The power and energy industry is the cornerstone of national development, requiring equipment that can operate safely and continuously under extreme conditions—high temperature, high pressure, and corrosive media. Valves play a critical role in regulating, isolating, and protecting the entire power generation and transmission process.
Tianjin Dingliu Valve Industry Co., Ltd. provides comprehensive valve and automation solutions for thermal power, hydropower, nuclear power, renewable energy, and heating systems. With advanced manufacturing capabilities and strict quality control, Dingliu ensures safe, stable, and efficient operation in complex energy systems.
Dingliu’s product portfolio for the power and energy sector covers a wide range of applications, including:
High-performance double-eccentric butterfly valves (flanged or wafer type): used for main water supply and circulating cooling systems, ensuring tight shut-off and minimal torque.
Metal-seated triple eccentric butterfly valves: designed for high-temperature and high-pressure steam or flue gas pipelines, featuring zero leakage and long service life.
Electric and pneumatic actuators: compatible with intelligent control systems, offering precise flow adjustment and remote operation.
Gate valves and globe valves: widely applied in condensate, feedwater, and steam pipelines.
Hydraulic control valves: used for automatic pressure and level regulation in cooling towers, hydropower, and water supply systems.
Check valves and balance valves: ensuring flow direction safety and maintaining system stability.
All products comply with CE, SIL, ISO9001, and explosion-proof standards, ensuring operational reliability even under harsh thermal and mechanical conditions.
In a 600 MW thermal power plant project in North Africa, Dingliu supplied triple eccentric butterfly valves and electric actuators for the main steam and cooling water systems.
Working conditions: Steam temperature 320°C, pressure 2.5 MPa.
Challenge: Traditional soft-seated valves failed after long-term exposure to high temperature.
Solution: Dingliu provided Class 300 triple eccentric butterfly valves with a metal-to-metal sealing structure, paired with explosion-proof electric actuators for intelligent control.
Result:
Zero leakage over 18 months of continuous operation.
Torque and control precision improved by 25%.
Maintenance interval extended from 6 months to 24 months.
Dingliu’s solutions for the power and energy sector focus on efficiency, automation, and durability:
High-temperature & high-pressure resistance: metal-seated structures and heat-resistant coatings for steam systems.
Smart automation: integration with DCS/SCADA systems for real-time monitoring and control.
Energy efficiency: low-torque designs reduce actuator energy consumption by up to 30%.
Reliable sealing: zero-leakage butterfly and globe valves ensure safety in boiler, turbine, and cooling circuits.
Customized service: tailor-made configurations for different media—water, steam, condensate, and fuel oil.
By using Dingliu’s energy-grade valve solutions, power plants can achieve:
30–40% reduction in maintenance costs and downtime.
15–20% improvement in system efficiency through precise flow control.
Extended equipment lifespan, reducing the frequency of replacement.
Lower operational risks, improving overall energy production reliability.
Power generation facilities operate under strict environmental and safety regulations. Dingliu’s valves help clients achieve sustainability goals through:
Leak-free sealing systems, preventing emission of high-temperature steam or gas.
Explosion-proof and SIL-certified automation components, ensuring safe operation in hazardous areas.
Reduced energy loss via optimized valve flow design.
Compliance with ISO14001 environmental management and OHSAS18001 occupational safety systems.
Clients from the Middle East, Southeast Asia, and Eastern Europe highly value Dingliu’s power sector solutions:
“We installed Dingliu’s triple eccentric butterfly valves in our combined-cycle power plant. The performance exceeded expectations — no leakage, smooth actuation, and stable control even under fluctuating loads.”
Another client praised:
“Their after-sales support and rapid customization capability helped us complete system commissioning ahead of schedule.”
To support the global energy transition, Dingliu is developing next-generation valve technologies:
Smart IoT valve systems for predictive maintenance and performance tracking.
Hydrogen-ready materials for emerging clean energy applications.
Integration with renewable energy systems, including CSP and geothermal plants.
Expansion of regional service centers to provide localized technical assistance for global partners.
From traditional coal-fired plants to renewable and hydrogen energy systems, Dingliu’s valve and automation solutions deliver efficiency, reliability, and safety across the power generation chain.
Through robust engineering, advanced materials, and intelligent control technology, Dingliu empowers the power and energy industry to achieve lower emissions, higher operational stability, and greater sustainability.
As global energy continues to evolve, Dingliu remains a trusted partner in building a smarter and cleaner energy future.
Tianjin Dingliu valve Industry Co., Ltd. is a high-tech enterprise specializing in the valve and automation industry.
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