一种新型优质的高效能机井用钢质过滤器──ＴＣ型机井过滤器，前不久由陕西小凌惠泽水工材料有限公司开发研制成功，并通过陕西省科委组织的技术鉴定，现已投入批量生产和推广应用。采用这种过滤器的机井，进水阻力小，井管内外水头差值小，单位降深出水量大，有明显的节能效 A new type of high-performance high-performance mechanical well steel filter ─ ─ TC-type well filter, not long ago by Shaanxi Xiling Ling Whirlpool Hydraulic Materials Co., Ltd. successfully developed and passed the Shaanxi Provincial Science and Technology Commission organized the technical appraisal, has now invested Mass production and promotion of application. The use of this filter wells, water resistance is small, the difference between the well head inside and outside the small head, the unit of deep water, a significant energy saving