Welch Belt Drive Pumps

Welch Belt Drive Pumps including;

• Rugged Belt Drive Vacuum Pumps l DUOSEAL®
• Rugged Belt Drive Vacuum Pumps l DUOSEAL®, CAPTURE
• CHEMSTAR® Vacuum Pumps l Corrosive Gases
• Capture Pump l Refrigerant Recovery Transfer

DuoSeal Pumps Rugged oil-seal pumps for a wide variety of vacuum needs, including Schlenk drying lines, freeze drying, degassing, concentrations, distillations, and more. Pulley drive enables low pump rpm operation – reduces friction, oil temperature, and oil degradation. Large oil reservoir minimizes contamination effects and extends maintenance intervals. Use of a cold trap is recommended to protect the pump and enhance vacuum levels. Refrigeration Servicing Pumps Special Welch DuoSeal pumps are fitted with components designed to withstand refrigerant contact. Models 1402B-46 and 1397B-46 include integrated handles.

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