A blind flange is a solid, flat circular plate used to seal off the end of a pipe or valve. It features bolt holes that match those of a standard flange, allowing it to be bolted directly onto a pipe flange to create a tight seal. Blind flanges are essential for isolating sections of pipelines during maintenance, testing, or when a pipeline needs to be temporarily or permanently closed. They are available in various materials, such as carbon s, find complete details about - Yuzheng Valve Co.,Ltd