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主要特点及用途 Chief features and usages |
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1、结构紧凑、设计合理，阀门刚性好，通道流畅，流阻系数小。 |
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2、密封面采用不锈钢和硬质合金，使用寿命长 |
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3、采用柔性石墨填料、密封可靠、操作轻便灵活 |
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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。 |
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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。 |
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1、Compact structure,neasonnable design,good rigidity,***ooth channel,***all coefficient of flow resistance. |
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2、The sealing face uses stainless steel and carbide alloy and is of long duration |
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3、Using flexible graphite fillings,reliable sealing,light and nimble operation |
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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. |
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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 |
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主要性能规范 Chief property and specification |
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公称压力PN(MPa) Nominal pressure |
实验压力(MPa)Test pressure |
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壳体Shell |
密封(液)Seal |
密封(气)Seal |
上密封Back seal |
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1.6 |
2.4 |
1.8 |
0.6 |
1.8 |
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2.5 |
3.8 |
2.8 |
0.6 |
2.8 |
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4.0 |
6.0 |
4.4 |
0.6 |
4.4 |
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6.4 |
9.6 |
7.0 |
0.6 |
7.0 |
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10.0 |
15.0 |
11.0 |
0.6 |
11.0 |
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16.0 |
24.0 |
18.0 |
0.6 |
18.0 |
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适用范围 Suitable scope |
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壳体材料Shell material |
适用介质Applicable medium |
适用温度(℃)Applicable temperature |
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碳素钢(C型)Carburizing steel |
水、蒸汽、油品Water,steam,oil goods |
≤425 |
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硝酸类 Nitric acid |
≤200 |
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醋酸类 Acetic acid |
≤200 |
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水、蒸汽、油品Water,steam,oilgoods |
≤550 |
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主要零件材料Material for main parts |
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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 |
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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 |
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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 |
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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 |
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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 |
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