Why Large-Scale Projects Specify PE-Xa: Stadiums, Railway Stations and Residential Towers

　　Specifying pipe for 400,000 m² is a different exercise A single-family retrofit and a national transport hub do not make the same demands on a pipe. In one, a failure means a repair; in the other, it means closing a facility used by millions. Here are three installations from our project record — and what they have in common.

　　1. Beijing Fengtai High-Speed Railway Station — 300,000 metres in one building Fengtai Station in Beijing's Fengtai District reopened in 2022 after extensive reconstruction and is Asia's largest railway station: 32 platforms, 32 tracks, a footprint of over 400,000 m², and a solar-panel roof serving the Beijing–Guangzhou and Beijing–Shanghai high-speed lines. For all of its floor heating systems, the project specified PE-Xa pipe 25×2.3 mm with EVOH oxygen barrier — a total of 300,000 metres. Why it matters: 300 kilometres of pipe is a circuit that cannot be accessible everywhere. Every metre must resist oxygen diffusion into the heating water, because oxygen ingress corrodes system components downstream and quietly destroys the whole installation. That is precisely what the EVOH barrier layer is for.

　　2. Beijing Workers' Stadium — performance under cycling Built for the 26th World Table Tennis Championships held in April 1961, the Workers' Stadium in Sanlitun, Chaoyang District, is the first stadium to appear on the stamps of the People's Republic of China and seats 15,000 spectators. It has hosted thousands of events. Why it matters: a venue like this runs in bursts — intense heating load when in use, long idle periods between events. Pipe in such a system must tolerate repeated thermal cycling without fatigue. The homogeneous molecular structure of PE-Xa, produced by the Engel peroxide method, is exactly the property that makes this cycling manageable.

　　3. Residential complex "Impulse", Nizhnevartovsk — the cold-climate test Our reference project in Nizhnevartovsk, Mira Street, Khanty-Mansi Autonomous District, uses a Ritable heating system throughout. Why it matters: cold-climate residential towers are the harshest real-world test. The heating circuit never fully rests between October and April, and the pipe must hold its rated performance continuously for decades.

　　4. What all three specify

　　5. A four-point checklist for specifiers Before you approve a pipe for a large project, confirm: (1) the barrier layer is genuine and continuous; (2) the cross-linking method and its uniformity; (3) the connection system and its tooling; (4) the manufacturer's batch and certification records. For the components that complete the circuit, see our manifolds and Easy Expansion fittings, or browse project references.

　　A pipe that has heated a national railway station can heat your next project.