J9Y48Y-2 filter cutoff valve structure characteristics and uses: This valve is suitable for the role of the truncation of the metallurgical industry, blast furnace gas and crude gas removal system and other dusty gas pipeline system. The valve from the valve seat, tapered valve plug, stem and other parts, winch drive to achieve through the valve opening (winch owned by the user). The cone valve sealing surface wear-resistant alloy welding, wear resistance, good sealing performance characteristics. Temperature of gas, dust and gas, etc.:: Main performance: Nominal pressure: 0.20MPa for medium ≤ 250 ℃