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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
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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.

Explore our full range of belt‑driven vacuum pump solutions.Discover additional belt‑driven pump categories designed to meet a wide variety of laboratory and industrial vacuum requirements