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Home>Welch Vacuum>Belt-Drive Rotary Vane Vacuum Pumps
 

Belt-Drive Rotary Vane Vacuum Pumps

Welch Belt-drive vacuum pumps are known for their ruggedness world-wide in the most demanding applications.

Key features making these pumps so reliable and durable:

  • Low pump rpm to reduce frictional wear while minimizing reservoir temperature to lessen chemical activity
  • High oil feed to pump models leads to  cleanest oil lubricating the internal pump module
  • Large oil reservoirs dilute contaminants ingested into the pump

Belt-drive vacuum pump are available in three types: DUOSEAL, CHEMSTAR and CAPTURE.

DUOSEAL vacuum pumps are used in most common lab and industrial applications.  DUOSEAL pumps are available in 6 models of two-stage vacuum pumps and 2 models of one-stage pumps.

CHEMSTAR pumps are designed to tolerate harsh chemical contamination with vital parts corrosion resistant and uses Welch Gold oil, a synthetic pump oil designed to resist chemical attack.

CAPTURE pump is used for refrigerant recovery and transfer.

On special requests, both  DUOSEAL and CHEMSTAR vacuum pumps can be fomblinized for oxygen service.

Welch vacuum pump oil is specifically formulated for the unique needs of vacuum pumps. Use of non-Welch vacuum pump oil voids any performance claims and product warranties.

In Duoseal belt driven rotary vane pumps, use Welch Duoseal or Welch Gold Oil

In CRVpro rotary vane pumps use Welch premium or Welch gold oil

In Chemstar belt driven rotary vane pumps use Welch gold oil


Applications: Schlenk lines, freeze dryers, glove boxes, degassing, vacuum ovens, high boiling point distillations,  HVAC service.  

 Sub-Categories
Capture
ChemStar
DuoSeal
 Products (Total Items: 33)
 
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Welch DuoSeal 1374 - DUOSEAL, MOUNTED PUMP 115V, 60HZ, 1PH
Welch DuoSeal 1374 - DUOSEAL, MOUNTED PUMP 115V, 60HZ, 1PH

$8,465.00

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Welch DuoSeal 1374 - DUOSEAL, MOUNTED PUMP 230/460V, 60HZ, 3PH
Welch DuoSeal 1374 - DUOSEAL, MOUNTED PUMP 230/460V, 60HZ, 3PH

$8,715.00

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Welch DuoSeal-1376 - DUOSEAL, MOUNTED PUMP 115V 60HZ 1PH
Welch DuoSeal-1376 - DUOSEAL, MOUNTED PUMP 115V 60HZ 1PH

$5,280.00

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Welch Refrigeration 1376B-46 - DUOSEAL REFRIGERANT SERVICE PUMP, 115V 60HZ 1PH
Welch Refrigeration 1376B-46 - DUOSEAL REFRIGERANT SERVICE PUMP, 115V 60HZ 1PH

$5,450.00

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Welch DuoSeal-1376 - DUOSEAL, MOUNTED PUMP 230/460 60HZ 3PH
Welch DuoSeal-1376 - DUOSEAL, MOUNTED PUMP 230/460 60HZ 3PH

$5,690.00

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Welch ChemStar 1376N - CHEMSTAR PUMP UNMOUNTED
Welch ChemStar 1376N - CHEMSTAR PUMP UNMOUNTED

$5,605.00

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Welch ChemStar 1376N - CHEMSTAR  PUMP  115V 60HZ 1PH
Welch ChemStar 1376N - CHEMSTAR PUMP 115V 60HZ 1PH

$6,225.00

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Welch ChemStar 1376N - CHEMSTAR MOUNTED PUMP 230V, 60HZ, 1PH
Welch ChemStar 1376N - CHEMSTAR MOUNTED PUMP 230V, 60HZ, 1PH

$6,365.00

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Welch DuoSeal 1380 - DUOSEAL, 1380 MOUNTED PUMP, 115V
Welch DuoSeal 1380 - DUOSEAL, 1380 MOUNTED PUMP, 115V

$3,970.00

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Welch DuoSeal 1380 - DUOSEAL, MOUNTED PUMP 230V/60HZ
Welch DuoSeal 1380 - DUOSEAL, MOUNTED PUMP 230V/60HZ

$4,190.00

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Welch DuoSeal 1397 - DUOSEAL, MOUNTED PUMP 115V 60HZ 1PH
Welch DuoSeal 1397 - DUOSEAL, MOUNTED PUMP 115V 60HZ 1PH

$7,075.00

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Welch Refrigeration 1397B-46 - DUOSEAL,  REFRIGERANT SERVICE PUMP 115V 60HZ 1PH
Welch Refrigeration 1397B-46 - DUOSEAL, REFRIGERANT SERVICE PUMP 115V 60HZ 1PH

$7,445.00

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SMC Pneumatics, SMCEtech, Etech, SMC Now and SMC USA are marks currently or in the past used by the SMC Corporation of America. We have no affiliation with Air Logic division of Knapp manufacturing. Product selection is the sole responsibility of the user, regardless of any recommendations or suggestions made by the factory. The user shall make selections based upon their own analysisand testing with regard to function, material compatibility and product ratings. Proper installation, operation and maintenance are also required to assure safe, trouble free performance.
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