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Type: Posts; User: FrostGiant

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    I've been using the Fluke 971. If you really want...

    I've been using the Fluke 971. If you really want accuracy and more options, there's the Fluke 975. I doubt you'll be buying 6 of those to keep in the vans, though!
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    I will reinforce the notion that sulphur attacks...

    I will reinforce the notion that sulphur attacks the phosphorous in the Silphos joints. 56% is a great solution for joints in runs, bu not practical on the rest of the system. I've been servicing a...
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    Browning and Gates. Carlisle and Goodyear make a...

    Browning and Gates. Carlisle and Goodyear make a decent belt as well.
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    Fluke 80PK-8 and 80Pk-10

    Fluke 80PK-8 and 80Pk-10
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    I have rebuilt mine with success, the kit was...

    I have rebuilt mine with success, the kit was around $23. A lot of guys swear by the Appion tool.
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    http://sporlanonline.com/literature-and-educationa...

    http://sporlanonline.com/literature-and-educational-materials/electronic-controls/

    SD-213 SMA-12 – 12 VDC Bipolar Step Motor Actuator
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    The IPT book is actually published in Alberta, I...

    The IPT book is actually published in Alberta, I went to school in New Brunswick. Ask some of the older guys around in the trade they may have one, even the pipe fitters.
    I'm a service tech so I...
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    Swagelok Tube Bending Guide. I bought the book...

    Swagelok Tube Bending Guide. I bought the book and little slide rule, but they also published the info online.
    Also, the book "IPT'S Pipe Trades Training Manual" is an excellent resource. I picked...
  9. Thread: lunch ideas

    by FrostGiant
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    4,119

    Protein Bars, Sweet Potato Chips, Mixed...

    Protein Bars, Sweet Potato Chips, Mixed Nuts/Flavored Nuts. Very quick and easy, can eat while driving and simple to prepare.
    Have lots of water or ice water available throughout the day. I bring...
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    Heat Gain Calculation - Transformers

    When sizing cooling equipment for a MCC Electrical room is there an accurate way to calculate the heat gain from large transformers.
    Is it as simple as KVA x 3.413 , or are there other factors to...
  11. http://cms.esi.info/Media/productImages/Tour_Ander...

    http://cms.esi.info/Media/productImages/Tour_Andersson_Ltd_STAD_balancing_valve_1.jpg
    Something like this?
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    http://di3-1.shoppingshadow.com/pi/i.ebayimg.com/0...

    http://di3-1.shoppingshadow.com/pi/i.ebayimg.com/00/$(KGrHqN,!qkFDkQhHZgbBQ-UefyseQ~~_32-450x450-0-0.JPG

    http://ecx.images-amazon.com/images/I/31fbN5jIpfL.jpg
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    Ultrasonic Water Flow Meters

    Does anybody have any recommendations on what a good flow meter is on the market today? What are the price ranges for these?
  14. Replies
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    612

    I came across a company called Turbotec that...

    I came across a company called Turbotec that actually offers titanium/stainless steel coax coils, but haven't found much in terms of capacties, flow rates, dimensions and whatnot. Does anybody have...
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    We usually set the head pressure around 225-235...

    We usually set the head pressure around 225-235 on these systems, they're R-22. If there were ever a loss of water pressure or a restriction in the system causing the head pressure to rise, I'd...
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    What about brazed plate HXs? The plates are...

    What about brazed plate HXs? The plates are stainless steel but the brazing material is either copper or nickel. The water would still come in contact with the copper so I don't think I'd be any...
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    Cupronickel Condensers

    Does anybody here have experience with cupronickel condensers? How do they hold up in comparison to standard copper for water with moderate to high chlorine content? I checked with my supplier and...
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    As long as it was quiet enough, I have no...

    As long as it was quiet enough, I have no objections. Very sensitive to noise when sleeping. Could always insulate the compressor with acoustic lining?
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    Yes, a basement apartment.

    Yes, a basement apartment.
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    361

    This is in a apartment so mini split is not an...

    This is in a apartment so mini split is not an option, not allowed to have penetrations through outside wall.
  21. Replies
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    361

    Small capacity window air conditioner

    Any recommendations on a small capacity (<5,000 btu) window air-conditioner. This is for a bedroom so low sound levels are essential. The room is just 100 sq.ft and in a basement.
  22. If you are referring to mini splits, Mitsubishi...

    If you are referring to mini splits, Mitsubishi has just released a system designed for server rooms with a higher sensible heat ratio (80-90%) and rated for continuous operation, even at -40C. It's...
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    I would not be concerned about a minimum suction...

    I would not be concerned about a minimum suction gas temperature as long as there is positive superheat. Oil dilution, flooding and slugging would be more of an issue at that point.
    I've seen low...
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    65F is the maximum recommended suction gas...

    65F is the maximum recommended suction gas temperature for a hermetic compressor in a air-conditioning or high-temp application.
  25. Replies
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    Mastercraft from Canadian Tire has an open end...

    Mastercraft from Canadian Tire has an open end ratcheting wrench set.
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    ASHRAE Journal Back Issues

    Does anybody know where to purchase back issues of Ashrae Journal for a decent price? I'm looking for issues from the past couple of years mainly, but would consider older ones.
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    Every 2 degress of subcooling will increase...

    Every 2 degress of subcooling will increase evaporator capacity by 1%.
  28. Replies
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    This is the AOP forum... only vetted members may...

    This is the AOP forum... only vetted members may post in the AOP area due to the DIY rules.

    Post removed.
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    I have the exact same unit, has been running...

    I have the exact same unit, has been running steady for about 2 years now.

    There is a condensate pump in the drain pan on the unit. As the condensate level rises, the float activates and pumps...
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    I thought prestolite was just another name for...

    I thought prestolite was just another name for air/acetylene. I use the TurboTorch setup with quick connects and the standard B Tank. The tips are use are the a-11,1-14 etc.. Will they fit with my...
  31. Replies
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    The Cap'n hook is for Oxy as far as I can tell, I...

    The Cap'n hook is for Oxy as far as I can tell, I do not have an oxy rig, just straight acetylene. Do you have a link?
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    There are charts for the Suction Driers to...

    There are charts for the Suction Driers to determine when the cores should be changed, these go by pressure drop and are different for permanent and temporary installations. (Form 40-109 from...
  33. An enthalpy calculation will tell you how well...

    An enthalpy calculation will tell you how well the coil is performing.

    QT = 4.5 x cfm x Δh
    You will need a wet bulb temperature along with the listed dry bulb temps. to find the ΔEnthalpy. ...
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    Multiflame Torch Tips

    Does anybody know of any multiflame torch tips that are a available for Prestolite (Air/Acetylene) ? I have a seen all kinds of different shaped ones, "U", "V" wishbone and hook types, but there are...
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    Fluke 975 would cover the co, co2, wb, db and...

    Fluke 975 would cover the co, co2, wb, db and humidity...
    Fluke 983 performs particulate counts.

    Neither one of them is what I would call affordable though. As far as reliability and accuracy, I...
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    Fluke 52 II with 80pk-1 general probes and 80pk-8...

    Fluke 52 II with 80pk-1 general probes and 80pk-8 pipe clamp.
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    Was the air temperature remaining constant?

    Was the air temperature remaining constant?
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    Fluke 971 Accuracy/Calibration

    I recently purchased a used Fluke 971 online, it is in absolute mint shape, looks brand new. The relative humidity readings seem a bit low to me, is there any way to verify the readings or to...
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    HPAC Magazine...

    HPAC Magazine http://www.hpacmag.com/issues/de.aspx
    Mechanical Business http://www.mechanicalbusiness.com/
    Plumbing and HVAC http://www.plumbingandhvac.ca/
    Green Mechanical Contractor...
  40. Sporlan Secondary Fluid Valve and Controller

    Anybody out there installed these yet? Seen them advertised in a couple of trade magazines and read the bulletins for it... looks awesome. Any idea what the price is on them?
  41. Replies
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    They are Johnson water regulating valves, as...

    They are Johnson water regulating valves, as wolfdog had mentioned in the previous reply. Not sure what the temp. rise is off the top of my head. I'll be going back to the site later on this week,...
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    This is an open loop, waste-water system.

    This is an open loop, waste-water system.
  43. Replies
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    High pressure cut out is 350 for the R-22 Unit....

    High pressure cut out is 350 for the R-22 Unit. Not sure of the 410a unit, it's a bullet style switch.
    trykonxlgold75... The main supply is stainless steel, the branch for the 3-ton is copper and...
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    Not all plate exchangers are set up that way....

    Not all plate exchangers are set up that way. Often times the manufacturer will changed their standard piping arrangement for custom jobs such as small, packaged units.
    The standard is usually...
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    Water Cooled Unit Piping

    Had a service call the other day, customer was complaining they had 2 units that had been tripping on high head periodically over the past few months.
    I checked the head pressures on the units....
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    If you register and login you will see the...

    If you register and login you will see the bluerprints and description of the item. Still not what I was looking for.
  47. Replies
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    http://www.patentstorm.us/patents/pdfs/patent_id/5...

    http://www.patentstorm.us/patents/pdfs/patent_id/5513425.html
    This is somewhat the idea, but I am looking specifically for the tool that does the actual tubing wall tapering.
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    I have seen one of these before, from Imperial...

    I have seen one of these before, from Imperial Eastman, not what I was looking for. I guess it's more of a taper than a restriction. Maybe the tool is only available factory, not for field use?
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    Hah. I don't have any pics available right now,...

    Hah. I don't have any pics available right now, I'll see what I can find.
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    Yeah, I see it now, sorry about that.

    Yeah, I see it now, sorry about that.
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