WELCH Vacuum Pumps

Our inventory currently carries over 27 new and used Welch Vacuum Pumps. Please click into any of the products listed below to view product details:

SKU	Model	Description
34510	1403	Welch 1403, .5 Hp, 115/230 V. Motor, Serial 12937, 42581 Vacuum Pumps
34492	1399	1.2 Cfm, Welch 1399, 1/3 Hp, 115 V., Serial 14061 & 12481, (1) Lot Of (2), 42583 Vacuum Pumps
34377	3911-97	Welch, 1 Hp, 220/440 V. Motor, Serial 3911-97, 42582 Vacuum Pumps
20181	1376B-46	WELCH 1376B-46 VACUUM PUMP
20137	1374	WELCH 1374 VACUUM PUMP
19488	8890	WELCH 8890 VACUUM PUMP
19340	1405	WELCH 1405 VACUUM PUMP
18785	8920a	WELCH 8920A VACUUM PUMP
18524	1400	WELCH 1400 VACUUM PUMP
17737	1400B-01	WELCH 1400B-01 VACUUM PUMP
17664	8890A-70	WELCH 8890A-70 VACUUM PUMP
17409	1399B	WELCH 1399B VACUUM PUMP
17264	2522Z-01	WELCH 2522Z-01 VACUUM PUMP
16647	1402B-46	WELCH 1402B-46 VACUUM PUMP
15893	Gem 1.0	WELCH GEM 1.0 VACUUM PUMP
14135	1402	WELCH 1402 VACUUM PUMP
13488	1376	WELCH 1376 VACUUM PUMP
13008	8920A-46	WELCH 8920A-46 VACUUM PUMP
11223	1376N-01	WELCH 1376N-01 VACUUM PUMP
9971	8890A	WELCH 8890A VACUUM PUMP
9836	SarVac 8804	WELCH SARVAC 8804 VACUUM PUMP
9020	1405-6	WELCH 1405-6 VACUUM PUMP
8109	8905A	WELCH 8905A VACUUM PUMP
8092	46445	WELCH 46445 VACUUM PUMP
7900	61-6394	WELCH 61-6394 VACUUM PUMP
7810	1400N	WELCH 1400N VACUUM PUMP
7234	1373	WELCH 1373 VACUUM PUMP

Welch 8905 Vacuum Pump Direct Drive 1.5 Emerson C37JXDP-153 For Parts Or Repair
$18.96 USD reduced from $~~21.00~~ USD

Welch DUO-Seal Vacuum Pump Model 1400 No Motor for Parts or Repair
$50.00 USD reduced from $~~55.00~~ USD

Welch W Series 5 Vacuum Pump 8912A
$74.95 USD reduced from $~~82.00~~ USD

Welch Piston Vacuum Pump, 1/4 HP, 27.6in. Hg
$90.00 USD reduced from $~~99.00~~ USD

Welch Gem 8890 Vacuum Pump for repair M3370
$90.00 USD reduced from $~~99.00~~ USD

Welch Vacuum Pump Adapter; QF16-WP2; old style
$90.00 USD reduced from $~~99.00~~ USD

Welch 8890A-75 Gem 1.0 Vacuum Pump w/Bluffton 1603007402 Defective AS-IS
$95.62 USD reduced from $~~105.00~~ USD

Welch Vacuum 2546b-01 Standard Duty Pump 46 LPM 60 Torr 115v K48zzffc3779
$99.00 USD reduced from $~~109.00~~ USD

Welch WOB-L Pump 2522B-01 Laboratory Vacuum Pump & Pressure
$99.99 USD reduced from $~~110.00~~ USD

Welch Thomas 2534B-01 Vacuum Pump 115V, 60Hz 5.3A
$99.99 USD reduced from $~~110.00~~ USD

Welch Dry Vacuum Diaphragm Pump 2595Z-03 Zimmer Biomet Dornoch Medical 1/3HP
$110.00 USD reduced from $~~121.00~~ USD

Welch 8814 DirecTorr II Rotary Vane Vacuum Pump
$114.95 USD reduced from $~~126.00~~ USD

Welch Ilmvac 2595Z-03 Dry Vacuum Diaphragm Pump
$125.00 USD reduced from $~~138.00~~ USD

Welch W Series 5 Direct Drive Rotary Vane Vacuum Pump 8912Z-02 1/2HP 1PH 1725RPM
$134.99 USD reduced from $~~148.00~~ USD

1 USED SARGENT-WELCH 8814A DIRECTORR VACUUM PUMP ***MAKE OFFER***
$139.99 USD reduced from $~~154.00~~ USD

Sargent Welch Scientific Sarvac 8804 Vacuum Pump
$139.99 USD reduced from $~~154.00~~ USD

Welch Vacuum Thomas 2522B-01 Dry Piston Vacuum Pump - TESTED
$149.99 USD reduced from $~~165.00~~ USD

Welch Model No. 2522B-01 Oil Free Vacuum Pump
$165.00 USD reduced from $~~182.00~~ USD

WELCH THOMAS VACUUM PUMP 115V 3.1A 25228-01
$179.99 USD reduced from $~~198.00~~ USD

Welch 2522B-01 Vacuum Pump 115v
$185.00 USD reduced from $~~204.00~~ USD

Welch Thomas Piston Oil Free PRESSURE/Vacuum Pump Model: 2534 WORKING!
$199.99 USD reduced from $~~220.00~~ USD

Vintage Lab Scientific WELCH 1/3 HP DUO SEAL VACUUM PUMP Chamber 1725 RPM 115 V
$199.99 USD reduced from $~~220.00~~ USD

Vintage Welch Duo Seal 1400 Vacuum Pump No Base.
$199.99 USD reduced from $~~220.00~~ USD

C190869 Welch 2025 Self-Cleaning Dry Vacuum Pump System (model 202501)
$200.00 USD reduced from $~~220.00~~ USD

T190649 Welch 2546B-01 Dry Piston Pressure/Vacuum Pump
$200.00 USD reduced from $~~220.00~~ USD

C190139 Gardner Denver Thomas Welch 8907A Vacuum Pump (120VAC, 1Ph, 4.5A, 60Hz)
$200.00 USD reduced from $~~220.00~~ USD

WELCH 2511B-01 Dry Vacuum Pump /Compressor
$200.00 USD reduced from $~~220.00~~ USD

Welch Thomas 2545B-01 Vacuum Pump/Compressor
$218.00 USD reduced from $~~240.00~~ USD

Welch 8920A Direct Drive Torr V, Vacuum Pump, LESSON 1/3Hp M6C17NC1B, 1725 Rpm.
$220.00 USD reduced from $~~242.00~~ USD

WELCH DIRECTORR 8920 VACUUM PUMP W/ FRANKLIN ELEC. 1111017481 MOTOR 1/2HP 56C-FR
$229.99 USD reduced from $~~253.00~~ USD

Welch Thomas, 2534B-01, Vacuum Pump, 115V, 60Hz, 5.3A, Used
$230.00 USD reduced from $~~253.00~~ USD

Sargent-Welch Duo-Seal Model 1405 Vacuum Pump
$239.00 USD reduced from $~~263.00~~ USD

Welch 1400 Duo-Seal Vacuum Pump With Dayton Motor 6K924 1/4HP 1725 RPM FREE SHIP
$249.95 USD reduced from $~~275.00~~ USD

WELCH 8920 VACUUM PUMP W/ MARATHON CQK 56C17F15523D P 3/4HP 56CZ-70-FR 1PH
$249.99 USD reduced from $~~275.00~~ USD

A64 SARGENT WELCH DIRECTORR VACUUM PUMP 8831 3/4 HP 115/230 1PH FREE SHIPPING
$249.99 USD reduced from $~~275.00~~ USD

Welch Model No. 2522B-01 Oil Free Vacuum Pump
$249.99 USD reduced from $~~275.00~~ USD

Welch Duo-Seal 1402 Vacuum Pump
$250.00 USD reduced from $~~275.00~~ USD

Welch Vacuum Pump 8920A, 1/2" In/Out 1/2 HP 115/208-230 Volts, 1725/1425 RPM
$250.00 USD reduced from $~~275.00~~ USD

WELCH DUOSEAL VACUUM PUMP 1399 BELT DRIVE NICE CONDITION
$250.00 USD reduced from $~~275.00~~ USD

Welch 0310-9096 Dry Vacuum Pump, Air Compressor
$250.00 USD reduced from $~~275.00~~ USD

Welch 1400 DuoSeal Vacuum Pump 1410 Lo Hours
$254.00 USD reduced from $~~279.00~~ USD

Vintage Welch 57482-0 DuoSeal Rotary Vacuum Pump WORKS WELL 115VAC 1/4 HP
$254.99 USD reduced from $~~280.00~~ USD

Welch 8890 8890A Vacuum Pump W/ Franklin 1603007402 Motor
$259.99 USD reduced from $~~286.00~~ USD

Welch 8920 Vacuum Pump Marathon CQB5617F15523BP Motor
$272.00 USD reduced from $~~299.00~~ USD

WELCH GEM 1.0 DIRECT-DRIVE ROTARY VANE VACUUM PUMP 31LPM, oil 1/4 HP
$280.00 USD reduced from $~~308.00~~ USD

Welch W Series 5 Vacuum Pump Model 8912A
$284.74 USD reduced from $~~313.00~~ USD

WM Welch Duo Seal Belt Driven Vacuum Pump With 3/4 Hp Electric Motor
$290.00 USD reduced from $~~319.00~~ USD

Welch 8890 8890A Vacuum Pump W/ Franklin 1603007402 Motor W/ Exhaust Filter
$299.99 USD reduced from $~~330.00~~ USD

Welch Gem 1.0 Vacuum Pump 115 V with 60 Day Warranty
$300.00 USD reduced from $~~330.00~~ USD

Welch Scientific Duo Seal Lab Vacuum Pump 1403 GE 1/2hp Motor Belt Driven 1Ph
$300.00 USD reduced from $~~330.00~~ USD

Welch 2522B-01 Standard Duty Dry Vacuum Piston Pumps, 22 L/min, 115 VAC
$345.00 USD reduced from $~~380.00~~ USD

WELCH 8917A FREEZE DRYER VACUUM Direct Drive PUMP SYSTEM (FCP66)
$375.00 USD reduced from $~~413.00~~ USD

Welch 1410 Vacuum Pump
$379.00 USD reduced from $~~417.00~~ USD

Welch Vacuum 2546B-01 Dry Piston Pump Single Head 115V
$390.00 USD reduced from $~~429.00~~ USD

LEAK SEAL TESTER, PYREX 55/38, WELCH GEM 1.0 PUMP SET UP
$395.00 USD reduced from $~~435.00~~ USD

Welch Gem 1.0 Vacuum Pump 115 V New on shelf as waiting spare. NO original box.
$395.00 USD reduced from $~~435.00~~ USD

W.M. WELCH 1/2 HP Duo Seal VACUUM PUMP w/ 19" Dome Enclosure - 1405
$399.00 USD reduced from $~~439.00~~ USD

WELCH 1400 DUOSEAL, 1Ph, Belt Drive Rotary Vane Vacuum Pump
$399.99 USD reduced from $~~440.00~~ USD

WELCH SCIENTIFIC 0.9 CFM DUO-SEAL 1400 VACUUM PUMP 400-475 RPM 1/6 HP GE MOTOR
$440.99 USD reduced from $~~485.00~~ USD

Sargent Welch 8821 DirecTorr Direct Drive Vacuum Pump From Beckman Centrifuge
$450.00 USD reduced from $~~495.00~~ USD

Welch 2014B-01 DryFast Diaphragm OIL-FREE Vacuum Pump
$455.00 USD reduced from $~~501.00~~ USD

WELCH 1/3 HP DUO-SEAL BELT-DRIVEN VACUUM PUMP 1.2 CFM 750 RPM MODEL 1399
$458.99 USD reduced from $~~505.00~~ USD

WELCH DUO SEAL VACUUM PUMP MODEL 1400
$459.99 USD reduced from $~~506.00~~ USD

TESTED WELCH 1400N ChemStar Vacuum Pump; WARRANTED
$495.00 USD reduced from $~~545.00~~ USD

Welch Vacuum Pump with Warranty SEE VIDEO
$499.00 USD reduced from $~~549.00~~ USD

Welch Vacuum pump 1402
$499.00 USD reduced from $~~549.00~~ USD

Welch Duo-Seal 1402 Vacuum Pump
$500.00 USD reduced from $~~550.00~~ USD

Welch DuoSeal 1400 Vacuum Pump
$500.00 USD reduced from $~~550.00~~ USD

Welch 2026 Self-Cleaning Dry Vacuum Pump System 202601 As Is
$500.00 USD reduced from $~~550.00~~ USD

Welch 1400 Duo Seal
$500.00 USD reduced from $~~550.00~~ USD

Welch Vacuum Rotary Vane Dual Stage Pump 5 Franklin Electric w Warranty
$590.00 USD reduced from $~~649.00~~ USD

Welch 1400N Chemstar Vacuum Pump WORKING
$599.99 USD reduced from $~~660.00~~ USD

Sargent-Welch DirecTorr 8805 Vacuum Pump with GE Motor - 1/3HP, 60Hz, 115/230V
$599.99 USD reduced from $~~660.00~~ USD

2534B-01 Welch Vacuum Piston Pump Wob 115V
$600.00 USD reduced from $~~660.00~~ USD

Welch 1400 DuoSeal 1Ph Belt Drive Rotary Vane Vacuum Pump & CVC VMF-10 Diffusion
$629.99 USD reduced from $~~693.00~~ USD

WELCH DUOSEAL VACUUM PUMP 1400 BELT DRIVE *NO RATINGS* **WARRANTY INCLUDED**
$644.95 USD reduced from $~~709.00~~ USD

Welch 1400N Chemstar Vacuum Pump w/ Motor weight pictures
$687.14 USD reduced from $~~756.00~~ USD

WELCH 1402N ChemStar Vacuum Pump; 1/2HP, 120 or 230v AC
$695.00 USD reduced from $~~765.00~~ USD

Super Line Vacuum Pump 550W Motor Welch Type 220V
$695.00 USD reduced from $~~765.00~~ USD

Welch 1400 DuoSeal Vacuum Pump 1400Z-10 NIB
$699.99 USD reduced from $~~770.00~~ USD

Welch Vacuum 2567B-50 Standard Duty Dry Vacuum Pump, 2-Head, 100 LPM, 60 Torr, 1
$705.99 USD reduced from $~~777.00~~ USD

Welch 1400N ChemStar Belt Driven Vacuum Pump w/Elec Motor 1/3HP 1725RPM 1PH 115V
$724.99 USD reduced from $~~797.00~~ USD

Welch 2019B-01 Filtration Diaphragm Vacuum Pump - 115VAC - TESTED
$750.00 USD reduced from $~~825.00~~ USD

Welch Vacuum Pump 2567B-50
$799.00 USD reduced from $~~879.00~~ USD

Welch 1400N ChemStar Belt Driven Vacuum Pump w/Elec Motor 1/3HP 1725RPM 1PH 115V
$799.99 USD reduced from $~~880.00~~ USD

Welch DuoSeal 1400 Belt Drive Rotary Vane Dual Stage Mechanical Vacuum Pump
$800.00 USD reduced from $~~880.00~~ USD

Welch 2025 Self-Cleaning Dry Vacuum Pump System 202501 C 9 Torr, 12 mbar
$900.00 USD reduced from $~~990.00~~ USD

Welch 1376 DuoSeal Belt Drive Pump, Rebuilt by Provac Sales, Inc.
$900.00 USD reduced from $~~990.00~~ USD

Welch 8905 Direct Drive High Vacuum Pump Bluffton Motor
$906.50 USD reduced from $~~997.00~~ USD

WELCH DUOSEAL VACUUM PUMP 1405B-01 w/.5HP MOTOR 115/230 V. VERY CLEAN
$950.00 USD reduced from $~~1,045.00~~ USD

Welch Duo-Seal Vacuum Pump With Dayton Motor 1/2 HP
$1,250.00 USD reduced from $~~1,375.00~~ USD

Welch 2025 Self-Cleaning Dry Vacuum System 115V 60Hz
$1,299.99 USD reduced from $~~1,430.00~~ USD

WELCH 8150B-30 Tank Vacuum System 1/2 HP 10 Gallon Tank
$1,502.14 USD reduced from $~~1,652.00~~ USD

Welch Chemstar Dry Model 2070 vacuum pump
$1,847.00 USD reduced from $~~2,032.00~~ USD

WELCH DUO SEAL VACUUM PUMP m/n 1402 W/ EXTRA MOTOR AND PUMP OIL
$2,500.00 USD reduced from $~~2,750.00~~ USD

Welch 1402B-46 Vacuum Pump, 1/2 Hp, 5.6 Cfm, 115/230V
$3,495.00 USD reduced from $~~3,845.00~~ USD

1 NEW WELCH 8920B-24 CHEMICAL DUTY VACUUM PUMP 3/4HP 1725RPM NIB **MAKE OFFER**
$3,799.99 USD reduced from $~~4,180.00~~ USD

NEW WELCH 1376N-01 VACUUM PUMP G1377275 box opened
$3,800.00 USD reduced from $~~4,180.00~~ USD

NEW WELCH 1376N-01 VACUUM PUMP 1376N01
$4,000.00 USD reduced from $~~4,400.00~~ USD

Welch 3016-02 Vacuum Pump, 3/4 Hp, 1 Phase, 115V Ac
$4,575.99 USD reduced from $~~5,034.00~~ USD

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Looking for Welch vacuum pumps? Whether if you need one or bulk quantity, our trained B2B sales staff are often able to source the quantity you need at competitive prices.

We Buy

Got extra Welch vacuum pumps on your hand that you no longer need? Let us buy them from you! We purchase new & used vacuum pumps by Welch.

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Are you a distributor for Welch vacuum pumps? We would like to work with you! We have a growing list of buyers who are regularly looking for Welch vacuum pumps.

Why Buy From Us

Here's what people say about their recent experience with us:

Kary Meadows 1 hour ago

Outstanding 5 star seller. Fast Ship! Thanks!

David Lindley 2 hours ago

Shipped timely. Product was as described.

Dennis Strock 4 hours ago

Goods received as stated in a timely manner. Thanks!

Lynn Walker 4 hours ago

Great seller! Fast shipper, well packaged. EZ transaction, works great. Thanks!!

Vivars Villa del Mar 6 hours ago

Great seller, product as shown in photos and working...

Keith Matthes 8 hours ago

Item as described. Great product for a great price. Excellent Seller!

MARTY CROUCH 10 hours ago

Item as described and fast shipping!!

Jason Nelson 11 hours ago

exactly as described, fast shipping, smooth transaction; would buy from again A+

arbor53 12 hours ago

Goods received as stated in a timely manner. Thanks!

John Camp 12 hours ago

Great Buy!!! Very Good A++++ Seller!!!

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WELCH Vacuum Pumps

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