Applying our DN80 TF Manual Flange Ball Valve (OEM) ball valve is very practical and can be used for all types of connections; It can provide professional customization services to meet the specific needs of our customers. The biased half ball valve seen here is up - loaded to accommodate general purposes, allowing it to work with both water and gas. It is very nice in the manual operate system, which make users can control the flow easily and directly. The flange connection provides a secure and tight fit to help prevent leakage. Because of its level of custom design, it is well-suited for diversified commercial tasks. It is specifically designed for use with large - scale industrial pipelines or small - scale plumbing systems.