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GS 50.3 – GS 250.3<br />
Technical data Part-turn gearboxes for open-close duty<br />
Corrosion protection Standard: GS 50.3 – GS 80.3: KS<br />
GS 100.3 – GS 250.3: KN<br />
Option:<br />
KN<br />
KS<br />
KX<br />
GS 50.3 – GS 80.3: KX<br />
GS 100.3 – GS 250.3: KS/KX<br />
Suitable for installation in industrial units, in water or power plants with a low pollutant<br />
concentration<br />
Suitable for use in areas with high salinity, almost permanent condensation, and high pollution.<br />
Suitable for use in areas with extremely high salinity, permanent condensation, and high pollution.<br />
Finish coating GS 50.3 – GS 80.3:<br />
GS 100.3 – GS 250.3:<br />
Powder coating<br />
Two-component iron-mica combination<br />
Colour Standard: AUMA silver-grey (similar to RAL 7037)<br />
Option:<br />
Available colours on request<br />
AUMA load profi le<br />
Peak load (max. output torque)<br />
Torque<br />
Mean load (basic load)<br />
35 %<br />
0 %<br />
35 %<br />
0° 9°<br />
Swivel movement<br />
90°<br />
Swing angle<br />
AUMA worm gearboxes meet or even exceed the lifetime requirements of EN 15714-2.<br />
Lifetime for motor operation<br />
in accordance with AUMA load profi le<br />
Duty class 1: Lifetime for 90° swivel movement Meets the lifetime requirement of EN 15714-2<br />
Gearbox size GS 50.3/<br />
GS 63.3<br />
Number of cycles<br />
for max. torque<br />
GS 80.3/<br />
GS100.3<br />
GS 125.3 –<br />
GS 200.3<br />
GS 250.3<br />
10,000 5,000 2,500 1,200<br />
Lifetime for larger swing angle on request<br />
Duty class 2: Lifetime for 90° swivel movement for valves which are rarely operated.<br />
Gearbox size GS 50.3/<br />
GS 63.3<br />
GS 80.3/<br />
GS100.3<br />
GS 125.3 –<br />
GS 200.3<br />
GS 250.3<br />
Number of cycles<br />
for max. torque<br />
1,000<br />
Lifetime for larger swing angle on request<br />
Lifetime in manual operation Duty class 3: Meets the lifetime requirement of EN 1074-2<br />
Limit sensing for signalling position and end positions<br />
Valve position indicators<br />
• WSG valve position indicator (hall sensors) for position and end position signalling to ensure precise and<br />
low-backlash feedback for swing angles ranging between 82° and 98°.<br />
• WGD valve position indicator (counter gear mechanism) for position and end position signalling for swing<br />
angles > 180°<br />
We reserve the right to alter data according to improvements made. Previous documents become invalid with the issue of this document.<br />
Y000.288/003/en Issue 1.15 Page 6/7
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