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  • PFHF WSDcc-K 排烟防火阀（圆形）.jpg

PFHF WSDc-K smoke exhaust fire damper (round)

Main components: valve body, valve disc, shaft, bushing, fuse, inspection port, actuator. The valve body and disc are made of high-quality galvanized steel plate, which has the advantages of beautiful appearance, good corrosion resistance, and long service life.
  • Commodity name： PFHF WSDc-K smoke exhaust fire damper (round)

Category:

Fire Damper

Email:

asli@shinelong.com

Phone:

18221910198

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  • Technical parameters

  • PFHF WSDc-K Smoke Exhaust Fire Damper (Round)

     

    ● Main components: valve body, valve disc, shaft, bushing, fuse, inspection port, actuator
    ● The valve body and blades are all made of high-quality galvanized steel plate, with the advantages of beautiful appearance, good corrosion resistance, and long service life.
    ● The valve assembly adopts the internationally advanced sheet metal connection technology - TOX weld-free connection technology.
    ● A V-shaped anti-slip structure is designed between the blade and the rotating shaft to ensure that the blade does not slip or loosen under high wind speed.
    ● The blade rotating bearing and connecting rod rotating bearing both use oil-containing copper powder metallurgy bushings, requiring no oiling, ensuring permanent lubrication.
    ● Normally open, in case of fire, the smoke (temperature) sensor sends an electrical signal through the control center, the electromagnet in the actuator is energized, the valve automatically closes, and outputs a closed electrical signal.
    ● The valve can be manually closed or closed by a 280℃ fuse.
    ● The valve has six levels of adjustable air volume opening.
    ● Manual reset after valve operation.
    ● The minimum Φ size is 160.
  • Air leakage < pressure difference 300Pa> ≤500m3/m2  •h
    Fire resistance rating of valve 1.5h
    Fuse operating temperature 280 ℃
    Control voltage DC 24V
    Operating current 0.3A
    Microswitch contact capacity AC 380V 3A
    Resistance coefficient at full opening <0.5

Keywords:

Fire damper

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