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10秒装修报价 装修要花多少钱?获得精准报价,省钱30%
168211
元
材料费:77201元
人工费:86544元
设计费:1760元
质检费:2706元
减压阀的作用是使得罐里的液化气减压气化成气体,通过管道,通到燃气炉具燃烧。
可调式减压阀是出口压力可以在一定范围连续调整的减压阀,可以依照现场的需求,通过转动调节螺钉适当升高或降低阀后压力,并保持阀后压力稳定。满足工艺设备不同压力的需求。适用范围广,调整方便。常用减压阀型号Y42X薄膜减压阀,Y43H先导活塞减压阀,YD43H先导薄膜减压阀,PD17先导薄膜减压阀,YK43X先导活塞减压阀,200X先导薄膜减压阀,Y44H波纹管减压阀,Y14H波纹管减压阀等都是可调式减压阀,通过转动调节螺钉和更换不同弹簧可以调整出口压力变化。大多数的减压阀都是可调式减压阀比例式减压阀的进口压力和出口压力始终保持一定的比值,如2:1,3:1,3:2等。当减压阀进口压力上升时,减压阀出口压力也会上升。当减压阀进口压力下降时,减压阀出口压力也会下降。始终保持固定的比例值。适用于对阀后压力变化要求不严格的场合。比例式减压阀压力比值是通过活塞式阀芯两端直径比值决定的。加工装配好后其进出口压力比值就固定了,无法更改。可调式减压阀的出口压力在一定范围可调,并能够保持阀后压力稳定不变。比例式减压阀的出口压力是随着进口压力的变化而同时变化,并且阀后压力不可调整,只是同阀前压力保持固定比值。
液化气减压阀使用应关注事项:
1.装减压阀时不可用力过猛,这样很容易使减压阀与钢瓶角阀连接过紧不便拆卸。
2.液化气减压阀与角阀是以反扣连接的,安装减压阀先要对正,然后按反时针方向旋转手轮,以手拧紧不漏气即可。
3.不得自行拆卸、调整或修理减压阀。发现减压阀堵塞,可用新阀更换或送燃气供应单位专业人员修理。
4.更换钢瓶卸下减压阀时,要非常小心留意密封圈是否粘留在角阀内。假如不慎将密封圈随钢瓶带走,换回新钢瓶后,装上没有密封圈的减压阀必然出现漏气。这时,要快速关闭钢瓶角阀,在减压阀上重装密封圈后再与钢瓶连接,不能用其他垫料代替专用的密封圈。
5.减要定期检查减压阀与胶管的连接是否严密不漏气。
6.压阀盖上面有一个针眼大小的孔洞,用于保持减压阀内外部的气压平衡,平常使用时保持外部清洁,不要堵塞气孔。
7.关注选购质量好的减压阀,不要购买或使用可调式减压阀。