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  1. bschwak

    Mineral oil leaks

    Little inch, Not sealed systems, they all have an elevated vent.
  2. bschwak

    Mineral oil leaks

    Compositepro, Our vessels are all different sizes, ranging between 100 and 500 liters. They also commonly require agitation with either a propeller or scraper mixer. I don't believe a wax melter would be an effective application. Some of our vessesls use "dry" heat, and obviously we don't have...
  3. bschwak

    Mineral oil leaks

    LiitleInch, We use these in a variety of portable vessels that have an oil jacket. I have no idea of what our operating pressure is, I doubt we've ever measured it. The material being heated is generally a petroleum and/or wax based cosmetic product. These systems are homemade in most cases...
  4. bschwak

    Mineral oil leaks

    Thank everyone, I think we need to look into a redesign of our heating systems
  5. bschwak

    Mineral oil leaks

    So the heater specs are as follows: VULCAN Spa and Hot Tub Heater: 1.5kW/6.0kW, 120/240V AC, 1-phase, 5/15 gpm, Flow Through (from Grainger). Female threaded on both ends. Low pressure, temperatures generally in the range of 50-80C. We pump a food grade mineral oil through the system.
  6. bschwak

    Mineral oil leaks

    [/indent]thread378-146020 Responding to the thread above. We use spa heaters in a recirculating system. The spa heaters are 1 1/2" NPT female threaded on both ends. We are plagued by oil leaks. It seems like I have tried every solution out there: Blue Monster tape(with and without dope)...

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