Quick Summary
The HTW-V71 electric motorized valve combines a brass valve body with a matched spring return actuator for hydronic HVAC systems. It is designed for on/off control of chilled water and hot water in fan coil units, AHU sections, and zone control projects.
This page helps engineers, HVAC contractors, distributors, and OEM buyers check whether this electric motorized valve suits their project. It covers valve structure, 2-way and 3-way selection, actuator voltage, pressure limits, installation points, OEM options, and common purchasing questions.
Electric Motorized Valve for Hydronic HVAC Projects
The HTW-V71 electric motorized valve is designed for water flow control in HVAC systems. It is commonly used in fan coil units, air handling unit sections, zone control loops, and small to medium hydronic systems where stable on/off water control is required.
For overseas buyers, the key decision is not only valve size. The actuator voltage, pipe connection, pressure difference, flow direction, and system layout must also match the project. If these points are confirmed before ordering, installation will be easier and after-sales risk will be lower.
| Item | Recommended Check Point |
|---|---|
| Application | FCU, AHU, hydronic zone control, chilled water, hot water |
| Control Logic | On/off water flow control |
| Valve Structure | 2-way for shut-off; 3-way for mixing or diverting flow |
| Actuator | Spring return actuator with defined default position |
| Connection | Standard BSP thread; NPT can be discussed for custom projects |
| Buyer Fit | Suitable for HVAC contractors, system integrators, distributors, and OEM projects |
Key Functional Highlights
(This section explains the main engineering value of the electric motorized valve and actuator assembly in HVAC water systems.)
(01) Spring Return Safety Design
The actuator can return the valve to its default position when power is lost. This helps prevent uncontrolled water flow and supports safer system operation during power failure. For HVAC projects that require a predictable fail-safe position, this is an important selection point.
(02) 2-Way and 3-Way Valve Options
This electric motorized valve is available in 2-way and 3-way configurations. A 2-way valve is usually selected for simple shut-off control. A 3-way valve is more suitable for mixing or diverting flow, depending on the system design.
(03) Flow Control for FCU and AHU Applications
The valve controls chilled or hot water flow through fan coil units and AHU water circuits. Stable valve action helps improve room temperature response, reduce overheating or undercooling, and support better energy management in daily operation.
(04) Flexible Installation Orientation
The valve can be installed in horizontal or vertical piping systems. This gives installers more flexibility in compact mechanical spaces. Correct installation orientation also helps reduce leakage risk and commissioning problems.
(05) BSP Thread Connection
The electric motorized valve uses standard BSP thread connection. This is suitable for many common HVAC piping systems. If your market requires NPT connection, customization can be discussed according to order quantity and project requirements.
Product Design and Display
(Place the product multi-angle image here to show valve body, actuator shape, thread connection, and installation structure.)
How to Choose 2-Way or 3-Way Valve
Many purchasing mistakes happen because the valve structure is selected only by pipe size. For HVAC water control, the system layout should be checked first. The table below gives a simple selection guide.
| Project Requirement | Recommended Valve Type | Why It Matters |
|---|---|---|
| Simple open/close control of one water line | 2-way electric motorized valve | Suitable for shut-off control in FCU and zone control circuits |
| Water needs to be redirected between two paths | 3-way electric motorized valve | Supports diverting flow according to system design |
| Mixing control is required | 3-way electric motorized valve | Helps manage mixed water flow in suitable HVAC layouts |
| Project only needs basic water shut-off | 2-way electric motorized valve | Lower complexity and easier commissioning |
Model Code and Size Options
(Use this table near the product ordering area so buyers can quickly match pipe size and valve structure.)
| Model Code | Size |
|---|---|
| HTW-V71-215 / 315 | 215 = 2-way + DN15 (1/2 inch); 315 = 3-way + DN15 (1/2 inch) |
| HTW-V71-220 / 320 | 220 = 2-way + DN20 (3/4 inch); 320 = 3-way + DN20 (3/4 inch) |
| HTW-V71-225 | 225 = 2-way + DN25 (1 inch) |
| For example, HTW-V71-220 refers to a 2-way DN20 (3/4 inch) electric motorized valve with standard 220Vac power supply, BSP thread, and matched actuator. To confirm the correct sub-model for your project, please feel free to get in touch with us directly. | |
Technical Specifications
(Place this section before inquiry or ordering guidance. It helps engineers check compatibility before sending a request.)
| Parameter | Value |
|---|---|
| Valve Type | Electric Motorized Valve |
| Control Signal | On/Off |
| Power Supply | 220VAC standard; 24VAC / 110VAC optional |
| Connection Type | BSP standard; NPT customization by discussion |
| Pressure Rating | 0.15–0.2 MPa |
| Allowable Pressure Difference | ≤0.10 MPa |
| Medium Temperature | 2°C–95°C |
| Applicable Medium | Cold water / hot water |
| Available Sizes | DN15, DN20, DN25 |
| Typical Applications | FCU, AHU, HVAC zone control, hydronic water systems |
Wiring and Flow Direction
(Place the wiring and flow direction image here. This section is important for installers and should appear before customization information.)
Buyer Selection Checklist
Before ordering an electric motorized valve, buyers should confirm the following points. This helps avoid wrong actuator voltage, wrong thread standard, wrong valve structure, and unsuitable pressure conditions.
| No. | Check Point | What to Confirm |
|---|---|---|
| 1 | System Type | FCU, AHU, zone control, chilled water, or hot water system |
| 2 | Valve Structure | 2-way for shut-off; 3-way for mixing or diverting flow |
| 3 | Pipe Size | DN15, DN20, or DN25 according to pipe design and flow rate |
| 4 | Power Supply | 220VAC standard, or 24VAC / 110VAC if required |
| 5 | Connection Standard | BSP standard; NPT only if customized |
| 6 | Working Condition | Cold or hot water, not steam or aggressive media |
| 7 | Pressure Difference | Should not exceed the allowable pressure difference |
| 8 | OEM Needs | Logo, label, packaging, and actuator identification requirements |
Common Selection Mistakes
Choosing only by pipe size. Pipe size is important, but it is not enough. Buyers also need to confirm voltage, control logic, pressure difference, and thread standard.
Using the valve for unsuitable media. This electric motorized valve is designed for cold water and hot water. It should not be used for steam, corrosive liquid, or aggressive media.
Ignoring 2-way and 3-way system layout. A 2-way valve and a 3-way valve serve different system purposes. If the wrong structure is selected, the water circuit may not operate as intended.
Not checking actuator compatibility. Incorrect voltage or unmatched actuator type can cause operation failure, unstable control, or extra wiring work on site.
Project Fit and Customization
(Place this section after technical specifications and selection guidance. It helps convert project buyers into inquiries.)
This electric motorized valve is suitable for standard hydronic HVAC projects that use chilled water or hot water. It is commonly selected for FCU control, AHU sections, hotel HVAC systems, office buildings, commercial spaces, and zone control applications.
It is not suitable for steam systems, corrosive media, or applications where the pressure exceeds rated limits. If the project involves special fluid, higher temperature, higher pressure, or non-standard control signals, another valve type should be evaluated before ordering.
For OEM and project-based orders, power supply, actuator type, connection standard, logo printing, label design, and packaging can be discussed. These options depend on order quantity, certification needs, and market requirements.
For distributors, wholesalers, HVAC contractors, and OEM buyers, we can help check model selection before order confirmation. Please share pipe size, voltage, valve structure, medium, pressure condition, and expected quantity so we can suggest a suitable model.
Certificates and Compliance
(This valve product is designed for HVAC applications and can comply with CE-related requirements for the European market.)
Exhibition Moments
(Our team regularly participates in international HVAC exhibitions such as Febrava in Brazil, The Big 5 in Dubai, and ISK-SODEX in Turkey, etc.)
Frequently Asked Questions
Q1: When should I choose this electric motorized valve?
This electric motorized valve is suitable when your HVAC project needs stable on/off water control for FCU, AHU, or zone control systems. It is a practical choice for chilled water and hot water applications where simple switching control is required.
Q2: How do I choose between 2-way and 3-way electric motorized valve?
Choose a 2-way valve for basic shut-off control on one water line. Choose a 3-way valve when the system needs mixing or diverting flow. The correct choice depends on piping layout and control logic.
Q3: Can this valve support different actuator voltages?
Yes. The standard power supply is 220VAC, while 24VAC and 110VAC options are available. Please confirm the project voltage before selection to avoid actuator mismatch.
Q4: What pipe size should I choose?
DN15, DN20, or DN25 should be selected according to pipe design, system flow rate, and project drawings. Oversized valves may reduce control accuracy, while undersized valves may limit water flow.
Q5: What medium and pressure conditions are suitable?
This electric motorized valve is designed for cold water and hot water in standard HVAC systems. It should not be used for steam, corrosive media, or pressure conditions beyond the rated limits.
Q6: Can the connection standard be customized?
The standard connection is BSP thread. NPT connection can be discussed for custom projects depending on order quantity and detailed requirements.
Q7: What is the MOQ and do you support samples?
We support sample orders for testing. The typical MOQ is 100 units, but it can be discussed depending on project requirements.
Q8: How can we place an order?
Please share your requirements with us first. We will provide a PI for confirmation. Payment options include TT, PayPal, and Visa, with EXW, FOB, or DAP terms available by discussion.
Q9: What is the lead time?
Standard samples can be shipped within 7 days. Custom orders usually take 3–5 weeks depending on details. A batch of 100 units typically takes about one month.
Q10: What shipping methods are available?
Courier delivery usually takes around 7 days. Air freight is similar, while sea shipping takes about one month or longer depending on destination.
Need Help Choosing the Right Model?
If you are not sure which electric motorized valve suits your project, please feel free to get in touch with us. We can help check valve type, pipe size, actuator voltage, connection standard, and OEM details before order confirmation.
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The HTW-V71 electric motorized valve is built for practical hydronic HVAC water control. It is most suitable for projects that need stable on/off control, clear 2-way or 3-way selection, standard BSP connection, and reliable actuator operation in FCU, AHU, or zone control systems.For OEM buyers, distributors, contractors, and HVAC system integrators, the best next step is to confirm pipe size, voltage, valve structure, water medium, pressure condition, and customization needs before ordering. This helps reduce selection mistakes and improves project delivery reliability.
