Home > Vacuum Pumps > Blowers > Edwards Stokes > EH & QMB - REBUILT > Edwards EH-250 Vacuum Blower - REBUILT
Email Link Tweet This Share on Facebook

Edwards EH-250 Vacuum Blower - REBUILT

Manufacturer Part Number: A30151945
Price: $2,600.00
Edwards EH-250 Vacuum Blower - REBUILT
Click Image to Enlarge

Edwards EH-250 Vacuum Blower - REBUILT

Rebuilt with one year warranty. View our inventory of Edwards blowers.

Displacement (swept volume)
50 Hz 310 m3h-1 / 185 ft3min-1
60 Hz 375 m3h-1 / 220 ft3min-1
Effective pumping speed with backing pump
E1M40 or E2M40 240 m3h-1 / 141 ft3min-1
E1M80 or E2M80 274 m3h-1 / 161 ft3min-1
Pressure differential across pump
50 Hz 0-180 mbar / 0-140 Torr
60 Hz 0-150 mbar / 0-115 Torr
Inlet connection ISO63
Outlet connection ISO40
Rotating speed
50 Hz 0-2,900 rpm
60 Hz 0-3,500 rpm
Operating continuous inlet pressure 0-1,000 mbar / 0-760 Torr
Maximum outlet pressure 1,000 mbar / 760 Torr
Recommended backing pumps GV80, E1M/E2M40, E1M/E2M80
Electrical supply voltage, 3-ph
50 Hz 220-240V / 380-415V
60 Hz 230V / 460V
Motor power
Hydrocarbon 2.2 kW / 3 hp
PFPE 2.2 kW / 3 hp
ATEX 2.2 kW
Explosion proof 3 hpp
Ambient temp. range
Operating 5 to 40°C / 40to 104°F
Storage -10 to 80°C / 14 to 176°F
Max. operating humidity 90% RH
Recommended oil
Standard version Ultragrade 20
PFPE version Fomblin YVAC 16/6
Oil capacity
Coupling cover 1.5 l / 1.6 qt
Shaft seal reservoir 0.125 l
Weight 69 kg / 152 lb

Request for Quote

Need modifications to this item? PTB Sales' expert team of engineers can configure products to your specific needs. Please follow the above link, and fill out the quote form.

Edwards EH-250 Vacuum Blower - REBUILT

A301-51-945: 50Hz Industrial, 220-240V or 380-415V, 3-ph, 2.2kW
A301-52-946: 60Hz Industrial, 208-230V or 460V, 3-ph, 2.2kW
A301-51-935: 50Hz Standard, 220-240V or 380-415V, 3-ph, 1.5kW
A301-53-935: 50Hz PFPE, 220-240V or 380-415V, 3-ph, 1.5kW
A301-52-936: 60Hz Standard, 208-230V or 460V, 3-ph, 1.5kW
A301-54-936: 60Hz PFPE, 208-230V or 460V, 3-ph, 1.5kW

Product Reviews

There are currently no customer reviews for this product.

Be the first to write a review!
We value your opinion. Please take a moment and share what you like or don't like about a product.

Write a review now