| Pump Type GV80 |
Dry running, roots & claw |
Stages
|
Four (1 roots + 3 claw) |
Rotational Speed 50 Hz
|
3000 rpm (Direct Drive) |
Rotational Speed 60 Hz
|
3600 rpm (Direct Drive |
Displacement (Swept Volume) 50Hz
|
91.5 m3/hr 54 cfm |
Displacement (Swept Volume) 60Hz
|
107 m3/hr 63 cfm |
Maximum Pumping Speed 50 Hz
|
82 m3/hr 48 cfm |
Maximum Pumping Speed 60 Hz
|
94 m3/hr 55 cfm |
Ultimate Vacuum
|
<0.03 mbar <.0225 torr |
Inlet Connection
|
ISO 40 |
Outlet Connection
|
NW40 |
| Cooling Arrangement |
|
Cooling
|
Direct water cooling |
Water Inlet Connection
|
½” Female Quick Connect |
Water Outlet Connection
|
½” Male Quick Connect |
Supply temperature range
|
5 to 35 ° C 41 to 95 ° F |
Typical heat removal by cooling water
|
1.1 kW 3757 btu/hr |
Flow rate
|
1 l/min. 15.8 gal/hr. |
Pressure rating
|
8 bar 116 psi max |
Over Temperature Protection
|
Dual thermal snap switch |
Switch Setting (where applicable)
|
Warning 88 ° C 190 ° F |
| Shutdown 95 ° C 203 ° F |
| Shaft Seal Purge Gas |
Nitrogen/CDA or Atmospheric Air |
Shaft Seal Purge Connection
|
¼” Female Quick Connect |
Flow
|
15 litres/min |
Supply Pressure
|
2 – 7 barg 30-100 psi |
Purge Pressure
|
0.3 to 0.5 bar above exhaust pressure |
Purge Pressure
|
4-7 psi |
Optional Atmospheric Shaft Seal Purge Kit
|
NRA640450 |
Gas Ballast
|
Manual on hydrocarbon variants |
| N/A on PFPE variants |
| Noise Level (without enclosure) |
<81 dBA with exhaust silencer |
Optional Acoustic Enclosure A50575000
|
< 77 dBA with exhaust silencer |
| Exhaust Silencer |
Stainless Steel (Cleanable) |
Drain Ports
|
(2) ½” BSP Female |
Exhaust Port
|
NW40 |
| Electrical |
|
Motor power
|
4 kW 5.4 hp |
220-240V 50 Hz FLA
|
12.6 amp |
380/400/415V 50 Hz FLA
|
7.3 amp |
… 200V 50 Hz FLA
|
|
200V 60 Hz FLA
|
|
208/230V 60Hz FLA
|
20 amp |
460V 60Hz FLA
|
9.2 amp |
380V 60Hz FLA
|
7.3 amp |
| Lubrication |
|
Hydrocarbon Oil
|
LV Gearbox Mobil SHC629 |
| HV Gearbox PFPE grease |
PFPE Oil
|
LV Gearbox PFPE Fluid 25/6 or 1525 |
| HV Gearbox PFPE grease |
| Weight |
330 lbs 150 kg |
| Dimensions (millimetres) L x W x H |
832.5 x 586.7 x 275 |
| Dimensions (inches) L x W x H |
32.78 x 23.10 x 10.83 |
| Materials of Construction |
|
Stator
|
Grey cast iron, grade 250 |
Shaft
|
Carbon steel 817 M40 |
Rotors
|
Grey cast iron, grade 250 |
| Bearing Type & Lubrication |
|
High Vacuum End
|
Roller, PFPE vacuum greased |
Low Vacuum End
|
Double row ball, oil splash |
| Shaft Seal Arrangement |
|
High Vacuum
|
PTFE Lip and labyrinth |
Low Vacuum
|
Double PTFE lip, labyrinth & purge |
Gearbox Shaft Seal
|
PTFE lip |
