Welch OEM, Industrial & Refrigeration Catalog
(Entire Catalog,  967kb)

Welch Vacuum Pumps

Welch Compact Direct-Drive High Vacuum Pumps

Welch DUOSEAL® Rugged Belt-Drive Vacuum Pumps

Welch CHEMSTAR® Pumps & Accessories for Corrosive Gases

Welch OEM Dry (Oil-Free Vacuum Pumps)

Welch Standard Duty Dry Vacuum Pumps

Welch Chemical Duty Dry Vacuum Pumps

Welch Dry Rotary Vane Low Vacuum Pumps & Systems

Welch Application Specific Information  

Welch Summary Chart of Common Pump Applications

Welch Aspiration/Filtration Systems

Welch LCMS Vacuum Pump

Welch Low Pressure Refrigerant Recovery

Welch Commercial & Industrial Refrigeration Service

Welch Refrigeration & Air Conditioning Manufacturing

Welch Vacuum Components & Service Kits  

Welch Vacuum System Connectors & Accessories

Welch Exhaust Filters & On/Off Foot Switch

Welch Foreline Traps & Hose Adapter Kits

Welch Vacuum Pump Oils

Welch QUICKCHANGE™ Oil Change System

Welch Vacuum Regulators, Vacuum Gauges

Welch Service Kits

Welch Pumping Speed Curves

Laboratory Vacuum Catalog

Browse catalog pages of interest and identify the product numbers of the items you need.  Click here for pricing and to place your order. These are links to PDF files, so Adobe Reader is required (free download). Unless noted otherwise, these are small (33kb to 100kb) downloads.

Welch Laboratory Vacuum Catalog
(Entire Catalog,  1091kb)

Welch Lab Application & New Product Information

Welch Pump Selection Chart for Common Lab Applications

Welch New DRYFAST ULTRA® 2 Torr (2.7 mbar) PTFE Pumps & Systems

Welch Typical Set-ups for Lab Applications

Welch Five Key Advantages of Application Specific Pumps

Welch Application Specific Pumps & Vacuum Systems

Welch Rotary Evaporator & Evaporator System (Concentrator)

Welch Accessories For Rotary Evaporator Pumps

Welch Filtration Manifold & Flask

Welch Vacuum Manifold (Schlenk Line)

Welch Freeze Dryer (Lypholizer)

Welch Aspiration/Filtration Systems

Welch Laboratory Automation & Tissue Culture Systems

Welch Vacuum Oven

Welch Gel Dryer & Concentrator

Welch Glove Box

Welch Vacuum Chamber, Annular Space & Transfer Line

Welch Vacuum Pumps

Welch Chemical Duty Dry Vacuum Pumps (Oil-Free)

Welch Standard Duty Dry Vacuum Pumps (Oil-Free)

Welch Compact Direct-Drive High Vacuum Pumps

Welch CHEMSTAR® Pumps & Accessories for Corrosive Gases

Welch DUOSEAL® Rugged Belt-Drive Vacuum Pumps

Welch Vacuum Components & Service Kits

Welch Vacuum System Connectors & Tubing

Welch Exhaust Filters & On/Off Foot Switch

Welch Foreline Traps & Hose Adaptor Kits

Welch Vacuum Pump Oils & QUICKCHANGE™ Oil Change System

Welch Vacuum Gauges & Vacuum Regulators

Welch Service Kits for Vacuum Pumps

Welch Pumping Speed Curves

Welch House Vacuum Systems