... be gasified and burnt up in the hearthValve manifolds: WLJG burner adopts specially designed pneumatic-diaphragmatic-valve, namely the ... hammer, and jammed burner, and even system malfunction. WLJG burner is installed with drainage devices in the valve manifolds ... to ensure a safe-running systemAdvanced auto control system: WLJG burner adopts programmable controller. It features hearth automatic sweep, ...