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as a pilot-operated valve
This indicates the specific pressure level (in inches of water column) at which the internal diaphragm will "fall" or open the circuit
Robust Construction: Forged brass body and brass trim resist de-zincification and mechanical wear
Plug-and-Play Installation: standard electrical connectors and mounting footprint allow for fast replacement during service calls
Durable bi-metal construction designed to withstand the thermal cycling typical of commercial chiller operation
Siemens DDC PTM6.1PSI20-M-R Module 320788-704 as a pilot-operated valveThe Siemens DDC PTM6. 1PSI20 M R is a core direct drive control component designed for integrating high precision actuator feedback within legacy and modern Siemens building automation systems. As a Positioning Module Refurbished unit, it provides the bridge between the central DDC processor and field level electric motors, facilitating exact movement for HVAC damper control and water flow valves. This specific PTM module utilizes 20 feedback signals
