■  各类管子、弯头、异径管、管路补偿器、三通、四通、仪表接头及过滤器等
一、管路补偿器
用以补偿器路的热胀冷缩引起的尺寸误差及泵出口与玻璃、石墨等脆性材料设备连接由于震动而引起的顺坏。
二、过滤器
   适用于各类管路上用以过滤器内介质杂质，确保流程装置中设备安全运行，延长寿命，安装事应注意方向性。
三、各类管子、弯头、三通、四通
管子选用国家标准无缝钢管，法兰根据用户要求可按HG、GB、JB、ANSL、JLS、DLN等国家8
四、衬里层材料
一般常用为聚四路乙烯（PTFE)、聚氯乙烯（PVP）、聚丙烯（PP）、PO等
五、试验与经验
 管路附件均以1.5倍公称压力进行试验，全部衬里层表面进行电火花致密性试验
  
■Various type of pipe,elbows,reducer,pipe compensator,three-way,four-way,instrumentation fittings 
and filters,etc.
First:Pipeline compensator
 to the glass,brittle material such as graphite equipment damage due to vibration .
Second:filter
 the process device, prolonging life, install things  should be noted that the directional.
Third:the various types of pipe,elbow,tee,four-way
 DLN national standards, may be a forging,casting, contract OK.
Fourth:lining material
   Usually used for the polytetrafluoroethylene(PTFE),polyvinyl chloride(pp)， polyethylene（PE),po，etc
 Fifth:test and experience
 Piping accessories are 1.5 times the nominal pressure test,the surface of the lining to edm density test.

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