Global Fire-Fighting Valve Market By Type (Butterfly Valve , UL/FM Gate Valves , Pressure Reducing Valves , Alarm Check Valves , Deluge Valves , Ball Valves , Gate Valves , and Others), By Application (Commercial , Residential , and Others), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029