J941H/Y
电动截止阀
电动截止阀属于强制密封式阀门，所以在阀门关闭时，必须向阀瓣施加压力，以强制密封面不泄漏。当介质由阀瓣下方进入阀门时，操作力所需要克服的阻力，是阀杆和填料的摩擦力与由介质的压力所产生的推力，关阀门的力比开阀门的力大，所以阀杆的直径要大，否则会发生阀杆顶弯的故障。近年来，从自密封的阀门出现后，截止阀的介质流向就改由阀瓣上方进入阀腔，这时在介质压力作用下，关阀门的力小，而开阀门的力大，阀杆的直径可以相应地减少。同时，在介质作用下，这种形式的阀门也较严密。我国阀门“三化给”曾规定，截止阀的流向，一律采用自上而下。
开启时，阀瓣的开启高度，为公称直径的25%～30%时，流量已达到zui大，表示阀门已达全开位置。所以截止阀的全开位置，应由阀瓣的行程来决定。
执行标准
设计与制造DesignandManufacture结构长度
FaceToFace法兰尺寸
FlangeDimension压力-温度PressureTemperatureLating试验-检验InspectionAndTest
GB122235GB12221GB9113JB79GB9131GB/T13927JB/T9092
压力试验
公称压力NominalPressure1.62.54.06.410.016.0
强度试验ShellTest2.43.86.09.615.024.0
水密封试验WaterSealTest1.82.84.47.011.018.0
上密封试验BackseatTest1.82.84.47.011.018.0
气密封试验AirSealTest0.5-0.7
主要零件材料及性能
体、盖、板BodyCoverDisc阀杆
Stem密封面SealingFace垫片
SealingShim填料
Packing工作温度℃WorkingTemperature适用介质SuitableMedium
WCB2Cr1313Cr
STL
木体材料
WithBody
Material
尼龙
Nylon增强柔性石墨
EnhancedFlexibleGraphite
13Cr/柔性石墨
1Cr13/FlexibleGraphite
08软钢
08SoftSteal
0Cr18Ni9Ti
0Cr17Ni12Mo2Ti
XD550F（T）
PTFE柔性石墨
增强柔性石墨
FlexibleGraphite
EnhancedFlexibleGraphite
SFB/260
SFP/260
PTFE
≤425水
蒸汽
油品
Water
Steam
Petroleum
Ptoducts
WC138CrMoAl
25Cr2MoV≤450
WC6≤540
WC9≤570
C5C12≤540
ZGCr5Mo≤200硝酸类Nitricacid
ZG1Cr18Ni9Ti1Cr18Ni9Ti
≤200醋酸类Aceticacid
ZG1Cr18Ni12Mo2Ti1Cr18Ni12Mo2Ti
规格主要尺寸和重量
1.6MPaDNLDD1D2bn-φdHDo重量Weight
凸面
法兰
RF
J941H
J941Y
J941W
J941F
J941N
16C
16P
16R
16I10130906040144-141981204.9
15130956545144-142181205.3
201501057555144-142581407.0
251601158565144-142751607.4
3218013510078164-182801808.3
4020014511085164-1833020012.6
50230160125100164-1835024014
65290180145120184-1840028022.7
80310195160135208-1835528029
100350215180155208-1841532032.8
125400245210185228-1846036079.5
150480280240210248-2351040093
2006003352952652612-23710400179
2506224053553203012-25786450441
3006984604103753012-25925500646
规格主要尺寸和重量
2.5MPaDNLDD1D2bn-φdHDo重量Weight
凸面法兰
RF
J941H
J941Y
J941W
J941F
J941N
16C
16P
16R
16I10130906040164-141981204.9
15130956545164-142181205.3
201501057555164-142581407.0
251601158565164-142751607.4
3218013510078184-182801808.3
4020014511085184-1833020012.6
50230160125100208-1835024016
65290180145120228-1840028025
80310195160135228-2335528030
100350230190160248-2541532034.8
125400270220188288-2546036089.5
1504803002502183012-2551040099
2006003603102783412-25710400181
2506224253703323612-30786450445
3006984854303904016-30925500651
规格主要尺寸和重量
4.0MPaDNLDD1D2bn-φdHD0重量Weight
凹凸法兰MFM
J941HJ941YJ941WJ941FJ941N
4040P40R40I201501057551164-142751407
251601158558164-142851609
3218013510066184-1830218012
4020014511076184-1835520017
5023016012588204-1837324024
65290180145110228-1840828033
80310195160121228-1843632044
100350230190150248-2348036060
125400270220176288-2558840090
150480300250204308-25611400100
2005333753202603812-30720400190
6.4MPa201901259051204-1822816013
凹凸法兰MFM
J941HJ941YJ941WJ941FJ941N
4040P40R40I2521013510058224-1827518015
3223015011066244-2332520019
4026016512576244-2336024025
5030017513588264-2341028035
65340200160110288-2345032048
80380210170121308-2348536056
100430250200150328-25537400125
125500295240176368-30631400130
150550340280204388-34646450160
2006504053452604412-34813500285
10.0MPa101701007035204-141981206
凹凸法兰MFM
J941HJ941YJ941WJ941FJ941N
100100P100R100I
151701057540204-1420214011
201901259051224-1822816013
2521013510058244-1825018014
3223015011066244-2332622016
4026016512576264-2335924030
5030019514588284-2541428050
65340220170110328-2543432065
80380230180121348-25547400100
100430265210150388-30621450116
125500310250176428-34732450150
1505503502902044612-34840500300
2006504303602605412-41925550600
16.0151701107540244-1814814012
环槽法兰RTJJ941HJ941YJ941W
160160P160R160I201901309051264-2315616015
2521014010058284-2317518017
3223016511566304-2520020021
4026017512576324-2723124031
5030021516588368-2526225053
65340245190110448-3030332070
80380260205121468-30341400100
100430300240150488-34485450120
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