• Air-handling unit
  • Air-handling unit

    Nuclear safety level NNS Seismic category of complete machine Class II Quality assurance level of complete machine QRA3

    Range of application

    Applicable Standard "Design and Construction Rules for Mechanical Equipment of PWR Nuclear Islands" RCC- M "Design and Construction Rules for Electrical Equipment of PWR Nuclear Islands" RCC-E "Code on Nuclear Air and Gas Treatment" ASME AG-1

1.The unit adopts a high-strength cage type heavy-duty frame, the box can withstand pressure difference between the inside and outside 4500Pa, with high strength, good sealing, no cold bridge and so on;

2.Integral wrapped type windward bypass valve and streamlined double-blade split structure reduce equipment volume and have low flow resistance;

3.Rear-bend-type voluteless fan features by small size, light weight, and low noise;

4.The efficient copper tube copper fin heat exchanger is adopted and the tube plate flanged-hole is equipped with copper guard ring to reduce local wear and extend the service life.


Applicable Standard 
"Design and Construction Rules for Mechanical Equipment of PWR Nuclear Islands" RCC- M 
"Design and Construction Rules for Electrical Equipment of PWR Nuclear Islands" RCC-E 
"Code on Nuclear Air and Gas Treatment" ASME AG-1