Siemens Powers RL147 Positioning Relay

Siemens 147-2000 Positioning Relay is a compact, pneumatic device designed to provide positive positioning of a pneumatic valve or damper actuator. The positioner provides supply air pressure against the actuator diaphragm to initiate stem or shaft movement. The actuator spring reverses the stem or shaft movement.

Features:
 Rapid response
 Good repeatability
 Adjustable start point pressure
 Adjustable span
 Low air consumption