The Siemens VPI46.32F4Q Pressure Independent Control Valve is a high-quality valve.

It is used in ventilation and air conditioning systems for precise flow control and automatic hydraulic balancing of terminal units.
The valve body is made of dezincification resistant hot-pressed brass.
It has a pressure rating of PN 25 and a nominal diameter (DN) of 32 mm.
The volumetric flow range is from 550 to 4001 l/h.