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Boiler pipeline safety accessories bursting discs, explosion-proof discs, explosion venting discs

价格 850.00元/片
total supply
1000 片
MOQ
1 片
brand
上海朗晏
area
Shanghai
Delivery period:
Shipped within 15 days from the date of payment by the buyer
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Shanghai Langyan Safety System Equipment Co., Ltd.

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Product Details
爆破口径:
由需方提供参数可定
爆破压力:
由需方提供参数可定
爆破温度:
由需方提供参数可定
 爆破片价格仅供参考!具体的价格电联QQ联系咨询我,由具体的参数和数量可定价格。一片起供三片优惠。

爆破片的基本概念定义

爆破片安全装置(爆破片+夹持器):由爆破片和夹持器等零部件组成的非重闭是压力泄放装置。

 

爆破片:是一种因超压而迅速动作的压力敏感元件。(说白了就是防止压力过大而产生爆炸的一个保护设备的保护装置,用来泄压。)

 

夹持器:夹持器的作用是提供一个与容器安全泄放量相当的介质泄放管口,爆炸爆破片周边夹持牢固,密封性严密,与爆破片元件匹配,使在标定的爆破片压力内泄压,一般有上夹和下夹,可配密封垫片(含2片)。

 

加强环:在组合爆破片中,与爆破片边缘紧密贴合,起到增强其边缘刚度作用的环形圈。

 

背压差:在正常操作工况下,当爆破片安全装置泄放侧的压力高于人口侧,包括人口侧为负压(即真空,负压就是压力)状态时,致使爆破片的两侧形成于泄压方向相反的压力差,这种压力差称为背压差。

 

背压托架:组合式爆破片中,用来防止爆破片由于出现背压差而发生意外破坏的支撑架

 

 

爆破片产品种类:

 

正拱开缝型爆破片(LF):1.结构为组合式爆破片,爆破片和背压托架上开由削弱材料强度的孔和缝(径向或环向开缝),会在超压时候在最小孔距的界面处拉伸破坏

                  2.适合用于气体和液体两种介质中,低压工况。

                  3.确定爆破温度的话考虑密封膜的适合温度,从而保证密封性

                  4.最大工作压力要达到80%

                  5.可能产生碎片,与安全阀串联不推荐。

                   

 

正拱普通型爆破片(LP:1.爆破片为单层膜片,超压式拱起来的课壁厚会减薄而被拉伸破坏、

                      2.适合用在气体和液体2种介质及爆破片压力比较高的工况使用

                      3.带托架的话可以承受背压

                      4.最大的工作压力课大最小的爆破压力的70%

                      5.可能会产生碎片,不推荐和安全阀串联使用,比较危险

                      6.因为可能会材质限制(一般用的是不锈钢304.316L的)加工爆破压力由一定的局限性。

 

 

 

反拱鳄齿型爆破片(YE):适合用于气相介质,承受背压能力好,不需要配托架就可以承受全真空,抗疲劳,没有碎片产生,比较适合用在压力低的设备上

                    

反拱开缝型爆破片(YF):一般药厂卫生级设备上会用到这个型号,爆破时没有火花,适应于气相介质,适合用在压力较低的设备上

  

 

平板开缝型爆破片:形状有圆形平板开缝型和方形平板开缝型,方形一般来说都是常规的,圆形就是非标要定做的 。

                  由爆破片,密封膜,背压托架组成的,爆破片和背压托架上开有削弱材料强度的孔和缝(四边开缝)超压是在最小的孔距的界面处拉伸破坏。

               3.工作介质适合气相和液相,适用于压力较低,泄放口径大的设备常用在粉尘仓储设备上。

  

 

 

 

公司名称:上海朗晏安全系统设备有限公司

联系人:周晓倩   13370072315

工作QQ:2020186226(同微信号和邮箱)

传真号:021-37909067

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