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ManualsBrandsSiemens ManualsLarge Stroke (BC1)Flowrite 2-1/2 to 6-Inch Valves, Two-Way and Three-Way and Actuator Assembly Selection TB 256, Technical Bulletin
123456
Flowrite™ AP 599 Series 12-inch Pneumatic Valve Actuator Technical Instructions
Document No. 155-162P25
June 14, 2019
Siemens Industry, Inc. Page 3
Mounting and
Installation
Allow 12 inches (300 mm) above and 6 inches (150 mm) on each side of the actuator
for servicing.
For best performance, install the actuator vertically above the valve. The actuator may
be installed in any position between vertical and horizontal. Siemens Building
Technologies does not recommend installing the actuator below horizontal or upside
down. See Figure 1 for acceptable mounting positions.
Complete instructions for field mounting the actuator are included with the actuator.
The top edge of the stem nut indicates the valve stem position. The “0” marking on the
actuator yoke indicates stem up position. The “1” mark indicates stem down position.
See Figure 3.
Figure 1. Acceptable Mounting Positions.