Regulating valve for thermal power generation equipment

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last updated：Oct 25, 2019

日本ドレッサー

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Introducing Japan's dresser control valves for thermal power generation equipment.

The products of Niigata Masonneran are used not only in Japan but also in energy industries worldwide, including power generation plants, oil refining, and petrochemical plants, and are evaluated as some of the best products in the world. We have compiled our accumulated technical expertise and achievements here as materials for thermal power generation equipment. In particular, we would like to introduce products used in demanding applications, such as feedwater flow control valves, feedwater pump recirculation flow control valves, deaerator water level control valves, and auxiliary steam pressure reducing valves. 【Features】 <Regulating Valve for Fuel Gas: Model 41035> - Improved control of low flow rates by special arrangement of the hole pattern in the Lo-dB cage. - Reduced noise due to the Lo-dB cage. <Shut-off Valve for Fuel Oil: Model 21149SV> - Guarantees high sealing performance with a piston-structured internal valve. - Capable of rapid closure within 3 seconds due to a reliable cylinder actuator and air piping system. <Superheater Spray Control Valve: Model 21009> - By providing grooves in the plug and contour section, it can maintain the necessary flow rate even if iron oxide (scale) adheres. *For more details, please refer to the PDF materials or feel free to contact us.

Special site - Product/service details - https://pr.mono.ipros.com/dresser/product/

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basic information

【Other Features】 <Water Supply Heater Water Level Control Valve: Model 21000> ■ Since saturated water diffuses after decompression, it is less susceptible to erosion of the body and internal valve. ■ By ensuring a sufficient valve capacity, there is no risk of capacity shortage due to iron oxide adhesion. <Startup Water Supply Flow Control Valve: Models 79002 and 41075> ■ The adoption of the VRT cage prevents the occurrence of cavitation. ■ The axial flow parallel to the plug prevents damage to the seat surface. <Main Water Supply Flow Control Valve> ■ Model 41530 - Designed specifically for water supply valves, it features a robust and durable structure with a specially designed cage and plug. - The use of the CC-I cage suppresses the occurrence of cavitation and erosion at low openings. ■ Model 41075 - The use of the VRT cage prevents the occurrence of cavitation at low openings. *For more details, please refer to the PDF document or feel free to contact us.

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Applications/Examples of results

【Purpose】 ■ Control of fuel gas (LNG) to the boiler ■ Cut off fuel oil to the boiler in case of emergency ■ Control the amount of feedwater spray to maintain a constant steam temperature ■ Control the drain water level of the feedwater heater to remain constant ■ Control the amount of feedwater to the boiler during startup, etc. * For more details, please refer to the PDF document or feel free to contact us.