Apollo Valve Ball Valve ApolloType 50GB/50GB-A seriesThe Apollo Valves 50GB/50GB-A Series is an economy NPT threaded regular port bronze ball valve featuring a proven ASTM grade cast bronze body for durability and superior corrosion resistance.Adjustable Packing GlandBlow-Out Proof Stem DesignPTFE Seats and RPTFE Stem PackingChromium Plated Ball100% Factory Tested