MECHANICAL Electrical Instrumentation & Control Chemical Engineering Service & Maintenance Damper Control Damper Product Description: HI AIR KOREA (HAK) Control Dampers for nuclear power plants can be installed in HVAC systems provided for various buildings of nuclear power plants. HAK Control Dampers are used to regulate the airflow rates automatically to ensure the required conditions of the plant. These dampers are available as safety-related (SR) and non-safety-related (NSR) items. Safety-related dampers are fabricated with Q-class components and dedicated commercial-grade items, and are verified for seismic qualification (SQ). They can also be verified for environmental qualification (EQ). Specification: • Design Base - DA of ASME AG-1 (KEPIC MH) - IEEE 323 - IEEE 344 (KEPIC END 2000) - IEEE 382 (KEPIC END 3700) - AMCA 500-D • Design Pressure: 10 in. W.G. • Leakage Classification in accordance with ASME AG-1, Appendix DA-1 - Blade(Seat): Leakage class 0 (BY Type only) or Ⅱ - Frame: Leakage class A or B • Damper Actuator Type - Pneumatic actuator, spring return (PSR) - Electro hydraulic actuator, spring return (ESR) • Function: Isolation/Modulation • Damper Blade Type - Opposed blade (OB) - Parallel blade (PB) - Butterfly blade (BY) • Standard Construction - Frame: Carbon steel + Hot dip galvanized - Blade (Seat): Carbon steel + Hot dip galvanized - Blade Seal: EPDM and silicon gasket - Shaft: Carbon steel + Electro galvanized - Actuator Support: Carbon steel + Hot dip galvanized Supplier Information • Hi Air Korea Co., Ltd. Domestic Track Records Main Client KHNP KHNP Project Name Saeul NPP #3,4 M254 Saeul NPP #3,4 M254 Delivery Year 2011~2018 2016~ 024 MECHANICAL
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