8.
Technical data
Information
The following tables include standard and optional features. For detailed information
on the customer-specific version, refer to the order-related data sheet. The technical
data sheet can be downloaded from the Internet in both German and English at ht-
tp://www.auma.com (please state the order number).
8.1.
Technical data Part-turn gearboxes
Features and functions
For open-close duty: Spheroidal cast iron
For modulating duty: Bronze
Worm wheel material
Clockwise rotation RR, counterclockwise rotation LL
Standard:
Version
RL or LR
Option:
Cast iron (GJL-250)
Standard:
Housing material
Spheroidal cast iron (GJS-400-15)
Option:
The gearboxes are self-locking when at standstill under normal service conditions; strong vibration may
cancel the self-locking effect. While in motion, safe braking is not guaranteed. If this is required, a sep-
arate brake must be used.
Self-locking
Positive for both end positions by travelling nut, sensitive adjustment
End stops
Guaranteed strength of end stop (in Nm) for input side operation according to AWWA
GS 500
GS 400
GS 315
Type
GZ
16.1
GZ
40.1
GZ 40.1
GZ 35.1
GZ 30.1
Primary reduction
gearing
4:1
16:1
32:1
16:1
32:1
16:1
8:1
32:1
16:1
8:1
Reduction ratio
450
450
450
250
450
[Nm]
Strength of end stop
Guaranteed strength of end stop (in Nm) for input side operation
GS 500
GS 400
GS 315
Type
GZ 40.1
GZ 35.1
GZ 30.1
Primary reduction
gearing
45:1
8:1
8:1
6:1
4:1
40:1
16:1
4:1
Reduction ratio
500
450
450
250
450
[Nm]
Strength of end stop for special re-
duction ratios
Adjustable 0° – 135°; set in the factory to 92° unless ordered otherwise.
Standard:
Swing angle GS 315 – GS 500
Swing angle > 100°, multi-turn version without end stops, GSD version.
Multi-turn version without end stop, up to max. 10 turns of worm wheel permissible. Heed
special sizing!
Options:
Pointer cover for continuous position indication
Standard:
Mechanical position indicator
●
Sealed pointer cover for horizontal outdoor installation
●
Protection cover instead of pointer cover for buried service
For gas applications with sealed pointer cover, an air vent valve in the pointer cover or
venting keyways in the valve mounting flange must be provided.
Options:
Cylindrical with parallel key according to DIN 6885-1 (refer to table on page 1)
Input shaft
28
GS 315 – GS 500
Technical data
GZ 30.1 – GZ 40.1
