WGR
– Worm Gear Reducer
Instruction and operating manual
© Copyright by BIFFI Italia. All right reserved
MAN 684/Rev 5 Page
9
3
TECHNICAL DATA
WGR Model ICON2000
Model
Nominal Torque (100%)
[Nm]
Maximum Torque
[Nm]
WGR Ratio
(
10%)
Valve Attachment
ISO 5211
WGR 100
010
1.000
1.500
50:1
F14
WGR 200
010
2.000
3.000
98:1
F16
WGR400
010
4.000
6.000
124:1
F16
WGR 800
020
8.000
12.000
183:1
F25/F30
WGR 1600
020
16.000
24.000
373:1
F25/F30
WGR 3200
020
32.000
48.000
747:1
F30/F35
030
32.000
48.000
400:1
F30/F35
WGR6300
020
63.000
94.500
1680:1
F40
030
63.000
94.500
920:1
F40
040
63.000
94.500
377:1
F40
3.1
Application range
WGR gear boxes are suitable to operate in on-off or intermittent service up to 60 starts/hour max.
WGR-DW gear boxes are suitable to operate in modulating service (up to 1200 starts/hour max).
Quarter-turn worm screw gear boxes are suitable to be motorized for applications in standard temperature range
from –30°C to +85°C (low temperature version are suitable to operate in temperature range from -40°C up to
+85°C).
WGR gear boxes are suitable to guarantee the output bush rotation of 90° with the possibility to obtain a 5° extra
stroke for each direction of rotation.
WGR gear boxes have protection degree IP66M and IP67M according to EN 60529, complete with third-party
certificate (the enclosure protection IP66/IP67/IP68 refers to the interior of the gearboxes, but not to the coupling
compartment).
IP 68 achieved with a submersion under 15 meter for 100 hours.
WGR gear boxes are also available with protection degree IP68 according to EN60529 (the enclosure protection
IP68 refers to the interior of the gearboxes, but not to the coupling compartment).
Please check with Biffi the acceptance of the submersion request (depth, medium, etc.) in order to verify the
compatibility requirements.
