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HI AIR KOREA Co., Ltd.

KOREAN

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INDUSTRY

DAMPER

MANUAL DAMPER
(FOR NUCLEAR POWER PLANT)

HI AIR KOREA MANUAL DAMPERS for nuclear power plant can be installed at HVAC systems provided for various buildings of a nuclear power plant.

HAK MANUAL DAMPERS are used to regulate the airflow rates manually to ensure the required condition of HVAC system.

These dampers are available as safety related (SR) and non-safety related (NSR) items. Safety related dampers are fabricated with Q class components & dedicated commercial grade items, and verified for seismic qualification (SQ).

If necessary, they can be verified for environmental qualification (EQ).

  • FEATURES

    MANUAL DAMPER

    • Design base
      1. 1. DA of ASME AG-1 (KEPIC MH)
      2. 2. IEEE 382 (KEPIC END 3700)
      3. 3. ASME N509
    • Design pressure : 10 in. W.G.
    • Leakage classification in accordance with ASME AG-1, Appendix DA-1
      • Blade(Seat) : Leakage class Ⅱ
      • Frame : Leakage class B
    • Damper blade type
      • Opposed blade (OB)
      • Parallel blade (PB)
      • Butterfly blade (BY)
      • Check blade (CK)

    STANDARD CONSTRUCTION FOR MANUAL DAMPER

    Part  Material 
    Frame  Carbon steel + Hot dip gal'v 
    Blade(Seat)  Carbon steel + Hot dip gal'v 
    Blade seal  EPDM and silicon gasket 
    Shaft  Carbon steel + Electro galvanizing 

SALES MANAGER