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簡(jiǎn)要描述:電動(dòng)截止閥和法蘭閘閥是同屬一個(gè)類(lèi)型的閥門(mén),由電動(dòng)執(zhí)行機(jī)構(gòu)或氣動(dòng)執(zhí)行機(jī)構(gòu)和截止閥兩部分組成,區(qū)別在它的關(guān)閉件是個(gè)閥體,閥體繞閥體中心線作旋轉(zhuǎn)來(lái)達(dá)到開(kāi)啟、關(guān)閉的一種閥門(mén)。 閘閥在管路中主要用來(lái)做切斷、分配和改變介質(zhì)的流動(dòng)方向。二片式球閥,三片式球閥,是近年來(lái)被廣泛采用的一種新型閥門(mén)。
產(chǎn)品型號(hào):
所屬分類(lèi):電動(dòng)截止閥
更新時(shí)間:2021-05-19
主要特點(diǎn)及用途 Chief features and usages |
1、結(jié)構(gòu)緊湊、設(shè)計(jì)合理,閥門(mén)剛性好,通道流暢,流阻系數(shù)小。 |
2、密封面采用不銹鋼和硬質(zhì)合金,使用壽命長(zhǎng) |
3、采用柔性石墨填料、密封可靠、操作輕便靈活 |
4、驅(qū)動(dòng)方式分手動(dòng)、電動(dòng)、氣動(dòng)、齒輪傳功,結(jié)構(gòu)型式:彈性楔式單閘板、剛性楔式單閘板和雙閘板型式。 |
5、廣泛適用于石油化工,火力發(fā)電廠等油品、水蒸汽管路上作接通或截?cái)喙苈分薪橘|(zhì)的啟閉裝置。 |
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 |
主要性能規(guī)范 Chief property and specification |
試驗(yàn)壓力Test pressure |
公稱壓力PN(MPa) Nominal pressure | 實(shí)驗(yàn)壓力(MPa)Test pressure | |||
殼體Shell | 密封(液)Seal | 密封(氣)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 |
適用范圍 Suitable scope | ||
殼體材料Shell material | 適用介質(zhì)Applicable medium | 適用溫度(℃)Applicable temperature |
碳素鋼(C型)Carburizing steel | 水、蒸汽、油品Water,steam,oil goods | ≤425 |
; | 硝酸類(lèi) Nitric acid | ≤200 |
; | 醋酸類(lèi) Acetic acid | ≤200 |
; | 水、蒸汽、油品Water,steam,oilgoods | ≤550 |
主要零件材料Material for main parts | |||||
閥體、閥蓋Body,bonnet | 閥板、閥座 Wedge disc,seat rign | 閥桿 Stem | 閥桿螺母 Yoke nut | 填料 Packing | 手輪 Hand wheel |
碳素鋼 Carburizing steel | 優(yōu)質(zhì)碳鋼+硬質(zhì)合金或不銹鋼 High-grade carbon steel+carbide alloy or stainleel | 鉻不銹鋼Cr.stainless steel | 鋁青銅AI bronze | 石墨石棉盤(pán)根Graphite,asbestos coils | 可鍛鑄鐵 Foraeable cast-iron |
鉻鎳鈦鋼Cr.Ni.Tisteel | 不銹鋼、不銹鋼+硬質(zhì)合金Stainless steel or +carbide alloy | 鉻鎳鈦不銹鋼Cr.Ni.Ti stainless stee | 鋁青銅AI bronze | 浸聚四氟乙Dipping polyterafluo-roethylene | 可鍛鑄鐵Foraeable cast-iron |
鉻鎳鉬鈦鋼Cr.Ni.Mo.Tisteel | 不銹鋼、不銹鋼+硬質(zhì)合金Stainless steel or +carbide alloy | 鉻鎳鉬鈦不銹鋼Cr.Ni.Mo.Ti stainless stee | 鋁青銅AI bronze | 烯石棉盤(pán)根Asbestos coil | 可鍛鑄鐵Foraeable cast-iron |
鉻鉬鋼Cr.Mo streel | 合金鋼+硬質(zhì)合金Alloy steel+carbide alloy | 鉻鉬鋁鋼Cr.Mo.Ai steel | 鋁青銅AI bronze | 柔性石墨Flexibie graphite | 可鍛鑄鐵Foraeable cast-iron |
注:DN700、DN800的型號(hào)為Z942型 NOTE:DN700、DN800type is Z942. 主要尺寸及重量Main dimensions and weight
DN700、DN800的型號(hào)為Z942型 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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