From: NAFCO | Brass Valves China Manufacturer What attention should you need when installing brass valves? We have 20 tips for you. Brass ball valve 1. When installing the brass valve, it is necessary to clean the inner cavity and the sealing surface, and the connecting bolts are evenly tightened to check whether the packing is tight. 2. The brass valve during installation is in the closed state. 3, large-size gate valve, pneumatic control valve should be installed vertically, so as not to be biased to one side due to the large weight of the valve core, this will cause leakage. 4. There is a set of correct installation process standards. Brass gate valve 5, brass valves should be installed in accordance with the allowed working position, but must pay attention to the convenience of inspection and operation. 6. The installation of the shut-off valve should be such that the flow direction of the medium is consistent with the arrow marked on the