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Models WST‑190 and WST‑250 feature identical appearance and structure, only differing in internal power components. Adopting proven staged combustion technology, NOₓ emission ≤80mg/m³, meeting general environmental‑protection requirements.
Specification Parameters:
WST‑190: Power 330‑2200kW (approx. 280,000‑1,900,000 kcal), suitable for 2‑3 ton industrial boilers
WST‑250: Power 400‑2900kW (approx. 340,000‑2,500,000 kcal), suitable for 3‑4 ton industrial boilers
Turn‑down ratio 4:1, thermal efficiency ≥92%, stable combustion and high cost‑performance.
Fully equipped with complete safety interlocks including UV flame detection, flame‑out protection, gas pressure protection and pre‑purge for reliable operation. Compact body, low noise and long service life. Compatible with natural gas and LPG, supports two‑stage / proportional regulation. Compliant with EN 676 and GB/T 36699 standards.
Widely applied in large‑and‑medium steam / hot‑water boilers, thermal oil heaters, hot‑blast furnaces, material drying, central commercial heating and other industrial heating equipment.
