阻火管

一、产品简介
　　氧气管道阻火器和氧气管道阀门后阻火器采用特种铜合金和不锈钢、碳钢焊接而成。它在氧气管道中具有阻火特点。可有效地切断火源，杜绝管道中燃爆事故的发生，在管道输氧过程中，愈来愈显示它的必要性与阻燃的优越性。二、产品结构示意图三、产品外形尺寸
SFQ I氧气管道阻火器SFQ II氧气管道阀门前、后阻火器公称通径DN型号规格DL15SFQI-1.5T1860020SFQI-2.0T2560025SFQI-2.5T3260032SFQI-3.2T3860040SFQI-4.0T4860050SFQI-5.0T5770065SFQI-6.5T7670080SFQI-8.0T89700100SFQI-10T108700125SFQI-12.5T133700150SFQI-15T159800200SFQI-20T219800250SFQI-25T273800300SFQI-30T325800350SFQI-35T377800400SFQI-40T426800450SFQI-45T480800500SFQI-50T530800公称通径DN型号规格DL15SFQII-1.5T18160020SFQII-2.0T25160025SFQII-2.5T32160032SFQII-3.2T38160040SFQII-4.0T48160050SFQII-5.0T57170065SFQII-6.5T76170080SFQII-8.0T891700100SFQII-10T1081700125SFQII-12.5T1331700150SFQII-15T1591800200SFQII-20T2191800250SFQII-25T2731800300SFQII-30T3251800350SFQII-35T3772050400SFQII-40T4262300450SFQII-45T4802500500SFQII-50T4302800　　注：1、管道公称压力PN4.0(MPa)。
　　　　2、订货时请说明氧气管道的材质及规格，以便选用适用的接管材料。
　　　　3、根据用户需要阀门后阻火器一端采用法兰结构。