... )5)Threaded end:Optional BSPT\NPT\DIN29996)Suitable medium:water,gas,air and some corrosive liquidFeatures:1.Investment casting body and ... device (option) 1. Manual ValveBall Valve, Butterfly Valve, Gate, Globe, Check Valve, Strainer, Needle valve2. Direct Mounting ValveBall Valve, Butterfly Valve3. Automatic Actuating ValveBall Valve, Butterfly Valve