DIN Standard Bellow Sealed Gate Valve

The key parts of the metal bellows, the lower end and the valve stem assembly are automatically welded, and the upper end and the connecting plate are automatically welded, it form a metal barrier between the fluid medium and the atmosphere to ensure zero leakage of the valve stem.
Double sealing design with bellows and packing, with dual safety, makes the sealing at the valve stem safer and more reliable.