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The exhaust valve seals and oil distributor seals are exposed after the top cover is removed. Overview Ecwards E2M series two stage oil sealed rotary vane vacuum pumps are renowned for their high ultimate vacuum, erwards pumping speeds, quiet operation and ability to handle water vapour. Positive Pressure Oil Lubrication The E2M40 pumps incorporate a well proven positive pressure oil lubrication system which as been developed by Edwards to ensure correct lubrication in all duty modes and particularly to prevent oil starvation with high gas loads.
FEATURES AND BENEFITS of the Em40 E2M40 Advanced pressurised oil circuit to give effective lubrication even under high gas loads When the pump is switched off, the spring loaded distributor valve provides oil and air suck-back protection Gas Ballast control to assist in handling high water vapour loads Industrial roller bearings on drive shaft for ultimate reliability and long, trouble free life Full height oil eedwards glass for easy checking of oil level and condition Easy change oil filter, with oil filter condition gauge on larger models Central inlet port to allow easy mounting of mechanical booster pump if required Easy to maintain, with convenient service kits and international customer support.
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The shaft seal can be replaced quickly without stripping down the pump. E2M40s are offered with a full range of accessories to enhance operation including: All EM pumps are constructed with internal dowels, which reduce the need for skilled setting of tolerances, when the pump is dismantled.
Therefore, the use of gas ballast reduces oil degradation and pump corrosion. Common versions of the E2M40 are as follows: A special feature of the E2M40 is the central vacuum inlet which enables you to fit a mechanical booster pump with a minimum overhang, to create compact combination pumping systems. A wide range of accessories edwarfs match your application needs The pumps and accessories can be supplied either as individual components or as fully systemised, factory-tested combinations.
The shaft seal can be replaced quickly without stripping down the pump.
A full length, easily visible oil level sight glass allows you to conveniently monitor the oil level. Reliable system protection devices Every E2M40 pump efwards protection devices to prevent oil and air suck-back into the vacuum system if the pump stops while under vacuum. Max water vapour pumping rate.
Edwards E2M40 Rotary Vane Vacuum Pump 40 Two Stage
Easy Maintenance The advanced lubrication system allows the E2M40 pumps to work with wide oil level tolerances, which reduce the need to top-up the oil. ITF Inlet Dust Filters — installed at the pump inlet to prevent dust particles from accumulating in the pump oil and damaging the pump and its performance.
The valve is used to introduce a suitable gas into the stator during the compression stage: Our Newsletter Your First Name: Supplied with Ultragrade oil. Manual Documentation Coming Soon. Buy in bulk and save. When you use gas ballast on some of the pumps, you must use a solenoid operated gas ballast control valve to prevent air suck-back.
With gas ballast partial pressure.
Edwards E2M40 Two Stage Rotary Vane Vacuum Pump – REBUILT
A special edawrds of the E2M40 is the central vacuum inlet which enables you to fit a mechanical booster pump with a minimum overhang, to create compact combination pumping systems. Technical Documents Manuals Contact Us. This oil lubrication system means that the level of oil in the reservoir is less critical than with other pump designs.
ITC Inlet Chemical Traps — installed at e2m400 pump inlet to prevent aggressive vapors from accumulating in the pump oil and damaging the pump and its performance.
The exhaust valve seals and oil distributor seals are exposed after the top cover is removed. Technical Data Displacement 50Hz A variety of protection devices are used, depending on the pump size and cost, but emphasis is always placed on reliability and simplicity.
Pumping Systems The E2M40 pumps, with suitable accessories, can partner a variety of other types of pump in vacuum systems for industry and evwards research. MF Outlet Mist Filters — capture exhaust oil mists keeping them out of the exhaust system. When you use gas ballast on some of the pumps, you must use a solenoid operated gas ballast control valve to prevent air suck-back.
Write your review here: Without gas ballast total pressure. For applications requiring inert fluids e.