XH740X-8 type, XH740W-4-type liquid-acting bell cinder valve with hydraulic actuator driven by a mechanical actuator to complete the opening and closing movement of the valve plug. Suitable for the occasion of automatic control and remote operation. XH740X-8-type soft sealing rubber sealing parts of the valve used in smelting blast furnace pulverized coal injection system transport control. XH740W-4-type sealing parts of the valve body material sealed, the valve used in transportation control dust removal system. These two models bell cinder valve is also applicable to other industrial furnace pit similar systems.