Product Name: High Temperature Hydraulic Refractory Chamber Lining Hot Blast Valve for Bf Model NO.: QR746/QR946 Application: Industrial Usage Standard: GB Usage: Regulation, Safety, Temperature Control, Flow Control Thread Position of Valve Rod: Outside Gate Valve Seal Surface: Wedge Gate Valve Actuator: Electric Pressure: Low Pressure Connection Form: Flange Material: Carbon Steel Type: Direct-acting Temperature: High Temperature Media: Gas Work Temperature: ?1450 Diameter: DN500-2200mm Delivery Time: 45-60 Days Warranty: 12 Months Transport Package: Customised HS Code: 84818040 Product Description High Temperature Hydraulic Refractory Chamber Lining Hot Blast Valve for BFQR746R,QR946RHot Blast ValveHot blast valve with quadrate water cavity, lining, water cooling and longevity.Specification and Drawings:Functions and Features:1.Suitable for blast furnace (BF) hot blast stove system, playing an important role in cutting, used ashot blast valve and back draught valve etc.2.Self-developed new patented technology products have characteristics of longevity, water conservationandenergy efficiency, which makes it the top-level ofwater-cooled hot blast valve.3.Drive Pattern: hydraulic transmission, electric drive etc..4.All-welded construction, a circulating water cooling system adopted on all valve bodies and valvediscs.5.Valve sealing achieved by the differential pressure of medium.6.Fully lined with insulation, thermal insulation material inside all valve bodies, bonnet and valvediscs.7.Main Material: Q235, 16MnR, 20g, 0Cr18Ni9, heat resistant steel etc..Note: Valves shall be open and closed in equalizing blast state.Performance Parameter:Nominal Diameter(DN)(mm)DN500~DN1300DN1300~DN2200Work Pressure(MPa)≤0.45≤0.6On/off differentialPressure(MPa)≤0.01ApplicableTemperature(ºC)≤1450ApplicableMediumHot blastPressure ofCoolingWater(MPa)0.4~0.8Flux ofCoolingWater(t/h)Valve body :25~100Valve disc:15~50Valve Model Instructions:ValveTypeRHot Blast ValveDrive Mode7/97-hydraulic/9-electricConnectionForm4Flange connectionStructureForm9Water conservation, energy efficiencyLiningMaterialRThermal insulation materialIntroduction:We also can provide other model of hot blast valve, including series as below:QR749R/QR949R HOT BLAST VALVE WITH HYDRAULIC LONGEVITY, WATER CONSERVATION, ENERGY EFFICIENCY AND FULL-LINING WATER COOLING.QR744R/QR944R HOT BLAST VALVE WITH HYDRAULIC, CIRCULAR WATER CAVITY, LINING AND WATER COOLING.QR743R/QR946R HOT BLAST VALVE WITH HYDRAULIC, PROFILED WATER CAVITY, LINING AND WATER COOLING.QR743XR/QR946XR HOT BLAST VALVE WITH HYDRAULIC, LOW PRESSURE, WEDGE AND WATER COOLING.QR42W/QR742W/QR942W HOT BLAST VALVE WITH MANUAL, UNLINING AND WATER COOLING.Related Valves: