Manually two piece al bronze ball valve main parameter Size : 15mm-200mm Pressure: 150lb-300lb Temperature : 150 degree celsius Medium : oxygen, fresh water, seawater, oil , steam, etc. Operation : handle , gear , electric. Body and bonnet material : bronze , al bronze Stem : bronze , stainless steel Seal : ptfe , pfa Connection : flange end Standard : ansi , din , jis Plywood case