Manual Damper Product Description: HI AIR KOREA(HAK) Manual Dampers for nuclear power plants can be installed in HVAC systems provided for various buildings of nuclear power plants. HAK Manual Dampers are used to regulate the airflow rates manually to ensure the required conditions of the 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 and dedicated commercial-grade items, and 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 382 (KEPIC END 3700) - ASME N509 • Design Pressure: 10 in. w.g. • Leakage Classification in accordance with ASME AG-1, Appendix DA-1 - Blade (Seat): Leakage class - Frame: Leakage class B • Damper Blade Type - Opposed blade (OB) - Parallel blade (PB) - Butterfly blade (BY) - Check blade (CK) • Standard Construction - Frame: Carbon steel + Hot Dip Galvanized - Blade(Seat): Carbon steel + Hot Dip Galvanized - Blade Seal: EPDM and Silicone Gasket - Shaft: Carbon steel + Electro-galvanized Damper Supplier Information • Hi Air Korea Co., Ltd. Domestic Track Records Main Client KHNP Project Name Saeul NPP #3,4 / Shin-Hanul NPP #1,2 Delivery Year 2016-2021 / 2011-2018 027 KHNP-KNP BUSINESS CATALOGUE
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