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Air Conditioning & Refrigeration Vacuum Pumps

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JB Industries Vacuum Pumps

DV-42N

DV-85N

DV-142N

DV-200N

DV-285N

CFM

1.5 CFM (42 l/m)

3 CFM (85 l/m)

5 CFM (142 l/m)

7 CFM (200 l/m)

10 CFM (285 l/m)

Motor

1/2 HP, 1725 RPM

1/2 HP, 1725 RPM

1/2 HP, 1725 RPM

1/2 HP, 1725 RPM

1/2 HP, 1725 RPM

Voltage

115v, 60Hz

115v, 60Hz

115v, 60Hz

115v, 60Hz

115v, 60Hz

Plug

Std. U.S. 110v

Std. U.S. 110v

Std. U.S. 110v

Std. U.S. 110v

Std. U.S. 110v

Oil Cap

1/4 "

1/4" x 3/8"

3/8" x 1/4" x 3/8"

3/8' x 1/4" x 3/8"

3/8" x 1/4" x 3/8"

Ship

27 oz. (798 cc)

27 oz. (798 cc)

23 oz. (680 cc)

23 oz. (680 cc)

24 oz. (709 cc)

Dimensions

17-5/8 (h) x 91/8" (w) x 14" (l)

17-5/8 (h) x 91/8" (w) x 14" (l)

17-5/8 (h) x 91/8" (w) x 14" (l)

17-5/8 (h) x 91/8" (w) x 14" (l)

17-5/8 (h) x 91/8" (w) x 14" (l)

Weight

29 lbs. (13.2 Kg)

30 lbs. (13.6 Kg)

32 lbs. (14.5 Kg)

32 lbs. (14.5 Kg)

34 lbs. (15.4 Kg)

CoolTech Vacuum Pumps

  • Two Stage Design – second stage starts pumping at a lower pressure to pull a deeper ultimate vacuum
  • Integral Check Valve – prevents pump oil from being sucked into the system if a power loss occurs
  • Die-Cast Aluminum housing – lightweight but durable
  • Molded Base – Durable polycarbonate base improves pump balance and minimizes vibration
  • Offset Rotary Vanes – Our proven design creates the deep vacuum conditions needed for a thorough evacuation
  • Gas Ballast feature – helps keep the pump oil clean by reducing condensation of moisture
  • Iso-Valve™ – isolates pump from the system with just a 1/4 turn, making it simple to measure rate of rise

Model

Displacement

Rating

Stages

Intake Fitting

Oil Capacity

Size

Voltage

Weight

15234

1.2 CFM

50 microns

2

1/4" MFL 1/2" Acme

5 oz.

1/8 hp

115V 50/60Hz

10 lbs.

15400

4 CFM

20 microns

2

1/4" MFL 1/2" MFL

13 oz.

1/3 hp

115V 60 Hz

29 lbs.

15434

4 CFM

20 microns

2

1/4" MFL 1/2" Acme

13 oz.

1/3 hp

115V 60 Hz

29 lbs.

15600

6 CFM

20 microns

2

1/4" MFL 1/2" MFL

13 oz.

1/2 hp

115V 60 Hz

30 lbs.

15120A

10 CFM

20 microns

2

1/4" MFL 1/2" MFL

16.5 oz.

1/2 hp

115V 60 Hz

30 lbs.

VacuMaster Economy Vacuum Pumps
  • Two Stage Design – second stage starts pumping at a lower pressure to pull a deeper ultimate vacuum
  • Integral Check Valve – prevents pump oil from being sucked into the system if a power loss occurs
  • Die-Cast Aluminum housing – lightweight but durable
  • Molded Base – Durable polycarbonate base improves pump balance and minimizes vibration

Model

Displacement

Rating

Stages

Intake Fitting

Oil Capacity

Size

Voltage

Weight

15150

1.5 CFM

50 microns

2

1/4" MFL 3/8" MFL*

7.4 oz.

1/4 hp

115V 60Hz

22 lbs.

15300

3 CFM

40 microns

2

1/4" MFL 3/8" MFL*

7.5 oz.

1/3 hp

115V 60 Hz

28 lbs.

15500

5 CFM

35 microns

2

1/4" MFL 3/8" MFL*
1/2" ACME

9.5 oz.

1/3 hp

115V 60 Hz

21 lbs.

15800

8 CFM

40 microns

2

1/4" MFL 3/8" MFL*

13 oz.

1/2 hp

115V 60 Hz

30 lbs.

*All VacuMaster Pumps come with a 3/8" FFL X 1/2" Acme adapter for automotive service.

The two most frequent questions service technicians ask about dehydration are:

  • What size vacuum pump should be used to perform a good refrigeration/air conditioning system dehydration job?
  • How long should the pump be left on the system to assure removal of all moisture?

    To give specific answers to these questions, you need to know the cubic capacity of the system to be dehydrated; amount of moisture both visible and invisible present in the system; I.D. and length of the connecting line as well as the restrictions within the system itself (cap tubes, valves, etc.) which might cause back pressures.

    Change Your Vacuum Pump Oil Frequently

    Clean oil is important for peak vacuum pump performance. When the oil is contaminated, it reduces your pump’s ability to remove moisture from a system. You should change the pump oil frequently, and especially in the following situations:

    • You have just evacuated a system that you suspect was overly moisture-laden.
    • You have just evacuated a system with a compressor burnout.
    • The pump oil looks cloudy or milky.
    • The pump will not pull to factory specifications when blanked off to an electronic thermistor vacuum gauge.
    • Every 10 hours of operation.
    		Vacuum Pump Oil Comparison Chart

    Premium High Vacuum Pump Oil

    The performance of your pump depends largely on the quality and purity of the vacuum pump oil. Robinair’s oil is engineered to maintain maximum viscosity at high running temperatures and to improve cold weather starts.

    To keep the pump operating at peak efficiency, change the oil frequently. Moisture and other contaminants can quickly deteriorate the purity of the oil, thinning the oil, and reducing the pump’s ability to reach deep vacuum conditions.

    Thermally Stable

    Laboratory tests prove that Robinair oil is more thermally stable in comparison to other leading brands, which means it resists breaking down due to heat for a longer period of time.

    Lower Moisture Content

    Robinair oil has a lower moisture content than other oils, thanks to our special packaging and handling procedures. Moisture degrades the oil’s purity, thinning it, and reducing the pump’s ability to reach a deep vacuum.

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