Bimetal Steam Trap - BK27
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Detailed Introduction
The thermo-sensitive element of bimetallic trap is a bimetallic element cast through a special process by two metals of different expansion ratio.When the bimetallic element expands after heated,different expansion ratio results in bending.The thermo-sensitive element produced on the basis of this quality can act as a switch.Bimetallic Traps are divided into adjustable offline (BK,CS17H and CS47) and online (adjustable bimetallic element TB).
Merits
1.Simple structure,easy to install and maintain,resistant to water hammer and superb emptying performance.
2.Water seal by high-temperature condensate,no leakage of fresh steam (zero leakage).
3.Flexible and noiseless.
4.Water hammer resistance with no effect from abrupt pressure changes.
5.Adoptable for overheat steam system.
6.Adoptable for high-pressure and high-temperature steam pipes.
7.Good air discharge quality with resistance to coldness.
双金属片式疏水阀/BIMETALLIC TRAP
技术参数/Technique parameter
壳体压力等级 Shell pressure grade | 负荷泄漏率 Load leakage | 使用介质 Used medium | 允许背压率 Permitted backpressure rate | 节能效果 Energy saving effect | 适用过热蒸汽 Use superheated steam |
1.6、 2.5、 4.0、 6.4、 10MPA | 0% | 蒸汽、凝结水 Steam、 Condensate water | ≥75% | 优秀 Excellence | 适应 Adaption |
最大工作压差 Maximum operating pressure differential | 抗冻性 Freezing resistance | 排水方式 Drainage method | 最高允许温度 Maximum Allowable temperature | 排空气装置 Air exhaust system | 抗水击 Resis |
10.0MPA | 优秀 Excellence | 连续方式 Continue mode | 420~550℃ | 自动 Automatic | 适应 Adaption |
外形尺寸和重量/Prime out-form dimensions and weigh
产品型号 Product model | 口径(DN) Calibre | L法兰 Flange | L螺纹/ 焊接 Thread/ welding | H1 | H2 | W | 重量(kg) weight | 使用压力 范围(MPa) Pressure Change range | 公称压力 (MPa) Nominal pressure |
BK271 BK274 BK276 | 15~20 25 | 230 | 130 | 105 | 25 | 105 | 5.5/8.3 | 0.1-6.4 | 6.4 |
主要零件材料/The materials of primary accessories
零部件名称 Part and component name | 材质 Material |
阀体、阀盖 Valve body、Valve cover | 碳钢、合金钢 Carbon steel、Alloy steel |
双金属片 Bimetal | 不锈钢金属 Stainless steel |
阀座 Valve seat | 不锈钢 Stainless steel |
阀杆 Valve rod | 不锈钢 Stainless steel |
过滤网 Filtrating screen | 不锈钢 Stainless steel |
Note
1.Please provide operating pressure and operating pressure difference,generating quantity of condensate water,operating temperature,connecting mode and standards in selecting product models.
2.The load of condensate Water's safety coefficient reaches 2 to 3 times in general.
3.Please make sure the drain valve is installed properly,maintained regularly,cleaned up and operates under the normal condition,so as to extend its service life.
