Blog
Company news, product updates and export market insights from Jiuding Radiator.
Mongolian winters of −30…−40 °C place demands on radiators that differ from European norms. The advantages of steel, the local 150 W/m² sizing convention, and JIUDING's five years on the Mongolian market.
Read more →EN 442 is the standard behind every radiator heat output figure sold in Europe. A procurement-focused guide to ΔT50, ΔT30, the characteristic exponent n — and how to read a test report before you sign a supply contract.
Read more →A practical sizing guide for Spain: watts per square metre by CTE climate zone, corrections for orientation and insulation, and a complete worked example.
Read more →Do radiators work with a heat pump? Yes — if they are sized for low temperature. We explain what ΔT30 means, why COP depends on flow temperature and how to choose heat-pump-ready radiators.
Read more →Radiator datasheets quote "15 atm", "25 atm", "1.0 MPa" or "10 bar". We explain working vs test pressure, how to convert the units, and what margin you need for apartments and single-family homes.
Read more →A cold radiator bottom is not always a fault. We explain when it is normal heating physics — and when it signals sludge, poor balancing or piping errors, and what to do in each case.
Read more →Two new resources for buyers and distributors: a Credentials page with our CE / EN 442 and UKCA documentation, and an FAQ covering the questions we hear most often.
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