DN25 Differential Pressure Controller | Automatic Balancing Valve | ASV-P

  • Product Type: Automatic Hydronic Balancing Valve / Differential Pressure Controller

  • Model Crossover: Fully compatible with Danfoss ASV-P series (Type ASV-P 0.1 bar)

  • Size & Connection: DN25 with G 1-1/4″ External Thread (Male Thread)

  • Pressure Attributes: Pressure Class PN 16 | Max. Differential Pressure: 150 kPa (1.5 bar)

  • Installation Position: Engineered exclusively for mounting on the Return Pipe

  • Material Matrix: Premium heavy-duty Brass construction for high-performance thermal networks

  • System Benefits: Automatically eliminates overflow/underflow, lowers energy consumption, and reduces system noise

  • B2B Flexible Policy: No MOQ (Zero Minimum Order Quantity) | Custom OEM scaling, laser branding, and tailored bulk packing available

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Dynamic Hydronic Balancing with ASV-P Series Differential Pressure Controllers

The Fanovo DN25 Automatic Balancing Valve (ASV-P series compatible) is a dynamic, high-efficiency differential pressure controller designed to maintain a constant differential pressure across HVAC heating and cooling zones. By instantly adapting to fluctuating load conditions, this valve prevents the common industry challenges of system overflow, underflow, and hydronic imbalance in commercial and residential residential distribution networks.

How It Optimizes HVAC Systems:

Mounted directly on the return pipe, the valve automatically responds to pressure variations caused by the closing and opening of Thermostatic Radiator Valves (TRVs) or zone control valves. It ensures a stable delta-P ($\Delta P$) up to 150 kPa, guaranteeing that each zone receives exactly the required flow rate. This automatic adjustment eliminates the need for time-consuming, costly manual balancing during commissioning and significantly cuts down operational energy consumption.

Widespread Application Architecture:

  • Two-Pipe Heating Systems: The ideal dynamic companion for networks utilizing Thermostatic Radiator Valves (TRVs).

  • Underfloor Heating Loops: Maintains perfect manifold differential pressure to ensure silent, evenly distributed thermal comfort.

  • District Heating Sub-Stations: Protects sensitive heat exchangers and control loops from sudden system pressure spikes.

  • Chilled Water Fan Coil Units (FCUs): Provides precise variable volume flow management in modern commercial HVAC infrastructures.

DN25 ASV-P Technical Specification Matrix

Engineering ParameterStandard Factory Specification
Product Group / FunctionAutomatic Hydronic Balancing / Differential Pressure Control
Design CompatibilityFully Interchangeable with ASV-P Series
Nominal Diameter (Size)DN25 (1 Inch)
Connection TypeExternal Thread (G 1-1/4″ Male Thread Connection)
Pressure Rating / ClassPN 16 (16 Bar / 232 PSI nominal working pressure)
Max. Differential Pressure ($\Delta P_{max}$)150 kPa (1.5 Bar / 21.7 PSI)
Required Mounting PositionInstalled strictly on the Return Pipe
Flow Range Capability0 – 100% Fully Automatic continuous linear adjustment
Body Weight & VolumeNet / Gross Weight: 1.893 kg
Valve Housing MetallurgyPremium Forged Industrial Brass
Internal Diaphragm & SealsHigh-grade EPDM / Reinforcement Elastomere for long thermal life

Compliance, Environmental Certifications & Quality Standards

Every Fanovo dynamic balancing valve undergoes strict factory inspections to verify mechanical sealing and pressure response boundaries before dispatching to global distribution networks.

  • EU RoHS Compliance: Fully compliant with European RoHS directives (Certified with applicable product group exemptions for leaded copper-alloys).

  • REACH Candidate List Substance Declaration: In strict accordance with European chemical safety regularities, this industrial brass component contains Lead (CAS No. 7439-92-1) safely bound within the metallurgy matrix to ensure premium machining precision and high tensile stability.

  • SCIP Dossier Tracking: Aligned with international data transparency for waste management frameworks, structured under SCIP Dossier product classifications for the “ASV-P DN15-40” equipment range.

  • 100% Hydrostatic Testing: Every automatic controller is pressure tested to PN16 baselines to guarantee zero shell leakage and precise spring-diaphragm calibration before leaving our automated assembly center.

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please contact Fanovo.

FANOVO STATEMENT OF WARRANTY & LIMITATION OF WARRANTY

Fanovo warrants, to our all purchasers, that its products which are delivered to its purchasers will be the kind described in the order or price list and will be free of defects in workmanship or material for a period of two year from the date of shipping to you, our purchaser.

Should any failure to conform to this warranty appear within two year after the date of the initial delivery to our purchaser, Fanovo will, upon written notification thereof and substantiation that the goods have been stored, installed, maintained and operated in accordance with Fanovo’s recommendation and standard industry practice, correct such defects by suitable repair or replacement at Fanovo’s own expense. If any valve alleged to be defective, is reported to Fanovo headquarter in China, it will be examined and, if found to be defective under the warranty, it will be replaced at no charge in future order.

THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR OTHER WARRANTY OF QUALITY, WHETHER EXPRESS OR IMPLIED, EXCEPT THE WARRANTY OF TITLE AND AGAINST PATENT INFRINGEMENT Correction of non-conformities, in the manner and for the period of time provided above, shall constitute fulfillment of all liabilities of Fanovo to our purchaser, with respect to the goods, whether based on contract, negligence, strict tort or otherwise, it is the intention of Fanovo that no warranty of any kind, whether express or implied, shall pass through our purchaser to any other person or corporation.

LIMITATION OF LIABILITY: FANOVO SHALL NOT UNDER ANY CIRCUMSTANCES BE LIABLE FOR SPECIAL OR CONSEQUENTIAL DAMAGES SUCH AS, BUT NOT LIMITED TO, DAMAGES OR LOSS OF OTHER PROPERTY OR EQUIPMENT, LOSS OF PROFITS, OR REVENUE, COST OF CAPITAL, COST OF PURCHASED OR REPLACEMENT GOODS, OR CLAIMS OF CUSTOMERS OF OUR INITIAL PURCHASER. THE REMEDIES OF OUR INITIAL PURCHASER, AND ALL OTHERS, SET FORTH HEREIN ARE EXCLUSIVE, AND THE LIABILITY OF FANOVO WITH RESPECT TO SAME SHALL NOT, EXCEPT AS EXPRESSLY PROVIDED HEREIN, EXCEED THE PRICE OF GOODS UPON WHICH SUCH LIABILITY IS BASED.

B2B Custom OEM/ODM Engineering & Batch Logistics

As an established fluid control manufacturer, Fanovo specializes in scaling production parameters to align with international commercial blueprints and brand customization goals.

  • Thread & Fitting Adaptation: While our standard stock features G-thread external plumbing connections, we can custom-machine NPT, BSPT, or specialized union-end connectors to match your region’s infrastructure.

  • Private Labeling & Laser Etching: We offer professional factory laser-marking services. We can precision-etch your proprietary brand logo, specific part numbers, local compliance markings, and flow indicators directly onto the brass valve body casing.

  • Flexible Zero-MOQ Stocking Policy: We actively eliminate procurement barriers for project mock-ups and initial trial runs by maintaining a No Minimum Order Quantity (Zero MOQ) threshold on standard configurations.

  • Rapid Supply Chain Delivery: Take advantage of our modern machining matrix in China to achieve agile production lead times, averaging 2-3 weeks for bulk contract fulfillment.

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