User Guide

599 Series 2-Way Ball Valves Technical Instructions
Document Number 155-703P25
July 7, 2014
Siemens Industry, Inc. Page 3
Actuator Prefix Code OpenAir Actuator * Control
GMA126.1P
2-position, fail-safe, normally closed, dual auxiliary switches
GDE131.1Q**
Floating, fail-in-place
GLB131.1Q**
Floating, fail-in-place
GDE161.1Q**
0 to 10 Vdc, fail-in-place
GLB161.1Q**
0 to 10 Vdc, fail-in-place
*When ordered as an assembly, the actuator is provided with 3-foot (.9 m) wires.
**When ordered as an assembly, the actuator is provided with conduit adapter and 6-foot (1.8 m) wires.
See TB253 599 Series Ball Valve and Actuator Assemblies Selection Technical
Bulletin (155-704P25) for complete selection procedures and ordering numbers
for both two-way and three-way ball valve assemblies.
Individual two-way ball valves can be ordered using the product numbers in
Table 2 through Table 5 for valves with a chrome-plated ball and brass stem or
Table 6 through Table 9 for valves with stainless steel ball and stem.
Figure 1.