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This motorized valve is a plastic-bodied actuator designed for precise flow control in fan coil unit water circuits. It operates on 24V AC or DC power and integrates with building automation systems via open or closed-loop signals. The valve body is injection-molded from reinforced polypropylene to resist corrosion and thermal cycling. It is engineered for direct mounting on standard 1/2 inch to 1 inch copper or PEX piping.
The actuator uses a brushless DC motor with a torque output typical of commercial HVAC valves, allowing smooth modulation between 0% and 100% flow. The plastic housing is rated for continuous operation up to 80°C and withstands water pressure up to 16 bar. Unlike metal valves, this design avoids galvanic corrosion in mixed-metal hydronic systems. The valve is not rated for steam or high-pressure boiler circuits.
It is commonly sourced by HVAC system integrators in Southeast Asia, the Middle East, and Eastern Europe for retrofit projects and new commercial buildings. Buyers typically order in quantities of 100 to 1,000 units, with packaging in bulk trays or cartons. Lead times vary based on motor configuration and control signal type. Trade terms are FOB Taipei or CIF upon request. The product is not certified for potable water systems.
| Valve Body Material | Reinforced polypropylene |
| Actuator Type | Brushless DC motor |
| Operating Voltage | 24V AC or DC |
| Maximum Operating Pressure | 16 bar |
| Maximum Fluid Temperature | 80°C |
| Typical Flow Range | Standard for 1/2 inch to 1 inch pipe connections, flow coefficient Cv 1.8 to 3.2 |
| Typical Response Time | Standard 15 to 30 seconds from 0% to 100% stroke, typical for plastic-body motorized valves |
| Control Signal | 0-10V DC or 2-10V DC, compatible with most BMS protocols |
| IP Rating | IP54 for dust and splash resistance |
| Typical Service Life | Over 100,000 cycles under normal load, standard for industrial-grade plastic actuators |
Taiwan Johnwell Ent. Co., Ltd. is a manufacturer located in Taichung, Taiwan, with a registered facility at No.57, Alley 64, Lane 140 Dung Shan Road. The company specializes in HVAC control components, including motorized valves, thermostats, and dampers. The supplier is classified as imported and harbor-tier, indicating verified manufacturing capacity. No company history, employee count, or export volume is disclosed in the listing.
The product listing does not state certifications, production volume, or client references. While it mentions ISO and CE compliance, no certificate numbers or test reports are provided. Buyers should request documentation directly. The company’s focus appears to be on cost-effective, high-volume production for regional HVAC markets, with no indication of R&D or custom design services.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | Contact Supplier |
| Response Rate | New Supplier |
Before ordering, confirm the valve’s voltage, signal type, and pipe connection size match your system. Request a dimensional drawing to verify mounting compatibility. Verify that the actuator’s torque rating meets your system’s pressure differential. Do not assume standardization - many fan coil units use proprietary valve interfaces.
Lead time is typically 20 to 30 days from Taiwan. Shipping terms are commonly FOB Taipei, but CIF options are available. Payment is usually 30% advance, 70% against BL copy. Packaging is in anti-static trays with foam inserts. Confirm whether the valve includes terminal blocks or requires separate wiring. Export documentation must include a non-potable water declaration.
Upon receipt, inspect for actuator binding, cracked housing, or damaged wiring. Test the valve with a 24V power source and control signal before installation. Record the batch number for traceability. For large orders, request a sample test report showing flow curve and torque response. Retain packaging for warranty claims.
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