Chinese wholesale Steel Forged Butterfly Valve - Knife Gate Valve – GMK Valve

Its changeable rubber ring knife gate valves. Seal principle mainly through the gate and rubber seals close to achieve the sealing effect .The main features of this structure is that the rubber ring is in the seat on the envelope ladder groove, the seal is locked by metal pressing sets, making ring sealing will not switch off when processing, and if the seals broken, you can remove the metal press kits replace the rubber ring at random, which improves the valve efficiency greatly. It’s a cost-effective, high-performance product.