• product brand:INFINAIR
  • Numéro de stand:W4C43
  • product specification:PKF-DK-500×500
  • product category:Ventilation Plants-Fire protection flaps (vents) and accessories-
  • product introduction:Material: galvanized steel plate Structure: mainly composed of valve body, blade, shaft, shaft sleeve, connecting rod, seal, actuator and other parts. Its structural form is divided into square (flange: 35mm common plate flange) and outer circle and inner square (flange: 30mm flanging flange). Main technical parameters: leakage rate: ≤ 2% Resistance coefficient at full opening: ≤ 0.5 Control mode: manual and electric Purpose: It is installed on the air duct of the ventilation system with ventilation requirements to adjust the air volume and control the wind speed.