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Thread: Vacuum limitation of SS Dairy receiver/releaser

  1. #1
    Join Date
    Feb 2013
    Location
    Muncie, IN
    Posts
    10

    Default Vacuum limitation of SS Dairy receiver/releaser

    So, my family was finally forced out of the dairy business about a year ago, and they've been gradually getting rid of the equipment from the parlor and milkhouse. I am finally getting ahold of all of the SS pipeline for plumbing up my sugarhouse and bulk tanks, and they still have the receiver/transfer pump and controller that it looks like I'm going to be able to get ahold of. For 2 years I have been using a mechanical releaser, but I am at work during the day and can't keep tabs on stuff and had issues with ice a few times last year, so I'd like to go to an electric releaser. The only thing that I am a little wary of is whether or not I can pull high vacuum on one of the SS receivers. I know lots of people do it with the glass jars, but I wasn't sure if the SS style can handle the higher vacuum. I've seen enough pictures of people turning Zero tanks into a crumpled pile of SS to make me a little wary. So has anyone used one of these or seen one used with vacuum of 27"+?

    This is almost identical to what they've got:
    receiver.JPG

    If it wasn't costing me anything, I'd give it a shot and hope for the best, but since it is a multi-member family farm and a couple of the uncle's are a little territorial about stuff, I've got to tread lightly and give them a fair price for it even though Dad would be fine with me just taking it all.
    2013 4 on buckets, kitchen stove/grill
    2014 40 on buckets, Mason 2x3
    2015 150-200 gravity, 20x24 sugarhouse 75% complete
    2016 Can't remember but still on gravity
    2017 70 sap sacks, ~315 on vacuum
    2018 60 sap sacks, 445 on vacuum
    Leader Oil-Fired 3 X 8 w/steamaway
    Deer Run RO 250gph
    Kubota M7040 and a very helpful wife

  2. #2
    Join Date
    Mar 2009
    Location
    Millmont,Pa
    Posts
    423

    Default

    I have a BB2 and a glass receiver. The most I can pull is about 22" of vacuum. Now, that's with the pump on the bottom of the jar to
    dump it. I think the problem you will have is there, the pump is not strong enough to overcome the vacuum. Mine actually struggles at 18".
    What I did to alleviate the problem was install a solenoid bleed valve in the vacuum line between the pump and the jar. I had to orifice
    it to bleed through about an .060 hole. The solenoid is turned on by the pump switch. When it calls to dump the pump kicks on
    and the solenoid opens bleeding vacuum down to a manageable 18" of vacuum. This way you don't loose that much vacuum and it
    recovers fairly quickly.
    90 taps on vacuum
    140 taps on 5/16 gravity
    88 taps on 3/16 gravity
    about 45 buckets
    neighbor bringing from 45 taps

    http://s848.photobucket.com/albums/a...%20Sugarshack/

  3. #3
    Join Date
    Mar 2013
    Location
    Hoosick Falls
    Posts
    2,006

    Default

    WP_20150331_21_26_09_Pro.jpgWP_20150324_14_05_21_Pro.jpg
    I have for a few seasons been using a glass delaval releaser and glass tees to connect the incoming wet lines to the releaser. No issues at all. The pump below the jar has a check valve after the pump so the pump is all ways wet so there is no issue.

    Glass is great for tours nd watching the system cycle. If you have an issue with the probe sensing let me know Ill explain the fix.

    These units make vacuum not consume it like a mechanical releaser.

  4. #4
    Join Date
    Feb 2013
    Location
    Muncie, IN
    Posts
    10

    Default

    I've got a glass receiver jar that I bought with my Surge Alamo 60 a few years ago, never used it yet since I didn't have a pump for it, so I could plumb it up instead of the stainless tank, but since the pump is already plumbed for the stainless receiver, I was hoping to use it since I'd have to buy it with the pump & controls anyway. It sounds like people have mixed results overcoming the vacuum, which is likely just a matter of setup or the condition of the pump, but so far I've still only ever seen it done with the glass jars, which leaves my original question still out there. Will I collapse the SS receiver since it was never designed to do that? The fact that there is a vacuum relief valve mounted 2 feet away from it and not just at the pump makes me wonder if that was a source of concern and the reason Delaval added in the additional safety.
    2013 4 on buckets, kitchen stove/grill
    2014 40 on buckets, Mason 2x3
    2015 150-200 gravity, 20x24 sugarhouse 75% complete
    2016 Can't remember but still on gravity
    2017 70 sap sacks, ~315 on vacuum
    2018 60 sap sacks, 445 on vacuum
    Leader Oil-Fired 3 X 8 w/steamaway
    Deer Run RO 250gph
    Kubota M7040 and a very helpful wife

  5. #5
    Join Date
    Mar 2011
    Location
    Potter County, PA
    Posts
    809

    Default

    is it a relief valve or is it an air injector used in washing the pipeline?
    2008 4 buckets
    ~
    2016 1300 vac tubing
    18x24 sugar shack
    2x6 Grimm Lightning w/preheater on natural gas
    7" full bank press
    CDL 600 RO
    2000 Sonoma w/ 200gal tank
    2003 Duramax w/ 500 gal tank
    2 sap guzzling kids
    very patient wife!

    Same ol' addiction

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