|



|
Models
available |
GR28
– GR33 – GR38 – GR47 – GR55 – GR72
|
| Flanges |
Group
1 – Group 2 (European, German, BKT, SAE-A)
Group
3 (European, SAE-B)
|
| Connections
|
GAS
– SAE ¾’ 5000 PSI
FL
4 HOLES M6 SU Ø40 DN20 (***)
|
| Installation
position |
External |
|
Shaft
rotation
|
Clockwise
|
| Shaft
speed |
Up
to 3.600 rpm
|
|
Displacements
– Flows
|
From
6 up to 184 cm3
From
9L/min up to 264L/min (at 1.500 rpm)
|
| Operating
pressure (*) |
Continuous:
240 bar
Cycle
ON/OFF:
250 bar
Peak:
280 bar
|
|
Inlet
pressure
|
0,8
– 2 bar (****)
|
| Fluids
|
Mineral
oil HLP e HLVP
Ecologic
fluids HETG-HEPG-HEE
Synthetic
fluid or emulsion: (**)
HFA oil-water emulsion – oil minimum 20%
HFB
water-oil emulsion – oil minimum 20%
HFDR
phosphate ester
Lubrification
oils high viscosity (**)
Special
synthetic fluid: MIL-H, SKYDROL, special on request
|
|
Viscosity
|
Permissible
(**):
from 20 up to 800 mm2/s [cSt]
Recommended:
from 24 up to 150 mm2/s [cSt]
Starting
conditions (**): up
to 3.000 mm2/s [cSt]
|
|
Environment
temperature
|
From
-15° up to +60°C
|
|
Hydraulic
temperature
|
From
-15° up to +80°C
|
|
Filtration
|
Inlet
Port: 60 μm
Outlet
Port: from 10 to 25 μm
|
|
Seals
|
NBR,
FPM, EPDM – Special on request
|
|
Noise
|
from
52 up to 68 dB(A) at 2.750 rpm
Value
based on ISO 4412 test procedure
|
|
Pump
body (standard)
|
Extruded
aluminium alloy
|
|
Screw
|
Case
hardened grinded steel
|
|
Maintenance
|
No
|
|
(*)
Test executed with Oil ISO VG46 (40°C) - 10μm
filtration
|
| (**)
Please contact the company to have further details |
| (***)
Available on certain models upon customer request |
| (****)
Up to 10 bar Shaft Seal available on certain models upon
request |