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  • PFHF WS-K 防火阀（圆形）.jpg

PFHF WS-K 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 WS-K fire damper (round)

Category:

Fire Damper

Email:

asli@shinelong.com

Phone:

18221910198

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  • Product Description
  • Technical parameters

  • PFHF WS-K 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, featuring beautiful appearance, good corrosion resistance, and long service life.
    ● The valve assembly adopts the internationally advanced sheet metal connection technology - TOX weld-free connection process.
    ● 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 lubrication and ensuring permanent lubrication.
    ● Normally open, when the airflow temperature in the pipeline reaches 280℃, the fuse will act and the valve will automatically close.
    ● The valve can be manually opened and closed, and manually reset after the valve action.
    ● The valve has six airflow opening levels.
    ● Can output valve closing signal.
    ● Minimum Φ size is 160.
  • Air leakage < pressure difference 300Pa> ≤500m3/m2  •h
    Valve fire rating 1.5h
    Fuse operating temperature 280 ℃
    Control voltage DC 24V
    Operating current 0.3A
    Microswitch contact capacity AC380V 3A
    Resistance coefficient at full opening <0.5

Keywords:

Fire damper

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