Full Manual
Access the official Welch product manual for DryFast & DryFast Ultra models here.
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If you're running solvent evaporation, filtration, or degassing workflows, the Welch DryFast and DryFast Ultra pumps offer a compact, oil-free solution with high chemical resistance and consistent performance. This manual covers models 2014, 2032, and 2047, detailing setup, maintenance, and troubleshooting.
These diaphragm pumps are designed for labs that need reliable vacuum without the mess or maintenance of oil-sealed systems. The Ultra models add higher flow rates and deeper vacuum levels for more demanding applications.
What’s Inside the Manual
- Specifications & Performance Charts
Flow rates, ultimate vacuum levels, and compatibility across solvents.
- Installation & Setup
Step-by-step guidance for connecting vacuum lines, power, and accessories.
- Maintenance Schedule
Diaphragm and valve replacement intervals, cleaning procedures, and part numbers.
- Troubleshooting Guide
Common issues like low vacuum, noise, or overheating—plus how to fix them.
- Safety & Compliance
Electrical ratings, chemical compatibility, and CE/UL certifications.
FAQs
The manual lists compatibility with common solvents like acetone, ethanol, methanol, and acetonitrile. For aggressive chemicals, use the Ultra models with PTFE heads and diaphragms