Materiais do filtro

双层衬里筛选管双层衬里筛选管由API标准的基本管组成,双层高精度楔形线滤管管和衬里的滤清器材料. aço carbono pulverizado plástico ou outros materiais exigidos pelo cliente:　　1.High-precision screening gap can effectively control sand and act as a protective medium.　　2.The use of double-layer lined screening pipe can reduce diameter of drilling hole,save drilling time,and reduce drilling cost.　　3.The use of double-layer lined screening pipe can reduce the workload of operators,and improve the success rate of drilling.　　4.Filter material can be [...]