With over 300,000 units produced, these pumps offer proven performance that sets the industry standard for R&D and scientific pumping applications. All RV pumps are approved to UL and CSA standards by an external test house and feature our unique mode selector switch, meaning one model is suitable for both high vacuum or high throughput applications.In summary, you can rest assured that when you choose an Edwards RV oil sealed rotary vane pump you are choosing a product you can rely on from a company you can trust. High reliability - generous lubrication of moving parts. Safe process and systems - fast acting inlet valve for best in class anti-suck back protection. Configured to meet your vacuum needs - mode selector and two position gas ballast.
No unplanned downtime - designed for easy maintenance. Better work environment - quiet running and intrusive frequencies minimised.Two position gas ballast allows either 60 g/hr or a class leading 220 g/hr (290 g/hr on RV12) of water vapour to be handled. Universal motor to cover the widest possible voltage and frequency range from a single variant. Smooth controlled inlet valve opening by oil pressure to eliminate pressure surges. Rapid closing inlet valve within 0.4 seconds of pump stopping. We will offer solutions to such cases. It takes approximately 15-25days(USA, CA, AU, UK). Other country 12-35 days European, South America, Africa, etc. You pay us what you see on the invoice, i.