Siemens Knob Pneumatic Relay Mechanical Valve VPI146 Series, 2.5mm, VPI46.50F12Q

The Siemens combi valve is designed for use in HVAC systems, specifically for control on the water side and automatic hydraulic balancing of terminal units. It is suitable for applications in residential and non-residential buildings, including self-contained heating systems, apartments, individual rooms, and closed circuits. With its integrated differential pressure controller and a volumetric flow range of 11500 l/h, this combi valve ensures precise and efficient control of water flow in various heating and cooling systems.

Integrated differential pressure controller for accurate control of water flow
Valve body made of dezincification resistant hot-pressed brass for durability
Can be equipped with various actuators for versatile control options
Wide volumetric flow range of 30 to 11500 l/h for flexibility in different applications
Externally threaded G connections for easy installation
Optional pressure test points for convenient measurement of differential pressure