Products
Vacuum Pumps
Belt Driven PumpsDuoSeal 1374DuoSeal 1376DuoSeal 1380DuoSeal 1397DuoSeal 1399DuoSeal 1400DuoSeal 1402DuoSeal 1405DuoSeal 1400W-01DuoSeal 1402W-01DuoSeal 1405W-01ChemStar 1400N-90ChemStar 1402N-90ChemStar 1376NChemStar 1400NChemStar 1402NCapture CRRBelt Kit 1397ABelt Kit 1399ABelt Kit 1400ABelt Kit 1405AMajor Repair Kit 1373K-06Major Repair Kit 1376K-06Major Repair Kit 1376K-10Major Repair Kit 1380K-04Major Repair Kit 1397K-08Major Repair Kit 1399K-04Major Repair Kit 1400K-04Major Repair Kit 1400K-10Major Repair Kit 1402K-06Major Repair Kit 1402K-10Major Repair Kit 1402K-47Minor Repair Kit 1373K-05Minor Repair Kit 1376K-05Minor Repair Kit 1376K-09Minor Repair Kit 1376K-46Minor Repair Kit 1397K-07Minor Repair Kit 1380K-03Minor Repair Kit 1399K-03Minor Repair Kit 1400K-03Minor Repair Kit 1400K-09Minor Repair Kit 1402K-05Minor Repair Kit 1402K-09Minor Repair Kit 1402K-46Seal Kit 1401EDuoSeal Oil
welch-logo.png

Vacuum Performance Without the Maintenance Burden

Lab teams working with sensitive materials or long-running vacuum processes often face downtime due to pump maintenance. The Welch DuoSeal addresses this by offering a rugged, belt-driven vacuum pump that’s built for durability and minimal upkeep. It’s a fit for labs that need consistent performance without constant intervention.

 

What You’ll Get

The brochure outlines how the DuoSeal’s oil-sealed rotary vane design delivers deep vacuum levels while keeping noise and vibration low. It’s engineered for longevity, with fewer moving parts and a reputation for running for decades with basic care. This makes it a strong choice for applications like freeze drying, vacuum ovens, and glove boxes.

Welch DuoSeal

Key Features

  • Ultimate Vacuum: Down to 0.001 Torr
  • Flow Rate: Up to 170 L/min
  • Low Maintenance: Belt drive system reduces wear
  • Quiet Operation: Designed for low noise in lab environments
  • Long Service Life: Proven reliability across decades of use

FAQs

Freeze drying, vacuum ovens, glove boxes, and other processes requiring deep, stable vacuum over long durations.