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Welch DuoSeal 1400 belt-driven vacuum pump with oil-sealed design
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DuoSeal 1400

Engineered for excellence, the Welch DuoSeal 1400 delivers oil-sealed vacuum performance with unmatched reliability. Explore the full DuoSeal product line in our Belt-Driven Pumps category page.

Two-Stage Belt-driven-pump

 

•Legendary longevity and exceptional durability

•Low pump rpm, cool running, longer service life

•Large oil reservoir dilutes contaminants

•High oil feed port draws cleanest oil

•Suitable for toughest applications

•Low maintenance

•Wired for 115V/60Hz

•Free air displacement @60Hz: 0.9 cfm (25 L/min)

•Ultimate pressure: 1x10-4 Torr (1.3x10-4 mbar)

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Product Details

  • High contamination tolerance
  • Ultimate vacuum <0.001 Torr
  • Low RPM for long service life

Suggested Applications

  • Vacuum Distillation
  • Vacuum Oven
  • Vacuum Manifolds
  • Glove Boxes

 

DuoSeal Vacuum Pumps are known for their ruggedness world-wide. These pumps have large oil reservoirs to dilute contaminants. Low pump rpm to reduces friction and wear while minimizing reservoir temperature to lessen chemical reactivity. Pump can be ordered with an optional exhaust filter to control oil mist.

 

Want to learn more? Check our DuoSeal 1400 Owner Manual for more.

1400

1405

1402

1376

1397

1374

Free Air Displacement @ 60 Hz

cfm (L/min)

25

90

160

300

500

Ultimate Pressure

torr

1x10⁻⁴

1x10⁻⁴

1x10⁻⁴

1x10⁻⁴

1x10⁻⁴

Motor Speed

RPM

@60Hz

580

525

525

525

Motor Power

HP (kW) at 60 Hz

1/3 (0.25)

1/2 (0.37)

1/2 (0.37)

1 (0.75)

1 (0.75)

Oil Capacity

L

0.59

2.1

2.1

2.4

1.2

Inlet Connection Thread

3/4-2020

1-20

1-20

1-20

1.75-20

1.75-20

Tubing Needed

I.D. in. (mm)

7/16 (11)

7/16 (11)

13/16 (21)

13/16 (21)

1 5/8 (41)

Weight

lbs (kg)

70 (31.8)

132 (60)

132 (60)

180 (81.8)

213 (96.8)

Dimensions

LxWxH

in (mm)

18.3x11.5x12.4 (465x292x328)

20x12x15 (510x305x391)

20x12x15 (510x305x391)

20x14.1x15.4 (510x359x390)

115V Order Number

1400B-01

1405B-01

1402B-01

1376B-01

1397B-01

1374B-01

c25885-gd-welch-duoseal-family-flyer-v2-web.pdf

Welch DUOSEAL Brochure

duoseal-1400-manual.pdf

DuoSeal 1400 Manual

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