Filter quick opening flange cover used to quickly open and close the filter cartridge, easy to replace and maintain the filter cartridge
Used to quickly open and close the filter cartridge, easy to replace and maintain the filter cartridge.

Why Choose Our Blind Flanges?
- Reliable Sealing: Effectively seals pipelines, valves, or pressure vessels to block fluid flow, ensuring no leaks and maintaining system integrity.
- High Mechanical Strength: Designed to withstand significant mechanical stress, including system pressure and bolting forces, making it suitable for demanding applications.
- Easy Access: Can be unbolted for straightforward access to the pipeline or pressure vessel, facilitating maintenance, inspection, or use as a manhole.
- Versatile Use: for applications where a permanent or temporary seal is needed, such as in pipelines, pressure vessels, and as manholes.
- Quality and Compliance: Made to meet rigorous standards (GB/T9119-2010, HG/T20592-2009, DIN, ASME, BS, JIS) and available in various high-quality materials like 304, 316L, and high-strength alloys.