
	65	290	180	145	120	18-3	4-18	345	240
	80	310	195	160	135	20-3	8-18	350	280
	100	350	215	180	155	20-3	8-18	410	320
	125	400	245	210	185	22-3	8-18	470	350
	150	480	280	240	210	24-3	8-23	495	400
	200	600	335	295	265	26-3	12-23	580	450
	250	650	405	355	320	30-3	12-25	680	550
	300	750	460	410	375	30-3	12-25	850	600

主要连接尺寸

型号	公称通径	尺寸 (mm)
型号	公称通径	l	d	d1	d2	b-f	z-φd	h	d0
j41w-2.5mpa	15	130	95	65	45	16-2	4-14	195	100
	20	150	105	75	55	16-2	4-14	215	120
	25	160	115	85	65	16-2	4-14	240	140
	32	180	135	100	78	18-2	4-18	250	160
	40	200	145	110	85	18-3	4-18	285	200
	50	230	160	125	100	20-3	4-18	300	220
	65	290	180	145	120	22-3	8-18	345	240
	80	310	195	160	135	22-3	8-18	350	280
	100	350	230	190	160	24-3	8-23	410	320
	125	400	270	220	188	28-3	8-25	470	350
	150	480	300	250	218	30-3	8-25	495	400
	200	600	360	310	278	34-3	12-25	600	450
	250	650	425	370	335	36-3	12-30	680	550
	300	750	485	430	390	40-4	16-30	850	600

主要连接尺寸

型号	公称通径	尺寸 (mm)
型号	公称通径	l	d	d1	d2	d6	b-f	z-φd	h
j41w-4.0mpa	15	130	95	65	45	40	16-2	4-14	195
	20	150	105	75	55	51	16-2	4-14	215
	25	160	115	85	65	58	16-2	4-14	240
	32	180	135	100	78	66	18-2	4-18	250
	40	200	145	110	85	76	18-3	4-18	285
	50	230	160	125	100	88	20-3	4-18	300
	65	290	180	145	120	110	22-3	8-18	345
	80	310	195	160	135	121	22-3	8-18	350
	100	350	230	190	160	150	24-3	8-23	410
	125	400	270	220	188	176	28-3	8-25	470
	150	480	300	250	218	204	30-3	8-25	495
	200	600	375	320	282	260	38-3	12-30	600
j41h-6.4mpa	15	170	105	75	55	41	18-2	4-14	230
	20	190	125	90	68	51	20-2	4-18	250
	25	210	135	100	78	58	22-2	4-18	260
	32	230	150	110	82	66	24-2	4-23	300
	40	260	165	125	95	76	24-3	4-23	330
	50	300	175	135	105	88	26-3	4-23	380
	65	340	200	160	130	110	28-3	8-23	400
	80	380	210	170	140	121	30-3	8-23	430
	100	430	250	200	168	150	32-3	8-25	500
	125	500	295	240	202	176	36-3	8-30	600
	150	550	340	280	240	204	38-3	8-34	680
	200	650	405	345	300	260	44-3	12-34	800

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