The fan coil unit listed here carries power supply 24VAC/DC, model number WVA4-304+WCBS220, documented exactly as the manufacturer publishes it. Made by Winner Ball Valves Company Limited (15 years on the platform, typical reply ≤1h). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Fan Coil Unit
- Model Number: WVA4-304+WCBS220
- Power: Other
- Power Supply: 24VAC/DC
- Warranty: 12 months
- Place Of Origin: Hunan, China
- Application: General
Technical Specifications
| Media | Water |
|---|---|
| Power | Other |
| Port Size | DN20 |
| Application | General |
| Temperature Of Media | Medium Temperature |
| Structure | Ball |
| Customized Support | OEM, ODM |
| Warranty | 12 months |
| Place Of Origin | Hunan, China |
| Model Number | WVA4-304+WCBS220 |
| Brand Name | WINNER |
| Product Name | Modulating With Positioner Modualting Control Valve |
| Power Supply | 24VAC/DC |
| Flow Characteristic | equal percentage |
| Protect Rank | IP54 |
| Valve Size | DN20 |
| Pipe Connector | internal thread |
| Rated Pressure | PN20 |
| Temperature Of Medium | 2°C…90°C |
| Color | various |
| Input Signal: | 0-10V |
| Selling Units | Single item |
| Single Package Size | XX cm |
| Single Gross Weight | 0.0 kg |
Product Details
Description
Winner control ball valve consists of WVA4-… series rotary actuator and WCBS… series ball valve. Equal percentage flow characteristic guarantees the valve performances of stability.
Application
Control ball valves are widely used in HVAC system, heating system, water treatment equipment, and water running control in industrial automation, such as: AHU, flesh air-handling unit, differential pressure control unit and heat exchanger for flow regulation and on/off control.
Operational mode
Winner control ball valve is motor-operated by a type of WVA4-3… actuator. The actuator is controlled by a modulating on/off , 3-point or proportional control system and move the ball of the valve, to the opening position dictated by the control signal.
Valve body:
Medium: cold/hot water, with 50% glycol Temperature of medium: 2°C…90°C
Rated pressure: PN20 Pipe connector: internal thread
Ambient temp. range: −5…+60°C;0…90%RH
Flow characteristic: equal percentage, on/off
Material
Valve body: forged brass, Hpb59-1 Seal: ball: EPDM+PTFE
Ball: stainless steel brass Stem: EPDM
Valve connector: PC Valve spindle: aluminum alloy
| Model No. | DN(mm) | Inch | Kvs(m3/h) | Pvmax (MPa) | Ps (KPa) |
| WCBS215 | DN15 | 1/2” | 6.3 | 2.5Mpa | 1400 |
| WCBS220 | DN20 | 3/4’’ | 6.3 | 2.5Mpa | 1400 |
| WCBS225 | DN25 | 1” | 10 | 2.5Mpa | 1400 |
| Model No. | Voltage | Actuator type | torque | Consumption | Valve body |
| WVA4-304 | 24VAC/DC | 0-10V/4-20mA | 4N.m | 6VA | DN25,DN20,DN15 |
 | WRA-53 Series | 220v ON/OFF, 3-Point |
| WRA-63 Series | 220V/110V/24V ON/OFF, 3-Point | |
| WVA4-.. Series | 220V/24V ON/OFF, Proportional | |
| WRA3-.. AC Series | 220V/110V/24V ON/OFF, 3-Point | |
| WRA-42 DC Series | 24V/12V/3V ON/OFF, 3-Point | |
| WRA3-.. DC Series | 24V/12V/3V, ON/OFF, Proportional |
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Ordering and Pricing
- Minimum order quantity: 100 set
- Volume pricing:
- 100–499 set: US $108.77 / set
- 500+ set: US $90.64 / set
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this fan coil unit?
The standard minimum order quantity is 100 set. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 12 months warranty. Spare parts and technical support remain available after the warranty period.
Can the fan coil unit be supplied for my local voltage?
The standard configuration is 24VAC/DC. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Winner Ball Valves Company Limited, based in China. The company 15 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Winner Ball Valves Company Limited range on HVACR Nexus.
See more in Speed Controllers & Regulators on HVACR Nexus.
