Details extensions resilient seated gate valve: KL-RGHZ Buried resilient seated gate valve stem quenched and surface nitriding treatment, good corrosion resistance and scratch resistance; gate and seat sealing adoption carbide welding, wear resistance, high temperature resistance, corrosion resistance, anti-abrasion performance, long life; the full range of body materials, packing, gaskets according to actual working conditions or user requirements reasonable matching can be applied all kinds of pressure, temperature and medium conditions.