Yongda
Yongda
Explore our primary plumbing products and active flow elements engineered to international performance standards.
Navigating dynamic flow mechanics, environmental imperatives, and smart building integration.
Modern commercial fluid control systems place unprecedented demands on metallurgy. Moving beyond baseline chemical composition, leading European and American standards mandate lead-free brass formulations (such as CW617N, DZR, or Eco-Brass) to eliminate heavy-metal leaching in domestic water infrastructure. The global market requires precise compliance with drinking water regulations like NSF/ANSI 61, RoHS, and local European bylaws.
Decentralized energy distribution requires actuators and smart manifolds that respond in real-time to thermal variations. Integrated zoning valves combined with high-precision electric actuators represent the vanguard of sustainable commercial HVAC designs. Dynamic balancing valves and smart thermostatic shunts prevent system energy loss, reducing structural greenhouse signatures in carbon-restricted regions.
Global procurement teams favor vertical manufacturers equipped to handle internal design, hot forging, high-precision machining, and structural certification under a single roof. With international delivery lanes facing constant pressure, sourcing from manufacturers with certified ISO-standard management and CE declarations ensures that products enter key economic zones smoothly and perform reliably.
SEO Value Insights: Search intent around "CE Certified Bearing Valves" has pivoted from purely dimensional parameters to dynamic material verification and system compatibility. Engineering teams search for products capable of integrating with smart BMS (Building Management Systems) while meeting rigorous European directives (Pressure Equipment Directive 2014/68/EU).
Pioneering industrial precision and fluid engineering since 1996.
Founded in 1996 in the world-renowned "China valve capital" – Yuhuan, Zhejiang, Yuhuan Yongda Fluid Control Co., Ltd. (formerly Yuhuan Yongda Plumbing Co., Ltd.) has grown into an elite, vertically integrated manufacturer. We focus on product design, material development, automated forging, precision CNC machining, and comprehensive sales distribution across key international markets.
Our expansive product portfolio spans three core divisions: high-grade brass valves, performance-engineered fittings, and sophisticated HVAC distribution systems. Positioned in the middle and high-grade bracket, our products highlight environmental durability, precise tolerances, and energy efficiency. They are widely specified by engineering firms and consumers in North America, Northern Europe, and beyond.
How Yuhuan Yongda translates industrial density and technological integration into unmatched supply reliability.
Yuhuan, Zhejiang accounts for a significant portion of global brass valve exports. This regional concentration creates an unparalleled ecosystem of metallurgy research, tooling design, component finishing, and shipping logistics. Yongda capitalizes on this industrial cluster to maintain lean supply loops and robust cost efficiencies.
With an actual usable floor area reaching 80,000 square meters, our facility houses over 600 sets of advanced production and testing apparatus, including 80+ specialized CNC machining centers. This high-density automation guarantees that from casting to finish-machining, component dimensions remain within tight engineering tolerances. This precision minimizes friction-induced wear in bearing valves and ensures reliable plumbing seals.
As Yongda's signature premium brand, Cokaren is committed to developing products with a more refined appearance and superior build quality to provide perfect service. Guided by our brand promise – "Keep flowing, keep warming" – we deliver water system accessories that bring comfort and reliability to residential and commercial environments. Cokaren is executing a dynamic growth strategy to become a world-class brand.
Struggle, Enterprising, Pragmatic, Innovative: We drive continuous innovation across our processes. We prioritize developing company capability and employee welfare, aligning business growth with personal happiness.
Customer First, Quality Based: Built on our core quality policy: "Fine work, no leakage." Every valve, actuator, and fitting undergoes rigorous testing to verify airtightness and mechanical durability.
To ensure compliance in global markets, our systems are certified under:
Engineered products integrated to route, balance, and control hydronic energy with minimal thermal loss.
The first line of defense in domestic water sanitation, filtering 98% of particulate impurities within the pipeline to protect downstream control valves.
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Designed to control the hot and cold water feeds in boilers, utilizing a polished spherical spool for smooth cycling and low pressure drop.
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An automatic air release valve designed to purge excess air from water heater circuits, ensuring steady flow dynamics and preventing cavitation.
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Mixes supply and return lines in underfloor hydronic arrays, stabilizing operating temperature to protect piping systems from thermal stress.
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A smart wall-mount console that coordinates manifolds, actuators, and boiler feeds to regulate multi-zone interior environments.
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Filters and discharges pipeline particulate, controls flow at the manifold intake, and monitors water pressure and system temperatures.
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Distributes flow to zone loops, featuring integrated dynamic balancing and visual indicator flowmeters for precise control.
Learn MoreHigh-reliability plumbing products and valve accessories built to withstand intensive commercial operation.
Combining isolated shut-off capability with an internal mesh screen for compact mechanical protection.
Manual and motorized thermostat valves designed for fine-tuning fluid flow rates in radiator networks.
Maintains dynamic temperature equilibrium inside hydronic floors to prevent surface hot spots.
Engineered with corrosion-resistant brass to manage water distribution across multiple home heating zones.
Heavy-duty brass outdoor taps designed to resist frost and provide high flow rates for garden and washdown applications.
Full-port linear shut-off valves designed for minimum turbulence and maximum fluid transmission in piping systems.
Machined brass fittings designed for secure installation and accurate alignment of residential water meters.
Precision-barbed connectors for tight hose routing in industrial applications, maintaining steady system pressure.
A closer look at our custom brass solutions, check valves, and air release groups.
How our components integrate into municipal, residential, and industrial plumbing networks.
Within low-temperature hydronic floor heating arrays, the distribution manifold manages loop balancing. Deploying the Y1001 Manifold in tandem with our High-Quality Electric Thermal Actuators allows building controls to cycle zones dynamically based on room-sensor demand. The Y5020 Mixing Shunt tempers return water to protect piping from thermal strain, maintaining system efficiency.
For boiler integrations, managing inflow/outflow properties is critical for safety and efficiency. The Boiler Angel Valve Y5001/Y5002 handles fluid control at the hot/cold boundary, preventing backflow and ensuring smooth cycling. The Y9070 Venting Valve vents air pockets to prevent heat locks and line cavitation, protecting the system core.
In potable water systems, component metallurgy is tightly regulated. Sourcing CW617N or equivalent lead-free brass for products like the Y9021 Water Filter and PEX Compression Fittings ensures compliance with clean water standards, keeping drinking water safe while preventing corrosion.
A strategic framework for supply chain directors to manage risk, ensure compliance, and verify performance.
Procuring industrial components like bearing valves requires balancing cost with long-term reliability. A single component failure can lead to water damage, structural repair costs, or system downtime. Industrial procurement teams manage this risk through three core strategies:
A CE mark must be supported by verifiable compliance files. For pressurized systems, components must meet the European Pressure Equipment Directive (PED). Manufacturers must provide material trace reports, pressure test certs, and certified design files. Yongda supports global compliance by maintaining clean certification records and ISO system audits.
Environmental standards restrict lead content in components contactable by drinking water. Procurement contracts require certification of materials like DZR (Dezincification Resistant) brass. Our engineering team performs spectrophotometer checks on every raw alloy batch to ensure compliance before forging.
Sourcing from manufacturers who handle the full production chain reduces lead times and improves quality control. By managing design, hot forging, precision machining, and pressure testing internally, we maintain consistent standards and reduce delivery risks for our partners.
Technical explanations and answers to common integration questions from engineering and sourcing teams.
A bearing valve uses integrated sleeve bearings or internal guides to support its internal throttling components (such as a ball or plug) under high pressure. In HVAC and municipal plumbing systems, this design ensures smooth actuation, reduces operating torque, and minimizes seal wear under continuous water-hammer or high-differential-pressure conditions.
CE certification proves that products comply with EU safety, health, and environmental rules. For plumbing and heating hardware, this means meeting the Pressure Equipment Directive (PED) and European Norm standards (like EN 12164/12165 for brass alloys). It ensures the components can handle rated pressures without structural failure.
Our factory utilizes automated CNC centers to hold machining tolerances within microns. Post-assembly, every valve is pressure-tested using pneumatic and hydrostatic methods. This 100% inspection process ensures that only fully sealed valves leave our facility, matching our quality goal of "fine work, no leakage."
Yes. Backed by our engineering department and in-house tooling center, we design and manufacture custom products to meet specialized requirements. Whether you require specific thread types (BSP, NPT), alternative alloys (CW602N, DZR, low-lead brass), or custom electrical connectors for actuators, we provide end-to-end ODM/OEM support.
Our electric thermal actuators use a specialized wax-expansion element that ensures smooth, quiet operation. Opening and closing cycle times typically range between 3 to 5 minutes depending on ambient conditions. Built for long-term duty, they are rated for over 100,000 cycles in commercial heating systems.
Review our secondary product line featuring smart controllers, specialized HVAC adapters, and multilayer PEX connections.
