J941Y国标电动截止阀
【简单介绍】
阀门型号:J941Y
连接形式:法兰
产品材质:碳钢、不锈钢、合金钢
公称通径:DN50-DN500
压力环境:PN1.6~16MPa
工作温度:-29~550℃
阀门标准:国标、
流动方向:单向
【详细说明】
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概述
截止阀(Globe Valve)的启闭件是塞形的阀瓣,密封面呈平面或锥面,阀瓣沿流体的中心线作直线运动。阀杆的运动形式,有升降杆式(阀杆升降,手轮不升降),也有升降旋转杆式(手轮与阀杆一起旋转升降,螺母设在阀体上)。电动截止阀只适用于全开和全关,不允许作调节和节流。 电动截止阀结构图 主要特点及用途 Chief features and usages |
1、结构紧凑、设计合理,阀门刚性好,通道流畅,流阻系数小。 |
2、密封面采用不锈钢和硬质合金,使用寿命长 |
3、采用柔性石墨填料、密封可靠、操作轻便灵活 |
4、驱动方式分手动、电动、气动、齿轮传功,结构型式:弹性楔式单闸板、刚性楔式单闸板和双闸板型式。 |
5、广泛适用于石油化工,火力发电厂等油品、水蒸汽管路上作接通或截断管路中介质的启闭装置。 |
1、Compact structure,neasonnable design,good rigidity,smooth channel,small coefficient of flow resistance. |
2、The sealing face uses stainless steel and carbide alloy and is of long duration |
3、Using flexible graphite fillings,reliable sealing,light and nimble operation |
4、Four driving ways,manually,electrically,air-ioerating and gear-driving,structure type,elastic wedge type with single gate board,right rigi-dwedge type with single or dual-gate board. |
5、Widely used as the device of open or close to connect or cut off the medium inside of the pioeline of water,steam or oil goods in steam power plants |
主要性能规范 Chief property and specification |
试验压力Test pressure |
公称压力PN(MPa) Nominal pressure | 实验压力(MPa)Test pressure | |||
壳体Shell | 密封(液)Seal | 密封(气)Seal | 上密封Back seal | |
1.6 | 2.4 | 1.8 | 0.6 | 1.8 |
2.5 | 3.8 | 2.8 | 0.6 | 2.8 |
4.0 | 6.0 | 4.4 | 0.6 | 4.4 |
6.4 | 9.6 | 7.0 | 0.6 | 7.0 |
10.0 | 15.0 | 11.0 | 0.6 | 11.0 |
16.0 | 24.0 | 18.0 | 0.6 | 18.0 |
适用范围 Suitable scope | ||
壳体材料Shell material | 适用介质Applicable medium | 适用温度(℃)Applicable temperature |
碳素钢(C型)Carburizing steel | 水、蒸汽、油品Water,steam,oil goods | ≤425 |
; | Nitric acid | ≤200 |
; | Acetic acid | ≤200 |
; | 水、蒸汽、油品Water,steam,oilgoods | ≤550 |
主要零件材料Material for main parts | |||||
阀体、阀盖Body,bonnet | 阀板、阀座 Wedge disc,seat rign | 阀杆 Stem | 阀杆螺母 Yoke nut | 填料 Packing | 手轮 Hand wheel |
碳素钢 Carburizing steel | 优质碳钢+硬质合金或不锈钢 High-grade carbon steel+carbide alloy or stainleel | 铬不锈钢Cr.stainless steel | 铝青铜AI bronze | 石墨石棉盘根Graphite,asbestos coils | 可锻铸铁 Foraeable cast-iron |
铬镍钛钢Cr.Ni.Tisteel | 不锈钢、不锈钢+硬质合金Stainless steel or +carbide alloy | 铬镍钛不锈钢Cr.Ni.Ti stainless stee | 铝青铜AI bronze | 浸聚四氟乙Dipping polyterafluo-roethylene | 可锻铸铁Foraeable cast-iron |
铬镍钼钛钢Cr.Ni.Mo.Tisteel | 不锈钢、不锈钢+硬质合金Stainless steel or +carbide alloy | 铬镍钼钛不锈钢Cr.Ni.Mo.Ti stainless stee | 铝青铜AI bronze | 烯石棉盘根Asbestos coil | 可锻铸铁Foraeable cast-iron |
铬钼钢Cr.Mo streel | 合金钢+硬质合金Alloy steel+carbide alloy | 铬钼铝钢Cr.Mo.Ai steel | 铝青铜AI bronze | 柔性石墨Flexibie graphite | 可锻铸铁Foraeable cast-iron |
注:DN700、DN800的型号为Z942型 NOTE:DN700、DN800type is Z942. 主要尺寸及重量Main dimensions and weight
NOTE:DN700、DN800type is Z942. 主要尺寸及重量Main dimensions and weight
主要尺寸及重量Main dimensions and weight
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