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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,smooth channel,small 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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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 |
| 硝酸类 Nitric acid | ≤200 | |
| 醋酸类 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 |
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