China Brass Check Valve BRASS VERTICAL FILTER CHECK VALVE Brass Vertical FILTER Check valve is made by brass material and Stainless steel filter . Filter check valve refers to the check valve with filter function. Different from the general check valve, the front end combines a filter, so that it has the function of filter and check valve when the application, which is a new type of combination valve. The main function of the filter check valve is to prevent the backflow of the medium, to prevent the reversal of the pump and the drive motor, and to prevent the discharge of the vessel medium. Check valves can also be used to supply lines in which pressure may rise to exceed the auxiliary system pressure. Check valve can be mainly divided into rotary start type check valve (rotating according to the center of gravity) and lifting type check valve (moving along the axis). This type of valve functions to allow the medium to flow in only one direction, and to prevent it. Usually the valve works automatically under the fluid pressure of the opposite flow of the fluid pressure and the valve disc is used to stop the seat to cut off the flow. Product Specification Product Parameter SIZE: 1/2", 3/4", 1", 11/4", 11/2", 2", 21/2", 3", 4" Material: Brass Field of Application: WATER Working pressure: 10-20Bar/100--200 Psi Connection: Female-Female, Working Temperature: -20鈩?to 120 鈩?/p> Brass material (Hpb57-3) chemical composition Cu Pb Fe Sn Al Ni Mn 57.40672.47950.85520.76020.09850.34130.0404 Si Zn As Bi Ag Cr Sb 0.131237.81580.00070.0010.02480.00520.0255 Co Mg P S Ti V In 0.00210.00020.00010.00020.00010.00010.0002 Mo Nb Zr W Hg 0.00010.00010.00020.00010.0001 Certificate Quality Control Production Room Assemble line and Packing line Office Room Factory Gate And Warehouse RoomChina Brass Check Valve website: