CONTROL DAMPER

• Design base
  1. 1. DA of ASME AG-1 (KEPIC MH)
  2. 2. IEEE 323
  3. 3. IEEE 344 (KEPIC END 2000)
  4. 4. IEEE 382 (KEPIC END 3700)
  5. 5. AMCA 500-D
• Design pressure : 10 in. W.G.
• Leakage classification in accordance with ASME AG-1, Appendix DA-1
  • Blade(Seat) : Leakage class Zero (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)