The Welch CRVpro 4 starter package comes with integral gas ballast valves and includes oil mist filter AKD, 2-way ball valve, hose adapter DN16KF-10/8, 1.5 meter rubber vacuum hose and oil drain kit. It is suitable for use with chemicals, doesn't include inlet trap or condenser.
The CRVpro family includes all the features you'd expect in a direct drive rotary vane pump: gas ballast, forced oil lubrication, anti-suckback mechanism and thermal overload protection.
CRVpro4 vacuum pumps can be used for applications such as:
freeze drying
vacuum ovens
schlenk line
backing turbo molecular pumps
degassing
vessel/chamber evacuation
Direct drive pumps are not recommended for filtration, aspiration, drying electrophoresis gels, or other applications requiring sustained operation above 40 mbar.
Every pump is supplied complete with Directorr Premium vacuum pump oil, centering rings, and motor overload protection. Ready for use after oil filling.
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