The natural gas industry requires the highest standards of safety and reliability. From extraction and processing to transmission and distribution, valves are essential for isolating, regulating, and protecting pipelines and equipment operating under high pressure and flammable gas conditions.
Tianjin Dingliu Valve Industry Co., Ltd. provides advanced valve and automation solutions that ensure leak-free performance, precise control, and long-term durability in critical gas service environments. With certifications such as CE, SIL, ISO9001, and explosion-proof approvals, Dingliu’s products are trusted in city gas systems, LNG terminals, and gas-fired power plants worldwide.
Dingliu offers a complete valve portfolio tailored to the needs of the natural gas sector:
High-performance triple eccentric butterfly valves: used in main gas transmission lines and compressor stations, featuring metal-to-metal sealing for zero leakage and excellent tightness under Class 300–600 pressure.
Ball valves (floating and trunnion type): the preferred choice for gas isolation, ensuring bubble-tight sealing and easy operation even under high pressure.
Pressure control and regulating valves: maintaining stable outlet pressure in gas distribution and pressure-reducing stations.
Check valves: preventing reverse flow in compressor discharge and storage systems.
Pneumatic and electric actuators: offering explosion-proof designs and remote automation control compatible with SCADA systems.
Filter and shut-off valve assemblies: used for pre-treatment and emergency cut-off functions in city gas pipelines.
In a natural gas distribution project in Central Asia, Dingliu provided trunnion-mounted ball valves and pneumatic actuators for a 20 km high-pressure transmission pipeline.
Working conditions: Natural gas, Class 300, -20°C to +70°C.
Challenge: Harsh environment with frequent temperature fluctuations and the need for reliable emergency shut-off.
Solution:
Ball valves made of forged carbon steel with PTFE+metal composite seats for high sealing performance.
Pneumatic actuators equipped with solenoid valves, limit switches, and local control panels for quick remote operation.
Result:
Emergency closing time reduced to under 5 seconds.
System leakage rate dropped by over 95% compared to previous equipment.
Stable operation over 2 years without seal replacement.
Dingliu’s natural gas solutions emphasize safety, control precision, and automation integration:
Explosion-proof design: all actuators and control accessories comply with Ex d IIB T4/T6 standards for hazardous gas areas.
High sealing performance: advanced machining ensures zero leakage at both low and high pressures.
Remote control and monitoring: compatible with DCS/SCADA systems for real-time operation.
Custom material options: including carbon steel, stainless steel, and special alloys for different gas compositions and environments.
Modular configuration: easy integration of accessories like positioners, limit switches, and fail-safe units.
Adopting Dingliu’s valve technology brings tangible operational and financial advantages:
Reduced unplanned shutdowns by 40%, minimizing production loss.
Valve service life extended by 2–3 times compared with standard products.
Energy savings through optimized actuator torque and lightweight designs.
Lower maintenance frequency and spare parts consumption, improving ROI.
Natural gas facilities operate under strict safety and environmental regulations. Dingliu ensures compliance by:
Providing zero-leakage sealing systems to prevent gas emissions.
Using anti-static and fire-safe designs to ensure system integrity during emergencies.
Complying with API 6D, EN 13709, and ISO 15848 standards for valve design and testing.
Supporting safe automation in hazardous areas through explosion-proof actuator systems and SIL-certified control logic.
Clients from the Middle East, Eastern Europe, and Central Asia have recognized Dingliu’s reliability and engineering quality:
“The trunnion ball valves from Dingliu performed flawlessly in our high-pressure gas pipeline. The tightness and actuator response speed exceeded our expectations.”
Another customer commented:
“Their professional technical team provided timely support during installation and commissioning, ensuring our project was completed on schedule and within budget.”
To meet the global energy transition and cleaner fuel demands, Dingliu is focusing on:
Hydrogen-compatible valve materials for blending hydrogen with natural gas.
Digital monitoring systems enabling predictive maintenance through IoT sensors.
Lightweight and energy-efficient actuators to support smart gas networks.
Expanding global after-sales service centers to strengthen local support and rapid response capabilities.
In the natural gas sector—where safety, sealing integrity, and precision are non-negotiable—Dingliu’s valves and automation systems deliver dependable solutions for transmission, distribution, and storage applications.
By combining advanced engineering, explosion-proof automation, and stringent quality control, Dingliu ensures the safe, efficient, and sustainable operation of natural gas infrastructure.
As the world moves toward cleaner energy and integrated gas networks, Dingliu remains a trusted partner for building a safer and smarter future in the global energy landscape.
Tianjin Dingliu valve Industry Co., Ltd. is a high-tech enterprise specializing in the valve and automation industry.
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