江蘇誠一閥門有限公司
主營產品: 球閥,閘閥,蝶閥,止回閥等 |
江蘇誠一閥門有限公司
主營產品: 球閥,閘閥,蝶閥,止回閥等 |
參考價 | 面議 |
截止閥(Globe Valve)的啟閉件是塞形的閥瓣,密封面呈平面或錐面,閥瓣沿流體的中心線作直線運動。閥桿的運動形式,有升降桿式(閥桿升降,手輪不升降),也有升降旋轉桿式(手輪與閥桿一起旋轉升降,螺母設在閥體上)。電動截止閥只適用于全開和全關,不允許作調節和節流。 電動截止閥結構圖
主要特點及用途 Chief features and usages |
1、結構緊湊、設計合理,閥門剛性好,通道流暢,流阻系數小。 |
2、密封面采用不銹鋼和硬質合金,使用壽命長 |
3、采用柔性石墨填料、密封可靠、操作輕便靈活 |
4、驅動方式分手動、電動、氣動、齒輪傳功,結構型式: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,火力發電廠等油品、水蒸汽管路上作接通或截斷管路中介質的啟閉裝置。 |
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 |
主要性能規范 Chief property and specification |
試驗壓力Test pressure |
公稱壓力PN(MPa) Nominal pressure | 實驗壓力(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 Nitric acid | ≤200 |
; | 醋酸類 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 | 優質碳鋼+硬質合金或不銹鋼 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 | 烯石棉盤根Asbestos coil | 可鍛鑄鐵Foraeable cast-iron |
鉻鉬鋼Cr.Mo streel | 合金鋼+硬質合金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 |