Gast DOA-P704-AA High-Capacity Vacuum Pump, with Gauge, Regulator, and Relief; 1.1 cfm, 25.5" Hg, 115 VAC

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Gast Mfr # DOA-P704-AA – Item # EW-07061-40
Free-air capacities up to 2.2 cfm (62.3 L/min)
  • Shaded-pole, fan-cooled motor has thermal overload switch to protect your pump system
  • Different pump models have heads in parallel for higher capacity or series for greater vacuum
  • Select vacuum pumps with or without gauges, regulators, and valves
  • Runs dry
  • Gauge/Reg; 1.1 cfm/25.5"Hg-60psi/115V

PRODUCT OPTIONS

$571.00USD / Each
Often Bought with…

SPECS & DESCRIPTION

Specifications & Description

  • Wetted Parts304 Stainless Steel, Aluminum, Nordel®, Nomex®
  • Free-Air Capacity (CFM)1.1
  • Free-Air Capacity (LPM)31.1
  • Free-Air Capacity (LPH)1866
  • Max Flow Rate (CFM)1.09
  • Max Flow Rate (Liters/min)31.2
  • Max Pressure (PSI)60
  • Max Pressure (bar)4.2
  • Max Vacuum (in Hg)25.5
  • Max Vacuum (mbar)149.8
  • Max Vacuum (mm Hg)112.3
  • Max Vacuum (torr)112.3
  • Noise Level (dB)68
  • Port Size1/4" NPT(F), 3/8" hose barb on gauges
  • Max Temperature (° F)100
  • Max Temperature (° C)38
  • Duty CycleContinuous
  • Power (VAC)115
  • Power (amps)4.2
  • Power (Hz)60
  • Motor Typepermanent split capacitor
  • Stages1
  • Height (in)10.25
  • Length (in)7.625
  • Height (cm)26.04
  • Length (cm)19.37
  • Height (mm)260.4
  • Length (mm)193.7
  • Motor hp1/8
  • DescriptionHigh-Capacity Vacuum Pump, Gauge/Reg; 1.1 cfm/25.5"Hg/115V

Includes

a 6-ft (1.8-m) three-wire cord with US standard plug.

Key Features

  • Shaded-pole, fan-cooled motor has thermal overload switch to protect your pump system
  • Different pump models have heads in parallel for higher capacity or series for greater vacuum
  • Select vacuum pumps with or without gauges, regulators, and valves
  • Runs dry
  • Gauge/Reg; 1.1 cfm/25.5"Hg-60psi/115V

More About this Item

If you need a small, quiet source of vacuum or pressure, you’ll find the unit for your application in the Gast line of oilless diaphragm air compressors and vacuum pumps. These pumps are available in single- and dual-head styles.

Airflow capabilities for the entire Gast Pump line range from 0.65 L/min up to 3.8 cfm (6.5 m3/hr), vacuum up to 29 in. Hg (31 mbar), and pressure up to 60 psig (4.2 bar). Electric motors are available in dual frequency, shaded pole, and permanent split capacitor (psc) versions, as well as AC multi-voltages for worldwide applications.

ACCESSORIES

REVIEWS

REVIEW SNAPSHOT®

by PowerReviews
Gast DOA-P704-AA High-Capacity Vacuum Pump, Gauge/Reg; 1.1 cfm/25.5"Hg-60psi/115V
 
4.3

(based on 7 reviews)

100%

of respondents would recommend this to a friend.

Pros

  • Easy to use (6)
  • Works properly (5)
  • Durable (4)

Cons

No Cons

Best Uses

  • In the lab (5)
  • In the field (3)
    • Reviewer Profile:
    • Academic/professional researcher (3)

Reviewed by 7 customers

Displaying reviews 1-7

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5.0

We use several of these and they always perform well.

By 

from Albuquerque, NM

About Me Lab Assistant

Verified Buyer

Pros

  • Durable
  • Easy To Use
  • Works Properly

Cons

    Best Uses

    • In The Lab

    Comments about Gast DOA-P704-AA High-Capacity Vacuum Pump, Gauge/Reg; 1.1 cfm/25.5"Hg-60psi/115V:

    We use this pump for applications from vacuuming small particulate through a filter to degassing epoxy in a bell jar. It always works as expected.

     
    5.0

    Excellent produt. Highly recommmended.

    By 

    from Davis, CA

    About Me Student

    Verified Buyer

    Pros

    • Easy To Use
    • Works Properly

    Cons

      Best Uses

      • In The Lab
      • Research

      Comments about Gast DOA-P704-AA High-Capacity Vacuum Pump, Gauge/Reg; 1.1 cfm/25.5"Hg-60psi/115V:

      I find this vacuum pump reliable and easy to use. I have used intensively and had no issues at all.

      (2 of 2 customers found this review helpful)

       
      5.0

      WOW! expect performance for many years

      By 

      from Phoenix, Az.

      Pros

      • Durable
      • Easy To Use

      Cons

        Best Uses

        • In The Field

        Comments about Gast DOA-P704-AA High-Capacity Vacuum Pump, Gauge/Reg; 1.1 cfm/25.5"Hg-60psi/115V:

        This pump is used in a manufacturing facility and experiences wide humidity and temperature changes. Also experiences the occasional "wash down" from careless operators. The unit finally failed after it was completely flooded by the CIP crew during cleanup. After digging through the files I discovered that the pump was purchased in 1996 and has been used m-f every week since then! great unit and have no issues buying anouther one.

        (1 of 1 customers found this review helpful)

         
        5.0

        Perfect little pump.

        By 

        from Tucson, AZ

        About Me Academic/Professional Researcher

        Verified Buyer

        Pros

        • Accurate

        Cons

          Best Uses

          • In The Lab

          Comments about Gast DOA-P704-AA High-Capacity Vacuum Pump, Gauge/Reg; 1.1 cfm/25.5"Hg-60psi/115V:

          Very quiet and compact

          (0 of 1 customers found this review helpful)

           
          2.0

          Relief valve doesn't hold vacuum

          By 

          from Weston, MA

          About Me Academic/Professional Researcher

          Verified Buyer

          Pros

          • Accurate
          • Durable
          • Easy To Use
          • Well Calibrated
          • Works Properly

          Cons

            Best Uses

            • In The Field
            • In The Lab
            • Research

            Comments about Gast DOA-P704-AA High-Capacity Vacuum Pump, Gauge/Reg; 1.1 cfm/25.5"Hg-60psi/115V:

            It works fine for continuous vacuum suction but it leaks vacuum after the pump is switched off. If you need to hold the vacuum, an external check valve is required.

            (1 of 1 customers found this review helpful)

             
            4.0

            Vacuum Pump Worked Well From Start.

            By 

            from Charlottesville, VA

            About Me Manufacturing Engineer

            Verified Buyer

            Pros

            • Easy To Use
            • Works Properly

            Cons

              Best Uses

              • In The Field

              Comments about Gast DOA-P704-AA High-Capacity Vacuum Pump, Gauge/Reg; 1.1 cfm/25.5"Hg-60psi/115V:

              Worked right out of the box with very little setup.

              (4 of 4 customers found this review helpful)

               
              4.0

              exactly what we needed

              By 

              from Boulder, CO

              About Me Academic/Professional Researcher

              Verified Buyer

              Pros

              • Durable
              • Easy To Use
              • Quiet
              • Works Properly

              Cons

                Best Uses

                • Bench scale
                • In The Lab

                Comments about Gast DOA-P704-AA High-Capacity Vacuum Pump, Gauge/Reg; 1.1 cfm/25.5"Hg-60psi/115V:

                Exactly what we needed for benchtop vacuum filtrations. Quieter than expected.

                Displaying reviews 1-7

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                Q&A

                Do you have questions about this product?

                Get answers from real customers and in-house experts with AnswerBox.

                29 Questions | 31 Answers
                Displaying questions 1-10Previous | Next »
                • Q:

                  I want to filter water samples through a fine filter in order to separate suspended solids from the water. Can this pump be used to create a vacuum on one side of the filter when water is being filtered or would this be a functioning and/ or safety hazard? How could I best set this up safely?
                  Asked on 7/22/2016 by Kelly

                  1 answer

                  • STAFF EXPERT

                    A:

                    Please contact our Applications Department for assistance with your application inquiry.

                    Answered on 8/3/2016 by Dan C from Technical Support
                • Q:

                  I want to use the vacuum pump to pump a chamber and make the chamber's pressure to about 1Pa. Can this item work? Thank you so much.
                  Asked on 7/21/2016 by Yue

                  1 answer

                  • STAFF EXPERT

                    A:

                    The rating for this vacuum pump is 25.5"Hg. You will need a regulator in order to achieve the pressure you are trying to obtain.

                    Answered on 8/3/2016 by Dan C from Technical Support
                • Q:

                  Hi
                  What is the pump's weight?
                  Rgd
                  Asked on 4/7/2016 by Greg from Montréal, Qc

                  1 answer

                  • STAFF EXPERT

                    A:

                    The weight is 18 lbs.

                    Answered on 4/8/2016 by Danielle from Technical Support
                • Q:

                  is there an on/off switch without unplugging the pump?
                  Asked on 10/22/2015 by laura from Maryland

                  2 answers

                  • STAFF EXPERT

                    A:

                    This unit does not have an on/off switch.

                    Answered on 10/22/2015 by Katie from Technical Support
                  • A:

                    Yes, it is a large black rocker switch on the right (vacuum) side, located at the top right with ON and OFF engraved with white fill.

                    Answered on 4/26/2017 by Glenn from Novi, MI
                • Q:

                  We are working or a small research vessel on the Chesapeake Bay. We process salt water samples by running the samples through filter pads and are currently using a Gast rotary vane vacuum pump at 10 PSI. We are inside the cabin of the vessel but water does get splashed around sometimes. Would this stand up to working in the field?
                  Asked on 8/7/2015 by laura from Annapolis. MD

                  1 answer

                  • STAFF EXPERT

                    A:

                    The 07056-32 may be better suited as it has a totally enclosed, fan cooled motor (TEFC). This means that the motor is dust tight, and has a moderate water seal as well. TEFC motors are not secure against high pressure water nor submersible.

                    Answered on 8/14/2015 by Polo from Technical Support
                • Q:

                  Can I control the pressure of air that leaves the pump? I want to operate at a pressure of 14.5 PSI. Is that something possible to do with this device? Thanks.
                  Asked on 3/25/2015 by Clarissa from Berkeley, CA

                  1 answer

                  • STAFF EXPERT

                    A:

                    The pressure can be controlled via the regulator; adjust and observe the gauge until the desired setting is reached.

                    Answered on 3/25/2015 by Dan from Technical Support
                • Q:

                  what is the difference between EW-07061-21 and this one EW-07061-40?
                  Asked on 11/12/2014 by Megan from Texas State U

                  1 answer

                  • STAFF EXPERT

                    A:

                    Item EW-07061-40 includes the gauges, regulators, and the adjustable relief valve. the EW-07061-21 is just the pump without gauges or regulators.

                    Answered on 11/12/2014 by Jay from Technical Support
                • Q:

                  Hello, we are looking to purchase a vaccum pump for laboratory use to filter crude oil samples (solids in oil).. kindly advise if the above pump can be used.. will the hydrocarbon vapors cause any concerns? especially from a safety perspective. Thanks PKF
                  Asked on 10/31/2014 by Praveen from sarnia, canada

                  1 answer

                  • STAFF EXPERT

                    A:

                    While only air should ideally be going through the vacuum pump, there might be some reaction between the hydrocarbons and the wetted parts. 79200-10 might be a better option for this application.

                    Answered on 11/3/2014 by Anthony from Technical Support
                • Q:

                  I want to have my students work with flash chromatography, the original setup used by Still and Kahn. Can this pump handle that properly? If so, how many setups could be used per pump?

                  If not, what would be appropriate?
                  Asked on 2/28/2014 by Chem prof!

                  1 answer

                  • STAFF EXPERT

                    A:

                    The number of pumps required will be determined by the amount of vacuum required by each setup as well as the number of setups will be ran at the same time. This pump is capable of 25.5" Hg max vacuum.

                    Answered on 3/3/2014 by Polo from Technical Support
                • Q:

                  Can this pump maintain suction to 12 suction cups?
                  Asked on 2/25/2014 by blauer

                  1 answer

                  • STAFF EXPERT

                    A:

                    That would depend on the amount of vacuum is required for each suction cup. This pump is rated for a max vacuum of 25.5" Hg.

                    Answered on 2/27/2014 by Polo from Technical Support
                Displaying questions 1-10Previous | Next »

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