Loading... Please wait...  Loading... Please wait...


Our Newsletter

Welch 1397 Pump- Reconditioned

  • Image 1
Your Price:
$2,650.00 (You save $200.00)
250.00 LBS
Check lead-time prior to purchase.
$195.00 (Fixed shipping cost)

Product Description

Reconditioned Welch 1397 pump.

Complete with Pump, Base, Guard, and Motor. 115v 1 HP motor. 17.7 CFM



SAVE 60% off the price of a new pump


The Welch 1397 is a reliable and durable vacuum pump. These are great for a lot of industrial applications. With proper care and maintenance these pumps will last a long time. What else can you say about the Welch 1397? It is a simple pump that performs great over a long period of time. Let us know if you have any questions about the Welch 1397 or any other pump. We are here to help you choose the right pump for you and your budget.


Click Here for Manual 

Click Here for Exploded View and Parts List

Single Phase, Two Stage Vacuum Pumps3
DescriptionCatalog Number
Wired for 115V, 60 Hz,1 PH with 
N. American 115V Plug
1376B-01 1397B-01



Wired for 230V, 460V,60HZ

3-Phase Motor


1397M-01 1374M-01
Wired for 220V, 50 Hz,1 PH with 
Cont. Euro. (Schuko) Plug


Welch Model137613971374
Free Air Displacement      
CFM 10.6 17.7 23
L/min 300 500 650
Ultimate Pressure (Torr) 1 x 10 -4 1 x 10 -4 1 x 10 -4
Gas Ballast Yes Yes Yes
Pump RPM 525 400 510
Motor Horsepower 1 1 1-1/2
Oil Capacity, qt. (liters) 2.5(2.4) 1.25(1.2) 1.25(1.2)
Tubing Needed, I.D. in. 13/16 1-5/8 1-5/8
Intake, Nipple Thread 1-20 1.75-20 1.75-20
Exhaust, Thread Type 1-20 1.75-20 1.75-20
Weight, lbs (kg) 156(71) 205(93) 220(100)
Dimensions L x W x H in. (cm) 20 x 14.1 x 15.4
(51 x 35.9 x 39)
26 x 13.7 x 18.8
(66 x 34.8 x 47.6)
26 x 13.7 x 18.8
(66 x 34.8 x 47.6)
Ship Weight, lbs (kg) 177(81) 224(102) 231(105)
Shipping Carton Dimensions
L x W x H in. (cm)
23.4 x 17.7 x 18.9
(59.5 x 45 x 48)
27.8 x 16.2 x x20.9
(70.6 x 41.2 x 53)
27.8 x 16.2 x x20.9
(70.6 x 41.2 x 53)
  1. CSA approved models available. Explosion Proof, TEFC, 3-Phase motors available. Consult product list.
  2. All 115 and 230V single phase motors include thermal overload protection. Models 1376C-02, 1397C-02 and 1374C-02 provided with CE marking.
  3. Two-stage pumps should not be operated continuously at pressures above 10 Torr.
  4. Conduit wiring installation required. No cord, plug or switch provided.

Welch DuoSeal Pumps have a Long Service Life Due to Low Pump RPM!!!!

Typical applications:

    • Freeze Drying
    • Vacuum Drying
    • Degassing
    • Concentrating
    • Vacuum Distillations
    • Vacuum Manifold/Schlenk Line

Welch DuoSeal Belt Drive Pump Rebuild Process:


Every Welch vacuum pump we sell goes through our comprehensive rebuild process at our location!


    • Each pump is fully disassembled and all parts are cleaned and decontaminated with our multi-step process to ensure all contaminants are removed.
    • All parts are inspected for wear.
    • Damaged or worn parts are replaced.
    • All O-rings, seals, springs, gaskets, and belts replaced.
    • Motor tested.
    • Assembled and tested with multiple flushes of new oil.


Our Rebuilt Welch DuoSeal Belt Drive Pump comes with a full 1 year warranty for parts and labor.

Warranty Information

1 year

Find Similar Products by Category

Write your own product review

Product Reviews

This product hasn't received any reviews yet. Be the first to review this product!

You Recently Viewed...

Vacuum Pump Supply LLC