The Siemens VPI46.25F1.8Q is a combi valve designed for precise flow control in heating, ventilation, and air conditioning (HVAC) systems. It features an integrated differential pressure controller, providing automatic hydraulic balancing for terminal units such as fan coils and heat exchangers. With a flow capacity of 1800 l/h, this valve is ideal for use in closed circuits. The valve is equipped with pressure test points for easy Δp measurement and is compatible with Siemens electrothermal and motorized actuators.

Key Features:

• Integrated differential pressure controller
• DN 25 with a flow capacity of 1800 l/h
• Pressure test points for Δp measurement
• Suitable for automatic hydraulic balancing in HVAC systems
• Compatible with Siemens actuators

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