Yongda Yongda

CE Certified Ball Valve & Piping Solutions

Premium OEM/ODM Manufacturing & Global Export Compliance

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E-E-A-T Authority: Yuhuan Yongda Fluid Control Co., Ltd.

Founded in 1996 in Yuhuan, Zhejiang—widely recognized as the "China Valve Capital"—Yuhuan Yongda Fluid Control Co., Ltd. (formerly Yuhuan Yongda Plumbing Co., Ltd.) has spent nearly three decades establishing itself as a pinnacle of precision engineering and fluid control management. Our enterprise merges research, development, state-of-the-art testing, and multi-market compliance into a centralized manufacturing pipeline.

We specialize in three strategic industrial portfolios: brass valves, high-grade fittings, and complex HVAC system components. Geared primarily towards mid-to-high-end global markets, our processes emphasize environmental safety, heavy metal reduction (lead-free brass), and supreme structural longevity. This dedication has established our footprint in North America, Western Europe, and key developed markets worldwide.

Under our flagship brand Cokaren, we maintain a dedicated design vision: "keep flowing, keep warming". Our mission centers on introducing aesthetic refinement and zero-tolerance leak proofing to domestic, commercial, and industrial HVAC fluid systems.

Yuhuan Yongda Manufacturing Facility Area

1996

Established Year

80,000㎡

Total Usable Area

600+

Advanced Production Machines

20+

Exporting Destinations

Certifications, Metallurgy & Structural Verification

Quality at Yongda is not a passive checkpoint; it is a rigid, documentable system of engineering excellence. Our operations comply with ISO 9001:2015 (Quality Management), ISO 14001:2015 (Environmental Stewardship), and ISO 45001:2018 (Occupational Health & Safety). Every ball valve product carries full CE compliance documentation, validating safety under the EU Pressure Equipment Directive.

Our quality philosophy is straightforward: "Fine work, no leakage." By integrating spectral analysis directly at the forging stage, we monitor chemical formulations (such as CW617N, DZR, or low-lead brass variations) to prevent premature corrosion, dezincification, and fatigue stress failures in the field.

Certified Brass Valve Production Quality Check

High-Efficiency Energy Distribution Systems

An integrated overview of Cokaren's premium residential and commercial fluid control architecture.

Y9021 Water Filter

Y9021 Water Filter

First line of defense in domestic water sanitation, filtering out 98% of pipeline impurities.

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Boiler Angel Valve Y5001/Y5002

Boiler Angel Valve

Designed with a spherical spool to control the flow of hot and cold water in boiler units.

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Y9070 Venting Valve

Y9070 Venting Valve

Discharges trapped air pockets in heat pump units to maintain system pressure and efficiency.

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Y5020 Mixing Shunt

Y5020 Mixing Shunt

Optimizes plumbing networks by stabilizing supply temperatures through cold and hot water mixing.

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Y9031 Smart Thermostat

Y9031 Smart Thermostat

Integrates with manifold systems to regulate individual room temperatures dynamically.

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Y2010/Y6012 HVAC Valve

Y2010/Y6012 HVAC Valve

Maintains hydronic balance, measures pressure differential, and filters pipeline scale.

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Y1001 Manifold

Y1001 Manifold

Distributes flow pathways across hydronic heating zones to ensure uniform radiant heating.

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Energy Distribution System Hub

Distribution System Hub

Connects filtration, balancing, and intelligent actuation for efficient energy transmission.

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1. Ball Valve Piping Technology Roadmap & Future Outlook

The global piping infrastructure is undergoing a significant transition driven by regulatory updates and a focus on carbon neutrality. The industry is moving away from traditional high-lead brass compositions and toward dezincification-resistant (DZR), ultra-low-lead, and silicon-brass alloys. Our engineering roadmap addresses these changes by integrating lead-free technologies across our entire production line. This ensures compliance with EU drinking water directives and NSF/ANSI 372 standards in North America.

Additionally, the rise of the Internet of Things (IoT) has accelerated the demand for intelligent fluid control systems. We are combining smart actuator interfaces with our mechanical valves to enable real-time flow diagnostics, pressure drop analysis, and automatic leak shut-offs. The modern ball valve is transitioning from a basic mechanical shut-off component into an active, data-providing point within high-performance heating and cooling systems.

Smart Valve Actuation

Direct mounting pads (ISO 5211) compatible with brushless DC and step-actuators for modbus-controlled flow regulation.

Low-Emission Metallurgy

Transition to CW625N and lead-free Eco-Brass alloys containing less than 0.1% lead, preventing environmental contamination.

Optimized Internal Geometries

Precision-milled full bore pathways designed to reduce drag, lower pressure drop parameters, and save pump electricity.

2. Macro Industry Solutions: Heating, Plumbing & HVAC

Modern building projects require unified fluid control systems rather than separate, individual parts. High-performance HVAC configurations, underfloor hydronic grids, and district energy plants face complex operating challenges. These systems must contend with pressure variations, oxygen penetration, mineral scaling, and galvanic corrosion.

Yongda develops comprehensive macro systems that address these challenges. Our manifolds, mixing shunts, venting devices, and filter ball valves work together to protect heating loops, boilers, and pumps from early mechanical wear. Our systems ensure long-term thermal balance and stable flow, helping buildings maintain high energy efficiency.

Application Sector Critical Engineering Challenge Yongda Dynamic Solution Key Performance Indicator (KPI)
Hydronic Radiant Heating Uneven loop resistance causing hot/cold spots. Y1001 Manifold with integrated flow meters and mixing shunts. Balanced thermodynamic distribution across all zones.
Potable Water Supply Heavy metal leaching and localized dezincification. CW617N / DZR Lead-Free Brass Ball Valves. Full compliance with EN 13828 and European drinking standards.
High-Temperature Boiler Loops Cavitation, high thermal shock, and mineral scaling. Boiler Angel Valve Y5001 with high-temp PTFE packing seals. Reliable seal integrity over 50,000 thermal cycles.
Commercial HVAC Filtration Iron oxide and particulate buildup damaging pumps. Y-Strainer combination ball valves with 40-mesh stainless screens. Filters out 98% of pipeline particulates down to 350 microns.

3. Localization Support, Compliance & Quality Assurance

Navigating local regulations is a major challenge for global distributors and engineering firms. A brass valve certified for use in one region might fail testing requirements in another due to variations in lead limit thresholds, thread configurations, or certification structures.

Yongda solves this through localized compliance engineering. We customize thread formats (including BSP, BSPT, and NPT) and adapt brass chemistry to match local regional codes. Whether you need CE marking for the European Economic Area, WRAS approval for the United Kingdom, or CSA/UL listings for North America, our technical team provides the required documentation, material trace reports, and stress test certificates.

European Standards (EN)

CE compliant valves manufactured to EN 13828 specifications, using EN 12165 grade forgings for consistent metal density.

North American Standards (ANSI/ASME)

Lead-free components designed to meet NSF/ANSI 61/372 limits, featuring NPT threaded connections and sweat joints.

Custom OEM Labeling

Laser marking, localized barcode integration, and eco-friendly packaging designed to meet regional distribution needs.

4. China Factory 4.0: Supply Chain Resilience & Manufacturing Capacity

With over 45,000 square meters of production space (and 80,000 square meters of usable area), our facility uses automated, high-precision equipment to maintain consistent quality at scale. We operate more than 600 sets of advanced production and testing machinery, including 80+ specialized machine tools that handle high-volume runs with close tolerances.

This scale ensures supply chain resilience. By managing forging, machining, assembly, pressure testing, and packaging under one roof, we reduce reliance on external suppliers. This vertical integration helps shield our international partners from supply disruptions, delays, and unexpected cost increases.

Advanced Yongda Fluid Control Testing Laboratory

5. Meeting Global Procurement Needs: Logistics, MOQ & Lead Times

For sourcing departments and wholesale distributors, buying industrial valves involves managing complex shipping details, minimum order quantities (MOQs), and delivery times. A delay in delivery or a sudden product failure can disrupt large-scale construction schedules or affect distributor inventory levels.

Yongda uses structured enterprise shipping protocols to streamline global logistics. We offer flexible MOQ frameworks tailored to regional demands, along with real-time manufacturing tracking and automated export customs documentation. Our proximity to major shipping ports in Ningbo and Shanghai helps optimize ocean freight costs and transit times, ensuring reliable, on-schedule deliveries to our international partners.

Technical Q&A / Frequently Asked Questions

What makes Yongda's CE certified ball valves reliable under high pressure?
Our valves are manufactured using hot-forged brass body constructions that eliminate casting porosity. We employ dual PTFE packing rings and a blow-out proof stem design that safely handles pressure spikes up to PN25. Every valve is subjected to hydrostatic and pneumatic leak testing before packaging.
Which brass grades are available for European and North American projects?
We manufacture using CW617N and CW614N copper alloys according to European standard EN 12165. For markets with strict low-lead guidelines, we offer DZR (Dezincification Resistant) brass and Eco-Brass alloys that conform to the NSF/ANSI 372 lead content standard of less than 0.25%.
How does the company handle custom OEM/ODM specifications?
We provide comprehensive OEM/ODM services backed by our in-house engineering and mold design capabilities. We can customize valve bodies, handle shapes, connection types (threaded, solder, compression, or press-fit), and produce custom laser-etched branding and packaging.
What are your standard lead times and shipping capabilities?
Our typical lead time for standard orders ranges from 30 to 45 days, depending on order size and custom requirements. Based in Yuhuan, we have direct transport access to Ningbo and Shanghai ports, enabling efficient ocean, air, or rail freight shipping.

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