China Huadian Engineering Co., Ltd.
Industrial Steam Trunk Network
Large-diameter, long-distance buried steam trunk network.
Shanghai Kehua Thermal Pipe Co., Ltd.
Founded in 2001, Kehua is a high-tech company dedicated to pre-insulated thermal pipelines and related system services, with 1,000+ projects and 5,000+ km of pipes delivered for the energy, district cooling, district heating and petrochemical industries.
KEHUA
Industry expertise
Established in 2001, with industry-leading technological accumulation and participation in industry standard setting.
Complete the pipeline project
More than 1000 pipeline projects have been completed cumulatively.
kilometer thermal pipeline
Accumulated production of over 5000 kilometers of thermal pipelines, operating stably in the national pipeline network.
Product Catalog
- Steam buried pipeline accessories
- LIQTHERM Series — Buried Hot Water & Low-temp Fluid Pipe
- POLY-FLEX Series — Non-metallic Water Pipe
- LIQ-X Series — Multi-purpose Composite Buried Pipe
- FLOWTHERM Series — Buried Pipe with Insulation Supports
- MULTI-U Series — Composite Anti-corrosion Buried Steam Pipe
- TOUGH-U Series — Rigid-insulation Buried Steam Pipe
- NANO-U Series — High-efficiency Buried Steam Pipe
Projects
PowerChina Fujian Engineering Co., Ltd.
Hongshan Plant to Shishi Parks Steam Network
High-temperature steam from Hongshan Power Plant to two industrial parks in Shishi.
Shanghai Disney Resort
Resort Chilled/Hot Water Network
Ultra-long looped and branched network with stringent lifetime and quality control.
Shanghai Jinqiao-Lingang Industrial Zone
District Cooling Trunk Network
Large-diameter trunk with zoned branch connections, delivering notable energy savings.
Shanghai Hongqiao Hub Heat Network
Energy Network for a World-class Transport Hub
Then-largest DN1000 pre-insulated aboveground water pipes for ultra-high flow.
Fujian Ronghe New Energy Co., Ltd.
China's Longest Nuclear Heating Steam Pipeline
About 42 km — the longest nuclear heating pipeline in China to date.
Tech Insights
Network Installation Practice in Complex Terrain
Resort project: 200+ clashes resolved via BIM coordination, rework below 1%.
Leak Detection: Principles and Deployment
Sensor wires locate leaks via impedance change; most false alarms come from wet joints.
How a Successful Steam Purging Is Organized
A chemical-park example: parameter calculation, temporary piping, target plates and acceptance.
Latest from the Blog
Comparison and Selection Recommendations of Steam Pipe Network Layout Forms — Branched, Looped, and Connecting Networks
This paper compares branched, looped, and connecting steam networks across diameter, heat loss, condensate, and safety: looped/connecting enlarge diameters for emergency loads, in…
Skid-Mounted Units Will Ultimately Solve Thermal Imbalance in Residential Centralized Heating and Hot-Water Heating
China began centralized heating in the 1970s. Thermal imbalance in residential heating has plagued the industry for decades. Why so hard? Earth climate swings while human comfort…
Origin of Heat Networks
Where Did Central Heating Come From? One Article to Understand the Origins and Evolution of Heat Networks
Heat Network Forum
Heat Network Forum by Shanghai Kehua: 26 years of district heating insight on origins, materials, thermodynamics, hydraulics, compensation and safety.
Clients
Shanghai Disney Resort、CHN Energy、cr-power、Kouzijiao、AVINEX、SHANGHAI CIRCUIT、SHENZHEN ENERGY、ZHEJIANG ENERGY、CNNC、Shanghai Jinqiao