Xingtai is a city in Hebei province, home to some 7.1 million people. In 2015, the Xingtai district heating company built a 20 km long transfer line from a power plant outside the city to the city center. The main transfer line also takes care of part of the suburban area’s heat demand.

By adding district heat, Xingtai aims to replace smaller heating boilers with a more environmentally friendly heating system and thus improve air quality in the area.

The underground transfer line uses Vexve DN 1400 butterfly valves as well as different sized steel ball valves with manual gears.