HX型呼吸阀
产品简介
详细信息
HX型呼吸阀
■产品概述
呼吸阀是固定在储罐顶上的通风装置。以保证罐内压的正常状态,防止罐内超压或超真空使储罐遭受损坏,也可减少罐内液体挥发损耗。
根据国家《石油化工设计防火规范》(GB50160-92)的规定:“甲、乙类液体的固定顶罐,应设阻火器和呼吸阀”,而我国呼吸阀产品类型单一,还满足不了石油化工各部门的需要。为了解决上述问题,我公司研制开发DSX型系列新产品。该产品具有类型多,规格齐全、结构紧凑、重量轻、通风量大、泄漏小等优点。产品有单呼阀、单吸阀、呼吸阀,各种结构型式均可与阻火器组合构造,也可配制所需的接管。
代号说明
1、呼吸阀代号以DSX表示,DSXF为阻火呼吸阀代号。
2、呼吸阀类型代号以吸入和呼出口有否接管来分类,共8种,见表1
![](https://img70.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9d8f64f5687fa2550ebeac3309282d1e06.jpg)
3、表示主体材料见表2
![](https://img70.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9d249c1b1424206670e05e2764a1b0596f.jpg)
■标志意义
![](https://img70.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9d46378c3cff9adb2707cdee7eec8383e4.jpg)
■操作压力和使用环境温度
呼出压力:B、+980Pa C、+1750Pa D、+4KPa E、+18KPa
呼入压力:B、-295Pa C、-295Pa D、-0.5KPa(操作压力指标也可以由用户)
使用环境温度:-30℃~60℃
■工作介质
汽油、煤油、柴油、芳烃、硫、空气等,或其他石油化工物料,阻火类别的选用“HGJ21-89”进行,选IIA或IIB级由用户。
■制造和检验标准
参照“SY7511-87”“GB5908-86”等标准进行制造和验收。
注:法兰连接采用HG20592-97,PN1.0MPa,也可以根据用户需要,按HGJ、JB、ANSI-B16.5、JIS等其它标准进行制造。
![](https://img70.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9d4e2f989b4314e2b94ea3851d760e9725.jpg)
![](https://img70.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9d70d73684085e7b8f113b6af8c1b9d65d.jpg)
![](https://img70.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9dea82bb91c9bcef6e622e74f9f76ee782.jpg)
![](https://img68.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9d7eaf60c2931dc9aada64b286dfdfe959.jpg)
![](https://img68.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9dad0352544a9b5a6280bcb45c8f824616.jpg)
HK1型呼吸阀 HK1型阻火呼吸阀 HK2型带双接管呼吸阀 HK2型带双接管阻火呼吸阀
DN50-400 DN50-400 DN50-250 DN50-250
![](https://img70.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9d4e2f989b4314e2b94ea3851d760e9725.jpg)
![](https://img70.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9d70d73684085e7b8f113b6af8c1b9d65d.jpg)
带吸入接管呼吸阀 带吸入接管阻火呼吸阀 带呼出接管呼吸阀 带呼出接管阻火呼吸阀
DN50-250 DN50-250 DN50-250 DN50-250
![](https://img70.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9ddef3e890199e60f0d93845eb6a231f44.jpg)
![](https://img70.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9dbbaec4b29dd6a2f86dc818e887c2b313.jpg)
HK5型单呼阀 HK5型阻火单呼阀 HK6型单吸阀 HK6型阻火单吸阀
![](https://img70.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9ddef3e890199e60f0d93845eb6a231f44.jpg)
![](https://img70.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9dbbaec4b29dd6a2f86dc818e887c2b313.jpg)
HK5型单呼阀 HK5型阻火单呼阀 HK6型单吸阀 HK6型阻火单吸阀
DN50-250 DN50-500 DN50-250 DN50-250
![](https://img70.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9db4d09d942c422cf1d419b0eff4aa6cc6.jpg)
![](https://img70.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9d1371265da59ef90c398e4bf4a7a572d3.jpg)
HK7型带接管呼出阀 HK7型带接管阻火呼出阀 HK8型带接管吸入阀 HK8型带接管阻火吸入阀
DN50-300 DN50-300 DN50-250 DN50-250![](https://img70.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9db4d09d942c422cf1d419b0eff4aa6cc6.jpg)
![](https://img70.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9d1371265da59ef90c398e4bf4a7a572d3.jpg)
HK7型带接管呼出阀 HK7型带接管阻火呼出阀 HK8型带接管吸入阀 HK8型带接管阻火吸入阀
![](https://img70.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9dea82bb91c9bcef6e622e74f9f76ee782.jpg)
![](https://img70.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9d16fc02cf556fb67be09b5973bf657109.jpg)
异径呼吸阀
![](https://img68.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9d7eaf60c2931dc9aada64b286dfdfe959.jpg)
![](https://img68.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9dad0352544a9b5a6280bcb45c8f824616.jpg)
![](https://img68.zgong.com/5eceadd4559dcfd222a9e17cfc00676ef2dec8d1fa400f9d15d66b6dfab0e1b604fdc44b2daa7650.jpg)