Siemens - Combi Valve VPI46 Series
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Introducing the Siemens Combi Valve VPI46 Series, a cutting-edge solution that takes your room and zone control in ventilation and air-conditioning systems to the next level. Equipped with an integrated differential pressure controller, this versatile valve series is engineered for peak performance and efficiency. Discover the outstanding features that set this series apart.

Key Features:

  • Robust Construction: Available in multiple configurations, including DN 10 to DN 32 with a valve body made of dezincification-resistant hot-pressed brass (DZR), and DN 40 to DN 50 with a housing crafted from spheroidal graphite iron, ensuring durability and longevity.

  • Precise Control: The VPI46 Series offers precise control with a volumetric flow ranging from 30 to 11,500 l/h, making it adaptable to a wide range of system requirements.

  • Differential Pressure Range: With a differential pressure range spanning from 15 to 600 kPa, these valves provide the ideal conditions for efficient and balanced hydraulic control.

  • Versatile Thread Options: Featuring internally threaded Rp in conformity with ISO 7-1 and externally threaded G conforming to ISO 228-1, these valves provide flexibility in installation and compatibility.

  • Pressure Test Points (Optional): An optional version with pressure test points simplifies Δp measurement, facilitating system maintenance and diagnostics.

  • Actuator Compatibility: The VPI46 Series can be seamlessly equipped with a variety of actuators, including electrothermal or electromotive options, such as SSA.., STA..65.. / STP..65.., SUA21/3P, SUE21P, and SAY..1P03, allowing for diverse control strategies.

Versatile Applications:

The Siemens Combi Valve VPI46 Series finds its place in a wide range of applications:

  • Ventilation and Air Conditioning: Ideal for precise control on the water side and automatic hydraulic balancing of terminal units, including fan coils, induction units, and heat exchangers for heating or cooling.

  • Heating Zones: Perfect for self-contained heating systems, apartments, individual rooms, and more, where maintaining comfort and efficiency is paramount.

Designed for Closed Circuits:

The VPI46 Series is engineered for use in closed circuits, ensuring consistent and reliable control where it matters most.

Part Numbers:

VPI46.15L0.2QF-53-1362 Combi Valve Internal Thread DN15 200l/h (53-1362) - Frese
VPI46.15L0.6QF-53-1364 Combi Valve Internal Thread DN15 575l/h (53-1364) - Frese
VPI46.20F1.4QF-53-1368 Combi Valve Internal Thread DN20 1330l/h (53-1368) - Frese
VPI46.25F1.8QF-53-1339 Combi Valve Internal Thread DN25 1800l/h (53-1339) - Frese
VPI46.25F3.6QF-53-1373 Combi Valve Internal Thread DN25 3600l/h (53-1373) - Frese
VPI46.32F4QF-53-1374 Combi Valve Internal Thread DN32 4000l/h (53-1374) - Frese
VPI46.40F9.5QF-53-1578C Combi Valve Internal Thread DN40 9500l/h (53-1378) - Frese
VPI46.50F12QF-53-1579C Combi Valve Internal Thread DN50 11500l/h (53-1379) - Frese

Frequently Bought Together

Total price $684.00