Yongda
Yongda
As Ireland aggressively pursues its Climate Action Plan target to retrofit over 500,000 homes to B2 BER standards and install 400,000 heat pumps by 2030, the demand for high-efficiency zone control systems has soared.
Hydronic heating systems, powered by modern air-to-water heat pumps, rely fundamentally on the precise modulation of water temperatures. Smart thermostats, multi-zone wiring centers (hubs), and high-performance electrothermal actuators are the vital links ensuring that energy distribution matches occupancy needs. By converting static heating circuits into dynamic, intelligent networks, our systems directly lower heat loss, maximize heat pump Coefficient of Performance (COP), and guarantee strict compliance with Irish Building Regulations Part L.
Optimized for Irish zoning requirements, multi-floor plans, and integration with modern air-to-water heat pump protocols.
From pharmaceutical cleanrooms to Dublin’s hyper-scale data centers: custom thermal actuator solutions built for operational resilience.
Ireland represents one of Europe's most unique energy landscapes. With Dublin hosting the continent's densest concentration of technology hubs, district heating networks, and commercial office spaces, strict thermal control is non-negotiable. Building services engineers require ruggedized valves and fast-acting actuators to handle the constant, low-delta-T flows typical in modern commercial buildings.
Furthermore, industrial plants, especially in Ireland’s highly active pharmaceutical and biotechnology sectors, mandate HVAC systems that deliver extremely stable environmental parameters. In these fields, deviation of even 0.5°C can compromise multi-million euro batches of product. The deployment of high-torque, waterproof electrothermal actuators integrated with central Building Management Systems (BMS) ensures consistent control parameters and helps maintain system stability under varying load conditions.
Our manufacturing processes address these strict environments. By fabricating components from robust, dezincification-resistant (DZR) lead-free brass and optimizing thermal expansion elements within our wax motors, our actuators deliver reliable operation over hundreds of thousands of cycles. This reliability directly matches the expectations of European engineering firms looking to lower lifetime maintenance costs and prevent costly system downtime.
Delivering HVAC valves, fittings, and thermal actuators to global markets since 1996.
Established in 1996 in Yuhuan, Zhejiang—known globally as the "China Valve Capital"—we have spent nearly three decades refining the engineering and production of premium plumbing, hydronic, and HVAC components. Spanning a factory footprint of 45,000 square meters (with a total usable floor area of 80,000 square meters), our plant hosts over 600 sets of advanced manufacturing and testing equipment.
Under our dedicated brand, Cokaren, we pledge a simple promise: "Keep flowing, keep warming". By focusing on refined designs, lead-free environmental compliance, and precise manufacturing tolerances, Cokaren works as a reliable OEM/ODM partner for European and North American distributors, mechanical wholesalers, and HVAC system integrators.
Our products span three core segments: environmental brass valves, pipe fittings, and smart HVAC control components (specifically underfloor heating manifolds, thermal actuators, and room controllers). With direct exports to over 20 countries, our systems manage thermal comfort in residential and commercial buildings worldwide.
From water inlet to smart room zoning—how our valves, manifolds, and actuators function together.
Protects system components by filtering out up to 98% of particulates and debris within the pipeline.
Spherical spool configuration built for regulating inflow and outflow lines in boiler systems.
Safely exhausts trapped air pockets in heat pump circuits to maintain energy transfer rates.
Blends high-temp supply with return flows to safeguard sensitive underfloor heating loops.
Coordinates multiple zoning devices to maintain target comfort levels across building sectors.
Precision flow-balancing headers engineered to distribute low-temp warm water to individual zones.
Fully compliant with EU standard M30x1.5 connection threads. Built for durability, thermal responsiveness, and long service life.
Designing heating systems that align with NSAI, CE, Part L, and DEAP modeling requirements.
In Ireland, heating design is modeled using the Dwelling Energy Assessment Procedure (DEAP) to verify compliance with Building Regulations Part L. To maximize efficiency under DEAP, heating systems should be split into distinct control zones. Our Multi-Zone wiring centers allow contractors to establish independent temperature programs for living and sleeping spaces, supporting energy compliance requirements.
When pairing hydronic loops with air-to-water heat pumps, managing cycle times is critical. Rapid cycling can reduce compressor life and degrade overall system efficiency. Our thermal actuators feature controlled opening and closing periods (typically 3–5 minutes). This prevents sudden hydraulic shifts, allowing heat pump variable-speed circulating pumps to adjust flow rates smoothly and maintain steady condensing temperatures.
Compliance is the baseline of our production facility. All products destined for the Irish and wider European market carry full CE Certification. From electromagnetic compatibility (EMC) testing for room thermostats to high-pressure burst testing for brass manifolds and check valves, our quality control team checks every batch. This commitment to compliance helps engineers, contractors, and merchants specify Cokaren hardware with confidence.
| Operating Voltage | 230V AC or 24V AC/DC (50/60Hz) |
| Thread Connection | M30 x 1.5 mm (Standard EU Fitting) |
| Power Consumption | 1.8W to 2.0W (Energy Efficient) |
| Stroke Depth | 3.0 mm to 4.5 mm |
| Waterproof Rating | IP54 (EN 60529 Compliant) |
| Opening/Closing Time | Approx. 180 seconds (Slow Close) |
| Working Temp Limits | 0°C to 60°C Ambient Range |
Designing components that support next-generation building networks, smart grid integration, and remote management protocols.
Our product team is integrating Matter-over-Thread hardware platforms into our smart thermostats. This will enable direct connection to popular smart home ecosystems without requiring dedicated proprietary gateways.
Working alongside utility providers, our next-generation wiring centers can receive peak electricity price warnings, temporarily shutting down UFH thermal valves during peak demand windows to reduce overall operating costs.
Moving beyond basic ON/OFF thermal regulation, we are developing a line of 0-10V analog thermal actuators. These support fine-tuned, proportional flow adjustment to help maintain steady temperatures in hydronic loops.
Common technical questions regarding our hydronic heating components, commissioning, and system compatibility.
Providing OEM/ODM solutions to distributors, contractors, and mechanical engineering groups throughout Ireland. Reach out today for pricing, technical sheets, or custom volume manufacturing queries.
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