1.Quick Coupling Type A, 2.Size1/2"-4", 3.Material: ... products:1) The sol process precision casting products: * a variety of low-pressure ball valve, globe valve, check ... gate valve, Y type filter* 150LBS * Quick Connector Fittings, Model A, B, C, D, E , F, DC, DP* sanitary fittings, ... valves, etc.; 2) * a variety of forged products, the high-pressure welding, threaded pipe ...