China Brass Check Valve suppliers BRASS SWING CHECK VALVE Brass swing check valve, also known as the reverse check valve, its function is to prevent the backflow of the medium in the pipeline. The opening valve that is opened or closed by the medium flow and force to prevent the backflow of the medium is called the check valve. Check valve belongs to the automatic valve class, mainly used in the medium directional flow of the pipeline, only allow the medium to flow in one direction, to prevent accidents Design Feature 1. The structure length is short. 2. Small size, light weight, 3. The valve valve closes quickly, and the water hammer pressure is small. 4. Horizontal or vertical pipes can be used and easy to install. 5. Smooth flow channel and small fluid resistance. 6. Sensitive action and good sealing performance. 7. The valve flap stroke is short, and the valve closing impact force is small. The overall structure, simple and compact, beautiful shape. 9. Long Service life and high reliability. 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 suppliers website:http://www.bote-valves.com/brass-valve/brass-check-valve/