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Welch 1402 Vacuum Pump 1402 5.6 cfm NEW 1402B-01 115V/60HZ IPH

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SKU: 40.44026.01

Additional information

Weight 135 lbs
New / Rebuilt

Level of Vacuum

CFM / L/M (Displacement)

Inlet / Exhaust


Power Options



Welch Vacuum Pumps

Gardner Denver Welch Vacuum Technology, Inc, formerly Welch Rietschle Thomas, is a wholly-owned subsidiary of Gardner Denver, a leading global manufacturer of compressors, vacuum pumps, and related products. Within Gardner Denver, Welch is an SBU of the Thomas Products Division.

Starting in 1880, Welch has provided quality vacuum pumps for laboratory, industrial and educational applications. It has now been over a century and today, Welch is a leading manufacturer of vacuum pump products for chemical and biological laboratories, high vacuum manufacturing, and air conditioning/refrigeration. With headquarters in Niles, Illinois, the Welch product line includes oil lubricated rotary vane vacuum pumps; dry piston and diaphragm vacuum pumps; and specialized vacuum systems, components, and applications. One thing that hasn't changed over the past 100 years is the Welch reputation for building pumps of exceptional performance and durability.

Maintenance Tips

The location of the Welch 1402B-01 vacuum pump should be clean, well-ventilated, and have enough room for regular maintenance, such as oil and belt changes. The pump should be near its system to maximize efficiency. Its position should depend on connection length, size, bends, and exhaust connections.

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Welch Vacuum Pump 1402 5.6 cfm NEW 1402B-01 115V/60HZ IPH Specifications


Welch Model 1402
Free Air Displacement   
CFM 5.6
L/min 160
Ult. Pressure, Torr(mbar)1.
Ult. Pressure, microns Hg 
1 x 10–4(0.00013)
Gas Ballast Yes
Pump RPM 525
Motor Horsepower (watts) 1/2(370)
Oil Capacity, qt. (liters) 2.25(2.1)
Tubing Needed, I.D. in 13/16(21)
Intake, Nipple Thread 1-20
Exhaust, Thread Type 1-20
Weight, lbs. (kg)           112(51)      
Overall Dimensions  
L in. (cm) 20(51)
W in. (cm) 12(30.5)
H in. (cm) 15(38.1)
Ship Weight, lbs. (kg) 132(60)
Shipping Carton Dimensions 22.5 x 15.5 x 19.5
L x W x H in. (cm) (57.2 x 39.4 x 49.5)

Click Below for Specification Sheet

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