Edwards QDP40 Dry Vacuum Pump, 200-208 50/60 Hz / 380-415 50/ Hz

Condition: Remanufactured

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Item#:PN06852

Mfr Part#:QDP40

Manufacturer:Edwards Vacuum

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Remanufactured Edwards QDP-40 (QDP 40) (QDP40) Dry Vacuum Pump, qdp40

Features:

200-208 50/60 Hz
380-415 50/ Hz

Overview
Service & Repair

Edwards QDP-40 (QDP 40) (QDP40) Dry Vacuum Pump, qdp40, Edwards QDP40 Dry Vacuum Pump, 200-208 50/60 Hz / 380-415 50/ Hz

Edwards QPD-40 Overview:

The QDP 40 pumps operate at pressures between atmospheric and ultimate vacuum with no lubricating or sealing fluid in the pumping chamber. This ensures a clean pumping system without back-migration of oil into the system being evacuated.

QDP40 pumps have enclosed, water-cooled motors and are therefore suitable for applications in clean environments where fan cooling is unacceptable.

The Edwards QDP-40 pumps are each fitted with a gas system, exhaust-silencer and check-valve. The pump is fixed to the framework by vibration isolators. The framework has castors and levelling feet.

The QDP pumps are four-stage, positive displacement rotary pumps in which pairs of intermeshing rotors (of different profiles mounted on common shafts) are held in correct phase relation by a pair of timing-gears. The timing-gears and the adjacent double-row angular contact ball-bearings, are oil lubricated.

The pump shafts and rotors are made from cast-iron. The internal and external shaft-seals on the motor drive-shaft are made of polytetrafluoroethylene (PTFE). Bearings are located on the high vacuum end of the shaft, near to the pump-inlet. These bearings are packed with perfluoropolyether (PFPE) grease.

This item is non-returnable/non-refundable

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High quality service guaranteed

A&J Vacuum Services provides repairs on all types of High Vacuum equipment. We perform Turbomolecular Pump repair, Turbo Pump Repair, Dry Pump repair, Vacuum Pump repair and Mass Spectrometer repair. Our highly trained technicians will deliver the highest quality service and satisfaction.

We operate at our own full service repair facility which allows us to quickly and economically perform all repairs in a timely manner. Our advandced machinery enables us to handle all facets of the service and repair process. AJVS utilizes industry standard vibration analysis equipment and advanced testing equipment to troubleshoot and minimize all equipment failures. Our in-house machine shop is capable of machining various components, prototypes and housing conversions as needed.

AJVS repair process:

Repair Steps

Full incoming inspection and run up time check, vibration check, drive inspection.
Full disassembly of the pump, decontamination and cleaning.
Pump is balanced utilizing state-of-the-art equipment from the world leader in equipment balancing and analysis to reduce noise and vibrations and extend bearings life.
Assembly and replacement of all necessary parts such as shafts, bushings, bearings, sleeves, O-rings, gaskets, seals, wicks, etc. Only parts that meet or surpass OEM specifications are used to ensure dependable highest quality service and log pump life.
Final test and leak check. The pump in fully assembled condition is checked for vacuum seal. Leak test to 1 x 10 -Mbar l/s. Vibrations are analyzed and test data is digitally recorded.

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