Siemens’ PICV integrate 3 into 1

Siemens announces PICV pressure independent control valves that integrate three functions into a single device: control valve, adjustable flow limiter, and automatic pressure regulator. Siemens’ line is engineered to offer accuracy and flexibility which simplifies planning, installation and commissioning – especially for large hydronic HVAC system applications. Control accuracy enhances room comfort and the valves make a significant energy efficiency contribution by preventing over- or under-supply of heating or cooling energy.

The portfolio of PICVs from Siemens is comprised of eight different valves covering a flow range from 0.3 gpm to 37 gpm with a differential pressure operating range from 2.3 psi to 58 psi. The combination of control valve and differential pressure regulator in one valve facilitates installation and simplifies commissioning. An integrated differential pressure regulator keeps the pressure across the internal control valve constant, while also maintaining consistent volumetric flow, regardless of pressure fluctuations in the hydronic system. This ensures a higher level of comfort under all operating conditions and keeps return temperatures optimized. Thus HVAC equipment, such as pumps, can work easier generating greater savings in maintenance and repair costs while significantly reducing heating and cooling costs. The PICVs are designed to pair with modular Siemens non-spring return and spring-return electronic actuators.

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