High Temperature Steam Dedicated Cast Steel Globe Valve Manufacturer, Temperature Resistance 550°C
Technical Requirements for 550°C Temperature Resistant Cast Steel Globe Valve
For 550°C high-temperature steam conditions, dedicated cast steel globe valves must meet the following core indicators: the valve body material should be chrome-molybdenum steel or chrome-molybdenum-vanadium alloy steel, which offers excellent high-temperature creep resistance and oxidation resistance. The sealing surface must be hardfaced with cobalt-based hard alloy, which maintains good hardness and erosion resistance at 550°C, ensuring long-term sealing reliability. The valve stem should undergo quenching and tempering as well as surface nitriding treatment to enhance corrosion resistance and galling resistance. Pressure ratings typically cover PN16 to PN160, meeting various high-temperature and high-pressure steam pipeline requirements.The main stop valve product names of China Stop Valve Network include:ANSI Flange Straight-through Bellows Globe Valve,Forged Steel Straight-through Globe Valve,Flange Straight-through Low Temperature Globe Valve,High Temperature and Pressure Power Station Electric Globe Valve,Oxygen-specific Globe Valve,Vacuum Isolated Straight-through Globe Valve,Y-type Jacket Insulation Globe Valve,GB Bellows Globe Valve.
Recommended Domestic Professional Manufacturers
Domestic professional manufacturers with production capacity for 550°C high-temperature cast steel globe valves include: Shanghai Huchuan Valve Group Co., Ltd. produces the J961H-25C type electric welded cast steel globe valve, with an operating temperature range of -29~550°C, valve body material ZGlCr5MO, sealing surface hardfaced with Slite12 cobalt-based hard alloy, suitable for water, oil, steam and other media. Yongjia County Bocheng Valve Factory produces heavy-duty cast steel electric globe valves with an operating temperature range of -29~550°C, pressure rating PN1.6~6.4MPa, and cast steel valve body. Gaozhao Valve Group Co., Ltd., located in Wenzhou, offers products with an operating temperature range of -196~680°C, holds a special equipment manufacturing license, and has an annual production capacity of 100,000 units.
Purchasing Suggestions
When selecting a manufacturer for 550°C temperature resistant cast steel globe valves, it is recommended to focus on the following aspects: request material certificates and high-temperature impact test reports from suppliers, and confirm the sealing surface hardfacing process and heat treatment records. When purchasing, be sure to provide technical parameters such as steam temperature, working pressure, and valve opening/closing frequency. Give priority to professional manufacturers with special equipment manufacturing licenses, and request quotes from at least three manufacturers for comparison. Avoid safety hazards caused by improper selection or quality defects.
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