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

How Welch’s directional exhaust filters reduce contamination risk and improve lab safety

Directional exhaust filters are designed to redirect and filter pump exhaust away from sensitive environments. In labs handling volatile or hazardous materials, unfiltered exhaust can compromise air quality, contaminate samples, and pose health risks. Welch’s solution addresses this by combining directional flow control with high-efficiency filtration.

This video demonstrates how Welch’s directional exhaust filters work, where they’re most effective, and how they integrate with existing lab setups. It’s aimed at lab managers, safety officers, and technicians looking to reduce airborne contamination without overhauling their equipment.

Why Directional Exhaust Matters

Most lab pumps vent directly into the room. That’s a problem when the exhaust contains chemical vapors, biological agents, or particulates. Welch’s directional exhaust filters solve this by:

  • Redirecting exhaust away from workspaces and personnel
  • Filtering contaminants before they enter the ambient air
  • Improving compliance with lab safety protocols and air quality standards

This is especially relevant in shared lab environments, cleanrooms, and facilities with limited ventilation.

 

What’s in the Video

The video covers:

  • How the filter works: A walkthrough of the directional flow mechanism and filtration media
  • Installation steps: How to retrofit existing Welch pumps with the filter
  • Use cases: Examples from chemical, biological, and pharmaceutical labs
  • Maintenance tips: How often to replace filters and what signs to watch for

It’s short, practical, and designed for quick viewing during setup or training.

FAQs

Standard filters clean the air but don’t control where it goes. Directional filters do both—cleaning and redirecting exhaust away from sensitive zones.