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  • Users: chrisflood
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  1. chrisflood

    Fire Dampers

    Hello All! I am looking for information on Fire Dampers which will be installed along ETFE lined Stainless Steel ductwork. The duct system is extracting acid exhaust, thus it will be lined to resist attack from the acid exhaust fumes. The fire damper must be capable of withstanding the same...
  2. chrisflood

    Stainless steel ductwork

    Hello, can someone direct me to a good guide or educate me as to the differences between 314 & 316 & 318 stainless steel as used in ductwork applications. Also, I have heard of ductwork being classified as class 1, 2, 3 etc can anyone explain this please. Many thanks for any help in advance.
  3. chrisflood

    Stainless steel ductwork

    Hello, can someone direct me to a good guide or educate me as to the differences between 314 & 316 & 318 stainless steel as used in ductwork applications. Also, I have heard of ductwork being classified as class 1, 2, 3 etc can anyone explain this please. Many thanks for any help in advance.
  4. chrisflood

    Eta of motor & pump

    I am trying to understand the term Eta in relation to pumping. What is Pump Eta. What is Pump+Motor Eta. Is this an efficiency term and if so what is the difference between motor efficiency and pump Eta. How is pump Eta measured. Any help would be greatly appreciated.

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