北京疏水阀门厂 WDV BK156双金属片式疏水阀
价格：电议
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- 产品品牌：
- 北京疏水阀门厂 WDV
- 产品型号：
- BK156
- 材质：
- 铸钢
- 连接形式：
- 螺纹
- 种类：
- 双金属片
本公司供应北京疏水阀门厂 WDV BK156双金属片式疏水阀质量保证，欢迎咨询洽谈。
| 产品名称：双金属片式疏水阀 | ||||||||||||||||||||||||
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双金属片式疏水阀
BIMETALLIC TRAP
双金属片式疏水阀
双金属片式疏水阀的热敏元件为两种不同膨胀率的金属通过特殊工艺压铸一起的双金属片，双层金属片在受热后膨胀，由于不同的膨胀率使其产生的弯曲。利用这种特性制作成疏水阀的热敏元件起到开关作用。双金属片式疏水阀分为不可在线调节（BK，CS17H和CS47）和可在线调节（可调双金属片式TB）。
Bimetallic Trap
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).
优点：
1、结构简单，容易安装和维修，抗水击，排空性能优越。
2、利用高温凝结水形成水封，没有新鲜蒸汽泄漏（零泄漏）。
3、动作灵敏，无噪声。
4、抗水击，对压力突然变化没有影响。
5、可用于过热蒸汽系统。
6、可以使用高压高温的蒸汽管线。
7、具有良好的排空气性能，不怕冻。
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.
技术参数/Technique parameter
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| 产品型号 Product model | 口径(DN) Calibre | L法兰 Flange | 螺纹/焊接 Thread/weldingL | H1 | H2 | W | 重量(kg) Weight | 使用压力范围(Mpa) Pressure change range | 公称压力(Mpa) Nominal pressure |
| BK151 BK154 BK156 | 15～20 25 32～50 | 150 160 230 | 95 95 160 | 77 83 120 | 20 25 30 | 80 80 90 | 2.1 4.8 9.5 | 0.1-4.0 | 4.0 |
| BK271 BK274 BK276 | 15～20 25 | 210 230 | 130 | 105 | 25 | 105 | 5.5/8.3 | 0.1-6.4 | 6.4 |
| BK284 BK286 | 15～20 25 | 210 230 | 130 | 130 | 25 | 160 | 11/16 | 0.1-10.0 | 10.0 |
| 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 metal |
| 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 |