怎样区分优质防水套管与劣质防水套管?

　　ROUXINGFANGSHUITAOGUANDESHEJIFANGANHESHENGCHANZHIZAOBIGANGXINGFANGSHUITAOGUANDESHEJIFANGANHESHENGCHANZHIZAOYAOFANZADEDUO。RUHEQUFENROUXINGFANGSHUITAOGUANHEFEIBIAOROUXINGFANGSHUITAOGUAN?YAOXIANZAIZHONGLIANGQUBIE,ROUXINGFANGSHUITAOGUANDEZHONGLIANGBI02S404FANGSHUITAOGUANTUJIDEZHONGLIANGGAOCHU90%SHANGXIA，YOUYUBIAOZHUNTUJIZISHENCESUANYOUPIANCHAHEDAJIAWOGUOGANGCAIXINGYESHIXINGDEXIACHABAN，YINER90%DEZONGZHONGLIANGSHIDABIAODEROUXINGFANGSHUITAOGUANSHANGPIN。FEIBIAOROUXINGFANGSHUITAOGUANZHONGLIANGJINWEIGUOJIABIAOZHUNFANGSHUIFANGSHUITAOGUANDEYIBAN，YINCIXUDUODEXIAOSHENGCHANCHANGJIAYICICHONGHAO。

　　ROUXINGFANGSHUITAOGUANDEHANJIEWEIZHIYEHENZHONGYAO，YIBANCHANGJIACAIYONGDIANHANBUGOUJINMI，ZHISHIZAIJIAOZHANGDEJULISHANGMIANHANJIEJIGEDIAN，ROUXINGFANGSHUITAOGUANDEHANJIEFANGSHIYOUHENDUO，RUQIHAN，SHOUGONGDIANHUHAN，SHOUGONGYAHUHAN，MAIHUZIDONGHAN，MAIHUBANZIDONGHAN，JIECHUHANHEQIHAN。YINWEIDIANHANHANFENGDEQIANGDUBIQIHANGAO，ERQIEBIQIHANJINGJI，SUOYIYINGXUANDIANHAN。QIHANYIBANZHIYONGYUGONGCHENGZHIJING50mmDEGUANDAO，YINWEISHOUTIAOJIANXIANZHI，YEKEYICAIYONGQIHAN。ZHEIYANGFANGSHUITAOGUANDELIANJIEJIUBIJIAOJINMIHEHOUSHI，WEIDESHIBAOZHENGCHANPINDEZHILIANG。ZAIROUXINGFANGSHUITAOGUANZHONGXIANGJIAOMIFENGQUANYESHIZHIZAODEGUANJIAN，YOUXIECHANGJIASHIYONGSHICHANGSHANGHENBIANYIDEXIANGJIAOMIFENGQUAN，ZAISHIYONGGUOCHENGZHONGHUICHUXIANKUAISULAOHUAXIANXIANG。

　　GENJUFANGSHUITAOGUANDENEIBUJIEZHI，XUANZEHESHIDEMIFENGQUANCAILIAO。YIBANYOULVDINGXIANGJIAOMIFENGQUAN、GUIXIANGJIAOMIFENGQUAN、FUXIANGJIAOMIFENGQUANHENAIFUSHIEPDMXIANGJIAOMIFENGQUAN。CAIYONGBUTONGDEFANGSHUITAOGUANMIFENGQUAN，KEYIYOUXIAOYANZHANGFANGSHUITAOGUANDESHIYONGSHOUMINGHEMIFENGXIAOGUO。YUSHICHANGSHANGXIAOSHOUDEXIANGJIAOMIFENGQUANXIANGBI，ZHEIZHONGMIFENGQUANJUYOULIANGHAODEMIFENGXIAOGUOHENAIFUSHI、NAIGAOWENXINGNENG，ZAISHIYONGGUOCHENGZHONGYIBANBUHUICHUXIANKUAISULAOHUAXIANXIANG。

　　ROUXINGFANGSHUITAOGUANZHUYAOYOUTAOGUANBENTI，YALANHEXIANGJIAOMIFENGQUANZUCHENG。ROUXINGFANGSHUITAOGUANKEYIBUCHANGGUANDAOBICHUROUXINGFANGSHUITAOGUANDEWEIYI。ROUXINGFANGSHUITAOGUANZAIGUANDAOZHENDONGZHUANGBISHIQIDAOYIDINGDEHUANCHONGZUOYONG，FANGZHIQIANGTITUOLUO。ROUXINGFANGSHUITAOGUANYEXUYAOYUMAIZAIQIANGTIZHONG，YIBIANYUGUANDAODEPUSHEHEPUZHUANG。

　　ROUXINGFANGSHUITAOGUANSHIANZHAOJIANSHEBUXIANGGUANDE02S404HUO02S312BIAOZHUNTUJIXUANZEHESHENGCHANDE，DUIFALANHOUDU、YIHUANHOUDU、GUANJINGHEHOUDUYOUYANGEDEYAOQIU。FEIBIAOZHUNSHIANZHAOBIAOZHUNTUJIDEXINGZHUANGHEJINSIJIEGOUZHIZUODE，FALANHOUDU、YIHUANHOUDU、GUANJINGHEHOUDUSHANGDECAILIAOXUANZEDOURENWEIFANGKUANLEYAOQIU，YANGELAISHUO，ZHEIXIEDOUSHIBUHEGEDECHANPIN，DANGRAN，YIDINGCHENGDUDEFANGKUANBIAOZHUNBUHUIYINGXIANGSHIYONG，DANGUODUFANGKUANBIAOZHUNHUIYINGXIANGXINGNENG。LIANGZHEZAIXINGZHUANG、CHICUNHEJIEGOUSHANGDOUBUYIYANG。

　　JINNIANLAI，FANGSHUITAOGUANDESHENGCHANSUICHUKEJIAN，CHANPINDEZHILIANGYESHIGEZHONGGEYANGDECHANPIN，YEXUYOUXIECHANPINSHIBUKEXINDE。WEILELIGANJIANYINGDEYINGLI，BAFANGSHUITAOGUANZHILIANGZUOBUSHANGQU，CAIYONGTOUGONGJIANLIAODEFANGFALAIDADAOYINGLIDEMUDE，ZHEIZHONGXINGWEIYANZHONGSUNHAILEDANGDICHANPINDESHENGYUHEKEHUDEQIESHENLIYI，XIAMIANDUIFANGSHUITAOGUANZHILIANGDEJIANDINGFANGFAJINXINGLEJIANDANDEZONGJIE。

　　1、看外观。防水套管的外观是首要的问题，油漆颜色是否亮丽，尤其是焊接部分是否满焊(一些制造商将采用分段焊接以节省麻烦)。

　　2、压兰内孔是否经过加工，更重要的是看内孔是否能穿过与套管相对应的管子。压兰内孔有些不加工的话，则上述浇口会影响穿管。

　　3、你可以用比较的方式看同一种产品的不同价格的重量，然后做出选择。

　　4、检查法兰上的丝孔，为了便于安装，丝孔的间隙很大，这将影响丝孔的使用寿命和拉紧强度。