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Thread: New CDL vacuum pump

  1. #1
    Join Date
    Mar 2011
    Location
    North Grenville, Ontario
    Posts
    929

    Default New CDL vacuum pump

    Was thinking of upgrading my vacuum pump on one of the bushes this year. Bush is about 500 taps on a mechanical releaser with 1 large sap ladder carrying about 250 taps. It’s been run on a delaval 73 for a couple years and worked fine. But would like to get a little more vacuum then the 22-24” that the 73 will do.
    I got a pretty good price from CDL for their high performance rotary vane pump but not too impressed with the specs at the higher vacuum that I would like to run at. Obviously I’m not gonna run it at 29” of vacuum. Don’t think my releaser would like that too much. But I’d like to run it at at least 26-27”. CFM specs for the pump don’t really look to good at those levels.

    Here are the specs for the pump

    CDL vane pump 1HP with air inlet filter kit 1/2'' factory install. 120V wire + plug factory install.
    Capacity of 650 taps.
    14 ACFM.
    Max vacuum of 29.8''HG.
    Performance:
    7.5 CFM at 15'' HG. 4 CFM at 20'' HG.
    2 CFM at 25''HG.
    1 CFM at 27HG.
    0.75 CFM at 28'' HG.
    0.25 CFM at 29'' HG.
    8.5A 110V, 4.25A 240V.
    Last edited by Bricklayer; 10-28-2023 at 07:38 AM. Reason: Spelling
    600 taps on vacuum
    Lapierre mechanical Releaser
    CDL electric releaser
    2.5 x 10 CDL Venturi
    Home made auto draw off
    Homemade RO 2 x 4" membranes
    CDL 16 x 16 bottler
    Wesfab 7" filter press
    Delaval 73 vacuum pumps

    12 hives of bees

  2. #2
    Join Date
    Sep 2010
    Location
    Vermont
    Posts
    2,169

    Default

    Iím in the process of setting up two new sugar woods. I went to CDL and their price was best, but there is a problem. The CDL dealer that I was talking too just replaced his CDL pump with a Busch pump from Lapierre. Seems he has nothing nice to say about the pump he sells. I talked to another CDL employee and he told me to stay away from the CDL pumps. Thatís two CDL employees sending me to Lapierre. Itís safe to say, Iím buying two new Busch pumps for my two new woods. CDL sell great equipment, but apparently there pumps are not the best.

    Spud

  3. #3
    Join Date
    Mar 2011
    Location
    North Grenville, Ontario
    Posts
    929

    Default

    The pumps from CDL are just re- branded Becker pumps. Exact same.
    600 taps on vacuum
    Lapierre mechanical Releaser
    CDL electric releaser
    2.5 x 10 CDL Venturi
    Home made auto draw off
    Homemade RO 2 x 4" membranes
    CDL 16 x 16 bottler
    Wesfab 7" filter press
    Delaval 73 vacuum pumps

    12 hives of bees

  4. #4
    Join Date
    Sep 2010
    Location
    Vermont
    Posts
    2,169

    Default

    I need to clarify what I said in my past post. My CDL dealer did not talk bad about the CDL pumps. I did have another CDL employee from Saint Albans tell me they were not reliable. Maple Trader is a forum for sugar makers to share thoughts, concerns and ideas. This is what I was doing when I made my post. My hope is a sugar maker will make the best decision in purchasing his or hers equipment. In past years I have been told by large and small sugar makers as to what to buy and what to stay away from. This information helped me to make the best decision with my money. Iím sure that many post have been made on Maple Trader that was disliked by certain maple equipment companies. The only way a person is going to know for sure as to whatís good and whatís bad is to talk to the people that have used the products. This is where Maple Trader is the most helpful.

    Spud

  5. #5
    Join Date
    Aug 2009
    Location
    Wardensville, Wv
    Posts
    283

    Default

    Quote Originally Posted by spud View Post
    I need to clarify what I said in my past post. My CDL dealer did not talk bad about the CDL pumps. I did have another CDL employee from Saint Albans tell me they were not reliable. Maple Trader is a forum for sugar makers to share thoughts, concerns and ideas. This is what I was doing when I made my post. My hope is a sugar maker will make the best decision in purchasing his or hers equipment. In past years I have been told by large and small sugar makers as to what to buy and what to stay away from. This information helped me to make the best decision with my money. Iím sure that many post have been made on Maple Trader that was disliked by certain maple equipment companies. The only way a person is going to know for sure as to whatís good and whatís bad is to talk to the people that have used the products. This is where Maple Trader is the most helpful.

    Spud
    I think you are right, in the end we are all out to make syrup. Sugar makers measure efficiency in time and in $, and some are happy to sacrifice efficiency and $ for memories, which is all great. Just like any other agricultural enterprise, you do your research, talk to folks who have the gear you are considering, sometimes there are deal breakers, sometimes what works great for them, won't work for you. Maybe if you live in a maple heavy area you have a Ag extension agent who can help. I'm always weary of brand reps pushing their product (yes that's their job) I would say you have a good dealer if they want you to have something that will work for you instead of just pushing a sale. We aren't making Leader syrup, CDL syrup, or Lapierre syrup....it's Maple Syrup! use whatever tools will get you there the way you want to get there
    2023 - 38 Gallons - RO broke, Buckets didn't run, rebuilt vacuum pump mid-season, still made good syrup!
    2022 - 52 Gallons - DIY RO, 50% less fuel, no late nights in the shack!
    2021 - 48 Gallons - new pans, new arch, lots of new taps and tubing
    2020 - 32 Gallons
    2019 - 27 Gallons

  6. #6
    Join Date
    May 2015
    Location
    Vermont
    Posts
    174

    Default

    Quote Originally Posted by Bricklayer View Post
    The pumps from CDL are just re- branded Becker pumps. Exact same.
    That is good information.

  7. #7
    Join Date
    Jun 2009
    Location
    Verona, NY
    Posts
    409

    Default

    don't be afraid to run that releaserr at 28.5", theyre built to run there and they actually seem to be more reliable at higher vacuum.
    a big thing with the rotary vane pumps like this is having a really good moisture trap, that increases reliability. i haven't had great experiences with a gas CDL pump, but i attribute the issues to the gas motor causing issues more. the electric pumps should be more reliable and Becker does make a good pump as long as it's maintained, i know of several around that work well. that being said, you may want to look at Atlas Copco or busch as i have several seasons on each of them with great luck.
    7000 taps on vacuum, just trying to get a little better every year.

  8. #8
    Join Date
    Mar 2013
    Location
    Thetford, VT
    Posts
    442

    Default

    We have a smaller sugarbush with about 750 taps now. We are looking to expand (as time allows) to 1,000-1,200 taps. We cover a larger area to reach a few trees here and there.

    We started with a CDL Liquid Ring 3hp vacuum when we went that route from a Guzzler. The releaser was 750 feet away and was a CDL vertical unit rated for 750 taps (definitely not going to exceed that in that area). Worked great until regular service became evident. Then back to working great and we added a 3000 tap horizontal (better design to deal with ice issues we experienced on the vertical 750. The first year was good and then everything was a challenge...amount and ability to hold any vacuum.

    In talking with our CDL Dealer we were told those liquid ring pumps looked great on paper, worked great with a single releaser, and just could not keep up with multiple releasers. I noticed the ring area is smaller than most other brands. We did the maintenance, but it just couldn't any longer.

    Our CDL Dealer recommended a current CDL Rotary Vane and advised they had a 3hp single phase pump we could borrow. We did and noticed an immediate improvement. We ran it for a week and knowing the SMD (Sugar Maker Disease) we went with a 5hp 3 phase unit which could be "turned down" when appropriate. We received the unit about 4 days before the end of the season. We should have bought this unit from the get go.

    A 3 phase unit can be adjusted. Just a thought. I also looked at the total length of mainline and felt the extra was worth it. Maybe a look at the 3hp unit.

    Everyone has their experiences. Our are narrow to CDL because of the great customer support we have received since buying our first CDL device. Our Dealer has always taken care of us and given no reason to look elsewhere. We have looked at other brands for ideas and to see if something else fits. You need to do what's right for you and good dealer support might be the swing factor.

    Good Luck,

    Mike
    Tapping since 1985 (four generations back to early to mid 1900s). 200-250 taps on buckets and then tubing in the mid 90s. 2013- 275 taps w/sap puller 25 gal. 2014-295 taps w/sap puller 55 ga. (re-tapped to vacuum theory) 2015-330 taps full vac. 65 gal, 2016-400 taps 105 gal, 2017-400 taps 95 gal. 2018-additional 800' mainline and maybe 400 new taps for a total near 800 taps. 2x6 Leader WSE (last year on it) supported by a 250 gph RO.

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