HVAC(Heating, Ventilation, and Air Conditioning) Humidifier Product Description: HI AIR KOREA (HAK) Humidifier is designed to supply steam to the duct system in order to maintain a comfortable level of humidity in control rooms for NPPs. HAK Humidifier is specifically constructed to operate in NPPs considering size, efficiency, reliability, and maintainability. The humidifier is an electric steam heater and shall be UL listed. It is a customizable unit that can be manufactured based on customer requirements. Specification: • Casing - The chamber is made of ASTM A240 type 304 plate with welded joints - The chamber is insulated with 20 mm thick rigid foam with reinforced aluminum foil cladding - A maintenance cover is provided on top of the chamber for heating element removal and cleaning inside of the chamber. • Level Gauge - Sight-glass type level gauge is provided • Base Frame - The base frame is made of carbon steel - Rigid enough to support all components during shipping, lifting and operation - Two drain pipes are installed for water overflow and complete drainage of the water for maintenance • Safety Devices - Electric float-type level switch is provided to cut-off the power to heating element at low water level - High temperature sensor (set point at 150 ℃) is provided inside the chamber to prevent overheating • Heating Element - Heating elements contain nickel and chromium resistance wire centered in a metal sheath and insulated from the sheath by magnesium-oxide refractory - Heating elements are rated for operation at 480VAC, 60Hz, 3-phase • Heater J/B - Heater J/B is the connection point for the power of heating element and level switch • Control Panel - Casing material: Carbon Steel KS D3512 SPCC - Power source: 480VAC, 60Hz, 3-phase - Control source: 120VAC, 60Hz, 1-phase - Ingress Protection: NEMA type 12(Dust-tight type) - Control panel is supplied loose Domestic Track Records Main Client Daewoo E&C KHNP KHNP Project Name Research Reactor Export Saeul NPP #3,4 M254 Shin-Hanul NPP #1,2 M254 Delivery Year 2024~ 2016~ 2011~2018 Supplier Information • Hi Air Korea Co.,Ltd. 047 KHNP-KNP BUSINESS CATALOGUE
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