气动闸阀 -上海鸿蝶阀门
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法兰连接气动楔式闸阀-上海鸿蝶阀门
¥2000.00
电动楔式闸阀-上海鸿蝶阀门
¥2000.00
差压油密封闸阀 -上海鸿蝶阀门
¥1500.00
钛合金楔式闸阀 -上海鸿蝶阀门
¥350.00
钢制锥齿轮传动楔式闸阀 -上海鸿蝶阀门
¥2000.00
DZ40Y低温法兰闸阀 产品说明
低温闸阀适用于甲烷、液态天然气、已烯、二氧化碳、液氨、液氧、液氮、液氢等低温介质。
产品特点
1、为防止中腔异常升压，在闸板的进口侧设置了泄压孔
2、根据阀门的工作温度确定阀盖的顶部长度，确保阀桿填料的可靠密封
3、根据工作温度合理选用填料，垫片等零件的材料
4、严格控制材料的化学成份及低温冲击韧性等力学性能指标
5、采用多种配管法兰标准及密封面型式，适用于各种工程需要
DZ40Y低温法兰闸阀 执行标准
设计与制造结构长度法兰尺寸压力-温度试验-检验
JB/T7749GB12221JB79Gb9131JB/T9092
DZ40Y低温法兰闸阀 压力试验
公称压力PN1.62.54.06.410.0
强度试验2.43.86.09.615.0
水密封试验1.82.84.47.011.0
上密封试验1.82.84.47.011.0
气密封试验0.4-0.7
DZ40Y低温法兰闸阀 主要零件材料
阀体盖板阀杆密封面垫片填料工作温度适用介质
ZGoCrMNVAI低温高压铸钢1Cr7Ni12STL/STL1Cr13/柔性石墨
低温石棉PTFE浸聚四氟乙
烯石棉绳
柔性石墨-46丙烷/炳烯
甲醇/乙烷
煤气/液氨
LCB
ZGoCrMNVAI低温高压铸钢-60
LC1
ZGoCrMNVAI低温高压铸钢-73
LC2
ZGoCrMNVAI低温高压铸钢1Cr18Ni9Ti-101
LC3
ZGoCrMNVAI低温高压铸钢-115
LC4
ZGoCrMNVAI低温高压铸钢-196
DZ40Y低温法兰闸阀 主要外形尺寸
PN1.6MPa-2.5 MPa
1.6MPaDNLDD1D2bn-ΦdHD0
凸面法法
RF
DZ40Y-16LCB
DZ40Y-16LC1
DZ40Y-16LC2
DZ40Y-16LC3
DZ40Y-16LC4
DZ40Y-16P
DZ40Y-16R201501057555144-Φ14320140
251601158565144-Φ14350160
3218013510078164-Φ18385180
4020014511085164-Φ18420220
50250160125100164-Φ18540240
65265180145120184-Φ18610240
80280195160135208-Φ18690280
100300215180155208-Φ18780300
125325245210185228-Φ18930320
150350280240210248-Φ23980350
2004003352952652612-Φ261180400
2504501053553203012-Φ301390450
3005004604103753012-Φ301620500
3505505204704353416-Φ341810500
4006005805254853616-Φ361970550
2.5MPa201501057555164-Φ16320140
凸面法法
RF
DZ40Y-25LCB
DZ40Y-25LC1
DZ40Y-25LC2
DZ40Y-25LC3
DZ40Y-25LC4
DZ40Y-25P
DZ40Y-25R251601158565164-Φ16350160
3218013510078184-Φ18385180
4020014511085184-Φ18420200
50250160125100204-Φ20540240
65265180145125228-Φ22510240
80280195160135228-Φ22690280
100300230190160248-Φ24780300
125325270220188288-Φ28930300
150350300250218308-Φ30980320
2004003603102783412-Φ341180360
2504504253703323612-Φ361390400
3005004854303904016-Φ401620450
3505505504904484416-Φ441810500
4006006105505054816-Φ481990560
PN4.0MPa-10.0MPa
4.0 MPaDNLDD1D2D6bn-ΦdHD0
凹面法法
MFM
DZ40Y-40LCB
DZ40Y-40LC1
DZ40Y-40LC2
DZ40Y-40LC3
DZ40Y-40LC4
DZ40Y-40P
DZ40Y-40R20150105755551164-Φ14330140
25160115856558164-Φ14360160
321801351007866184-Φ18440180
402001451108576184-Φ18455200
5025016012510088204-Φ18575240
65380180145120110224-Φ20635240
803103195160135121228-Φ22715280
10050230190160150248-Φ22815300
125400270220188176288-Φ24965360
150450300250218204308-Φ281025400
200550375320282160388-Φ301225450
2506504453853453134212-Φ341440560
3007505104504083644616-Φ3416655470
3508505705104654225216-Φ411880720
4009506555855354745816-Φ182050800
6.4MPa20190125906851204-Φ18330180
凹面法法
MFM
DZ40Y-64LCB
DZ40Y-64LC1
DZ40Y-64LC2
DZ40Y-64LC3
DZ40Y-64LC4
DZ40Y-64P
DZ40Y-64R252101351007858224-Φ23360180
322301501108266244-Φ23410180
402401651259576244-Φ23480220
5025017513510588264-Φ23585240
65280200160130110288-Φ23690240
80310210170140121308-Φ23745280
100350250200168150328-Φ25885300
125400295240202176368-Φ30985360
150450340280240204388-Φ341050400
2005504053453002604412-Φ341240450
2506504704003523134812-Φ411460560
3007505301604123645416-Φ4116705640
10.0MPa252101351007858244-Φ18365200
凹面法法
MFM
DZ40Y-100LCB
DZ40Y-100LC1
DZ40Y-100LC2
DZ40Y-100LC3
DZ40Y-100LC4
DZ40Y-100P
DZ40Y-100R322301501108266244-Φ23420200
5025019514511288284-Φ25630240
65280220170138110328-Φ25700240
80310230180148121348-Φ25760280
100350265210172150388-Φ30900280
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