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  1. #1
    Join Date
    Nov 2004
    Location
    up in the hizzy
    Posts
    1,376

    NRP vacuum pumps

    tried the 12 CFM one today, brand new pump and what a piece of junk those things are, heavy son of a gun and slower than molasses.

  2. #2
    Join Date
    Oct 2012
    Posts
    3,547
    I went to United a few years ago to buy a new vacuum pump. The guy at United actually told me not to buy a NRP vacuum pump, because they where no good.

  3. #3
    Quote Originally Posted by valdelocc View Post
    tried the 12 CFM one today, brand new pump and what a piece of junk those things are, heavy son of a gun and slower than molasses.
    Well, pumps are known to be very heavy in that CFM range. Why is this news to you?

  4. #4
    Join Date
    Sep 2008
    Location
    Western PA
    Posts
    25,567
    Jeez, short of a large unit start-up what in the world do you need a 12 CFM pump for, anyway?

    5-7 is more than adequate for 99% of service work.

  5. #5
    Quote Originally Posted by jpsmith1cm View Post
    Jeez, short of a large unit start-up what in the world do you need a 12 CFM pump for, anyway?

    5-7 is more than adequate for 99% of service work.
    For sure.

    Doing the math that pump is good for over 120 tons.

    Shhesh.. I just bought a 7 CFM and it's over kill. I got it because the price was great.

  6. #6
    Join Date
    May 2000
    Location
    Houston, TX, USA
    Posts
    343
    I have used my 6 cfm pump on 500 ton chillers without any issues. Just pull with 1/2" hose. It's pulled them down with no prob.

  7. #7
    Join Date
    Nov 2004
    Location
    up in the hizzy
    Posts
    1,376
    Quote Originally Posted by jpsmith1cm View Post
    Jeez, short of a large unit start-up what in the world do you need a 12 CFM pump for, anyway?

    5-7 is more than adequate for 99% of service work.
    somebody in the office came up with idea of having a gangbox set up for chiller work, they bought a whole bunch of crap including the NRP boat anchor, I didnt need it but gave a try anyways.

  8. #8
    Join Date
    Aug 2012
    Posts
    2,645
    I'm not a big fan of nrp period but that's my humble opinion.
    My name is TooCoolforschool and I am a chronic over charger.

  9. #9
    Join Date
    Jul 2007
    Location
    Delaware
    Posts
    3,824
    I was looking at that 5cfm pump in the video posted on trutech tools site. Seems to work just fine.

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