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https://kaeferenergy.no/wp-content/uploads/2022/07/ENERGY_Drainplug®-1024x768.png1024768The drainage plug is a key component in several of our products, such as the ENERGY Firecover® fire box, ENERGY Fireshield® fire panels, and fire protection systems for valves and flanges. During normal operation, the plug keeps the drainage hole open, allowing water to drain out. When the product is exposed to fire, a specially...