Yongda
Yongda
Direct from factory sourcing solutions featuring certified brass hardware, check systems, and connection interfaces for HVAC and water distribution systems.
A comprehensive breakdown of our manufacturing strength, engineering assets, and global footprint.
In the industrial fluid control ecosystem, a full-way valve (often structurally aligned with full-port ball valves, gate valves, or direct-path manifolds) represents the pinnacle of operational efficiency. Unlike standard port designs where internal diameters contract, a full-way valve features a bore size equal to the inside diameter of the adjoining pipework. This design eliminates contraction bottlenecks, dramatically optimizing the system's overall performance.
The fundamental indicator of full-way superiority is the flow coefficient ($C_v$), representing the rate of water flow in gallons per minute at 60°F with a pressure drop of 1 psi across the valve. The $C_v$ of a full-way valve is substantially higher than that of standard-port alternatives.
| Parameter | Full-Way (Full Bore) Valve | Standard / Reduced Bore Valve | Impact on Systems |
|---|---|---|---|
| Internal Diameter (ID) | Equals pipe inside diameter | Usually 1-2 steps smaller than pipe ID | Direct flow velocity and throughput volume |
| Pressure Drop ($\Delta P$) | Negligible | Moderate to High | Energy requirements of circulation pumps |
| Flow Pattern | Laminar | Turbulent | Wear and tear rate of gaskets and seals |
| Abrasive Fluid Life | Extended (No sharp edges) | Rapid wear at seat throat | Maintenance cycles and plant downtime |
Established in 1996 in Yuhuan, Zhejiang—widely recognized as the "China Valve Capital"—Yuhuan Yongda Fluid Control Co., Ltd. has developed into a premier manufacturer of plumbing valves. The company oversees every phase of the lifecycle, from design and engineering to product formulation, testing, and distribution.
With a factory physical footprint extending over 45,000 square meters and an actual usable operations area reaching 80,000 square meters, our facility houses more than 600 sets of advanced production and testing apparatus, including 80+ specialized heavy-duty machine tools.
Cokaren represents our dedicated high-end brand, focusing on refined design and superior material selection. Tailored for discerning clients, Cokaren specializes in premium systems for domestic hot water networks, floor heating manifolds, and municipal control stations.
Under the quality policy of "fine work, no leakage," Cokaren products are designed for durability, reliability, and modern aesthetic integration. Our strategy is built on long-term performance, striving to deliver zero-defect systems for homes and industries worldwide.
Navigating the global fluid dynamics procurement market requires a balance of metallurgical quality, custom machining capabilities, and cost efficiency. The cluster of manufacturers in Yuhuan, Zhejiang provides a specialized production ecosystem that offers distinct advantages for international buyers:
Standardized raw materials (e.g., CW617N, DZR lead-free brass) are processed under strict control to prevent stress corrosion cracking (SCC) and dezincification over decades of exposure.
From forging press setups to multi-axis CNC machines and automated optical leak-detection rigs, Yuhuan factories support high-volume production with reliable part-to-part consistency.
Designs are engineered to meet specific regional requirements, including European CE standards, ISO regulations, and North American plumbing configurations.
Modern sourcing demands more than just shipping a box of brass components. Engineering and procurement teams need dedicated technical support to verify that products perform as expected in the field:
The fluid control industry is adapting to two major trends: environmental safety and smart building integration. Lead-free brass formulations are becoming the standard for potable water lines, while smart thermostats and motorized valves are increasingly used to optimize energy consumption in HVAC systems.
Exploring practical applications for underfloor heating, boiler systems, and water filtration networks.
Designed as the primary defense for domestic water entry points, this pre-filtration unit helps protect down-line valves and instruments by capturing up to 98% of line sediment.
Designed to regulate water entry and exit paths in boiler loops, utilizing a spherical brass spool structure to ensure minimal friction and reliable operation.
Maintains safe outlet temperatures by blending hot and cold fluid inputs, helping protect system pipework from extreme thermal fluctuations.
Our operations are guided by the values of Struggle, Enterprising, Pragmatic, and Innovative. We prioritize a customer-first, quality-driven approach across all production stages.
"Fine work, no leakage." Every valve undergoes pressure tests to confirm sealing integrity before packaging.
We strive to support our team's professional development while aligning business growth with the well-being of our employees.
Get expert answers to common questions about sourcing full-way valves, material specifications, and engineering compliance.
A selection of premium brass pipe fittings, automatic air vents, and smart thermal control systems.
