Basket filters by receivers, head, filter basket, flange, flange covers and fasteners and other components, after entering the filter basket when the fluid through the competent, solid particles are blocked within the filter basket and clean fluid through the filter basket the filter egress. When cleaning is required, screw head bottom plug, drain the fluid, remove the flange cover, remove the filter basket. Cleaning up after reload. Therefore, it is extremely easy to use and maintenance. This equipment is provided. H G/T21637-1991 the chemical pipe filters and s H/T3411-1999 of the petroleum chemical pump with filter selection, inspection and acceptance of standards for the design, manufacture and acceptance.