GMB40K Heavy Duty Roots Pumps
The new Edwards GMB40K features an innovative composite rotor design made from high-strength alloy steel shafts with lightweight rotor lobes, safely enabling higher running speeds. This patented design offers maximum displacement in an industry-leading footprint.
The GMB40K is scalable with multiple foreline configurations. It conforms to global IEC standards and NEMA flange compatibility. ATEX options for hazardous or chemical applications are also available.
Manufacturer: EDWARDS
Series: GMB40K Heavy Duty Roots Pumps
Technology: Roots vacuum pumps
Order number:
TECHNICAL SPECIFICATIONS
| GMB40K Specifications | units | |
|---|---|---|
| flow rate | 31.000 * 18.250 | m3/hr
CFM |
| Min. foreline pump capacity (m3/hr) | 6.500
3.825 |
m3/hr
CFM |
| Maximum pressure in roots pump | 25
18,75 |
mbar
torr |
| Total input current at ultimate pressure | <2.5
<3.35 |
kW
hp |
| final pressure | <0.01*
<0.008 |
mbar
torr |
| number of revolutions | 540 mins
3,960 max |
min-1 |
| engine power | IEC-30
NEMA-40 |
kW
hp |
| Noise- | 80 | dB(A) |
| vibrations | <4
<0.16 |
mm s-1
inch s-1 |
| cooling water connections | 1/2″ | BSP (IEC version)
NPT (NEMA type) |
| cooling water temperature | 5-40
41-104 |
°C
°F |
| Minimum cooling water flow
(at max. temp.) |
10
2.6 USgal min-1 |
liters min-1
US gal min-1 |
| cooling water pressure | 1.0
14,7 |
bar
psi |
| Recommended type of lubricant | Synthetic gear oil for roots pump | |
| quantity of lubricant | 7
1,85 |
liter
US gal |
| connection flanges | Inlet DN500
Outlet ISO250 |
|
| Weight | 2260
4980 |
kg
lbs |
| Dimensions | See diagram | |
| ambient temp. | -20-40
-4–104 |
°C
°F |
| * With typical Edwards GXS or IDX based backing pumps at 6,700 m3/hr |
QUOTE REQUEST
