Welch DuoSeal High-Vacuum Pump; 0.9 cfm/1x10(-4) Torr/115 V
SKU: 49541068776

Welch DuoSeal High-Vacuum Pump; 0.9 cfm/1x10(-4) Torr/115 V

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Description

Welch DuoSeal High-Vacuum Pump; 0.9 cfm/1x10(-4) Torr/115 VProduct Details High contamination tolerance Ultimate vacuum <0. 001 Torr Low RPM for long service life Welch 1400B 01 Owner's Manual Description The Welch 1400B 01 DuoSeal Vacuum Pump is a rugged and robust vacuum pump for applications requiring pressures < 1 Torr. The Welch vacuum pump 1400B 01 achieves < 0. 001 Torr with a pumping speed of 25 liters min (0. 9 CFM). Rugged oil seal pumps for a wide variety of vacuum needs, including Schlenk drying

Product Details

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

Welch 1400B-01 Owner's Manual

Description

The Welch 1400B-01 DuoSeal Vacuum Pump is a rugged and robust vacuum pump for applications requiring pressures < 1 Torr. The Welch vacuum pump 1400B-01 achieves < 0.001 Torr with a pumping speed of 25 liters/min (0.9 CFM).

Rugged oil-seal pumps for a wide variety of vacuum needs, including Schlenk drying lines, freeze drying, degassing, concentrations, distillations, and more. Pulley drive enables low pump rpm operation – reduces friction, oil temperature, and oil degradation. Large oil reservoir minimizes contamination effects and extends maintenance intervals. Use of a cold trap is recommended to protect the pump and enhance vacuum levels.

Two stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this DUOSEAL pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty.

Product Specifications

Model Number

WELCH-1400B-01

Applications

Vacuum Manifolds, (Schlenk Lines), High boiling point evaporations (to 195 deg. C), Glove boxes, General laboratory.

Type

Belt-Drive Vacuum Pump

Free Air Displacement @60Hz

0.9 CFM (25 l/min)

Ultimate Pressure

0.001 Torr

Pump RPM

580

Oil Capacity

0.62 qt (0.59 l)

Motor Horsepower (watts)

1/3hp (250W)

Adjustable Vac. / Gas Ballast

Yes

Tubing Needed

7/16" (11 mm)

Intake Thread NPT

3/4-20 straight thread

Exhaust Thread NPT

3/4-20 straight thread

Overall Dimensions LxWxH

17.8" x 9" x 12.6"

Wiring

115V, 60 hz

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SKU: 49541068776

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Jude Barack
Fort Morgan, US
★★★★★ 5
Practical guide to building a good presentation
Format: Kindle
I liked the walking through the process of preparing a presentation. Easy to read, easy to follow...
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Reviewed in the United States on September 11, 2018
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lazy reader
Boise, US
★★★★★ 5
Better PowerPoints
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It will change the way you think about making presentations.
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Michael R. Myers
Battle Creek, US
★★★★★ 5
Great book
Format: Paperback
Great book. Very helpful and practical.
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Reviewed in the United States on March 24, 2020
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Peter S
Louisville, US
★★★★★ 1
Not a Users Guide
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Although many readers may find this book useful, it describes a particular approach to Powerpoint. It is not anything like a comprehensive users guide.
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Reviewed in the United States on October 31, 2020
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Karen T. Mcneely
Phoenix, US
★★★★★ 2
Just linear
Format: Paperback
I appreciate that it helps to organize the chaos of information, but I just used the template verbatim with my manager and it did not go very well. He said this linear approach does not work anymore with high-level corporate audiences. They want to cut right to the chase and start to dig into the deep details. This layout with simple images, even if you just pull away the map and anchor slides, makes the storytelling too much like a story, not giving enough credit to the speed at which certain audiences can and do process data on a slide. It was an interesting exercise and I still think this linear layout works in some cases. Just not if you are trying to communicate business case or other C-suite type of information.
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Reviewed in the United States on March 4, 2021

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