Explosion-proof fire valve, electric control valve
  • Dezhou Longda air conditioning equipment Co., Ltd
  • product brand:Dezhou Longda Air Conditioning Equipment Co., Ltd.
  • Numéro de stand:N4F49
  • product specification:Between 2000~120mm size
  • product category:Ventilation Plants-Fire protection flaps (vents) and accessories-
  • product introduction:The product is suitable for ventilation and air-conditioning systems in Zones 1 and 2 where there are explosive gases or explosive gas mixtures formed by steam and air (such as tunnels, chemicals, coal mines, petroleum, medicine, nuclear power, military industry, subways, textiles, paints, The supply and return air pipelines of arsenals, etc.) are usually open. When the temperature in the pipeline reaches 70 °C during a fire, the fusible sheet is blown, and the valve is automatically closed under the action of the spring force, which can meet the requirements of fire resistance within a certain period of time. Stability and fire-resistance integrity requirements, the valve that plays the role of smoke and fire-resistance, when the valve is closed, it outputs a closing signal.