Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations cowski on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Recent content by MFranklin

  1. MFranklin

    Bleed off from Cooling tower

    3 gallons of water at minute for every 100 tons of capacity. This is in addition to make up for carry over. Which is also 3gpm/100t. A rule of thumb from the ammonia refrigeration trade.
  2. MFranklin

    Line tap fitting

    I need help identify a source for a fitting. A company I worked for about 10 years ago used these. It was a 't' shaped fitting, you would weld one cross arm of the tee to the pipe, the other arm has a threaded cap that covers what resembled a valve stem, it was actually a piercing rod. You...
  3. MFranklin

    ammonia refrigerant

    To answer your questions: 1) I've been involved with ammonia refrigeration since 1996, both as a design/build contractor and a year as an operator. 2)Ammonia is listed as a highly hazardous chemical due to its flammibility properties (which is rare) so in my book training is required. Legally...
  4. MFranklin

    Need help finding an insulation

    If I have read you posts correctly I believe you have two problems. You said the steam is released on the production floor, rising up through the suspended ceiling and heating the concrete floor of the office space above. I am not sure how much of the office humidity problem is a result of...
  5. MFranklin

    hansen AP-8 ammonia air purger

    First measure the temperature and pressure at some point in the system to see if you have non-condensible gases in the system. Hansen has very good web site that has the manuals for most of their products. It's www.hantech.com I work for a ammonia refrigeration design build contractor and the...

Part and Inventory Search