Yongda
Yongda
Exemplifying European & North American quality benchmarks in structural integrity and metallurgy.
Cost-efficient design with bi-directional shutoff, tailored for plumbing networks.
High-elasticity bellow structures designed for severe temperature fluctuations.
Polished stop valves with complete CE compliance for architectural installation.
Smart digital climate interface optimizing hydronic terminal system performance.
High-toughness sliding fittings designed for reliable, leak-proof PEX junctions.
Precision compression fittings ensuring quick installation and joint resilience.
Flexible heating pipes offering high thermal conductivity and burst resistance.
Multi-turn mechanisms designed for responsive control and minimal fluid turbulence.
Modern engineering sectors demand absolute precision. The evolution of Gate Wedge Valves is defined by advancements in metallurgy, smart system integration, and environmental sustainability. Globally, industries are moving away from traditional brass alloys toward lead-free, DZR (Dezincification Resistant) materials. This ensures compliance with tight municipal water directives, including EU RoHS and NSF/ANSI 372 standards.
At the same time, mechanical design is shifting toward low-friction wedges. By incorporating self-cleaning double-wedge configurations, manufacturers are drastically reducing operating torque while extending structural life. In massive industrial HVAC, district heating, and municipal pipeline systems, valves now act as data points. Modern engineering requires compatibility with automated actuators and pressure-monitoring sensors, ensuring high efficiency across large hydronic networks.
Global procurement teams face complex supply chain dynamics. Beyond direct material costs, buyers must manage total cost of ownership (TCO) variables, including quality assurance, geopolitical tariffs, shipping times, and compliance tracking. Selecting raw materials is critical; low-grade alloys can lead to stress corrosion cracking and early valve failure under thermal stress.
Our strategic approach relies on complete traceability. Every casting and extrusion batch is subjected to spectral analysis. Partnering with a specialized exporter ensures that documentation, such as material test reports (EN 10204 3.1) and pressure test validations, is built into every project. With this transparent workflow, regional projects across North America and Europe can keep schedule risks to a minimum while meeting stringent environmental standards.
Yuhuan, Zhejiang—known as the "China Valve Capital"—serves as the epicenter of flow control manufacturing. By combining local industrial scale with Factory 4.0 automation, Yuhuan Yongda Fluid Control Co., Ltd. delivers high efficiency and component consistency. The company maintains an expansive 45,000-square-meter facility, with an actual usable floor area reaching 80,000 square meters.
Equipped with over 600 sets of advanced production and testing apparatus, including 80+ dedicated multi-axis CNC machine tools, our production floor combines high speed with micro-level precision. This high-precision infrastructure helps eliminate human error. Raw forging, automated machining, multi-stage pressure testing, and packaging are integrated into a single, continuous workflow. This structural setup enables high agility, helping global distributors respond rapidly to changing market demands.
Founded in 1996, Yuhuan Yongda Fluid Control Co., Ltd. (formerly Yuhuan Yongda Plumbing Co., Ltd.) has grown from a local manufacturer into a globally recognized exporter of plumbing valves. The company organizes its product lines into three key groups: brass valves, fittings, and HVAC systems. Positioned in the mid-to-high-grade segments, our products prioritize environmental safety and durability, earning high trust across North America, Europe, and Asia.
To serve changing industrial markets, Yongda launched the Cokaren brand. Driven by the philosophy "keep flowing, keep warming," Cokaren focuses on refined engineering and advanced product designs. This brand division is dedicated to creating high-efficiency HVAC and hydronic distribution accessories, offering global system integrators the reliable components needed for residential, commercial, and industrial projects.
How Yongda delivers information gain, operational transparency, and quality control.
Certified under ISO 9001:2015 (Quality), ISO 14001:2015 (Environment), and ISO 45001:2018 (Occupational Health), ensuring standardized procedures across our entire manufacturing workflow.
"Fine work, no leakage" is our core quality mandate. Every valve undergoes hydrostatic and pneumatic pressure testing at multiple stages before final packing.
Complete control over the extrusion alloy ratio. We produce premium CW617N, DZR, and low-lead brass varieties optimized for extreme stress environments.
Original components designed for domestic sanitation and hydronic temperature regulation.
Highly integrated water and thermal distribution components manufactured under strict quality standards. Click to view detailed technical specifications.
Protects piping loops against sudden hydraulic pressure surges.
Maintains dynamic system balance under variable flow rates.
Automatic micro-bubble extraction for hydronic heating networks.
Ensures smooth pressure regulation and balanced heat distribution.
Backflow preventers safeguarding municipal water mains.
Protects secondary equipment from rust flakes and particulate damage.
High-integrity couplings for simplified mechanical installation.
Precision-threaded 90-degree components designed for heavy-duty plumbing.
Ergonomic valve control interfaces built for heavy manual cycling.
Explore our specialized valve types, HVAC mixing stations, and PE/PEX compression accessories.
Compact shut-off design featuring an integrated stainless steel screen.
Manual control valves built for reliable radiant heat regulation.
Maintains target delivery temperatures using reliable mechanical thermostatic control.
Multi-port distribution hubs optimized for high-efficiency underfloor heating loops.
Outdoor brass faucets designed to resist frost and thread wear.
Heavy-duty wedge gate valves designed for reliable isolation in water distribution loops.
Durable, straight brass connections designed for utility metering installations.
Hose barb adapters manufactured to American dimensional and thread standards.
Addressing technical concerns, metallurgical details, and procurement inquiries.
Unlike globe or check valves, gate wedge valves feature a flat or tapered wedge-shaped gate that slides vertically into the fluid stream. When fully closed, the wedge seals against matched seats on both the upstream and downstream sides. This symmetrical wedge orientation allows the valve to seal against backpressure in both directions, making it ideal for clean fluid systems requiring bi-directional shutoff.
Dezincification can weaken standard brass alloys in aggressive or chlorinated water. Yongda addresses this by producing CW602N (DZR) and low-lead brass alloys with precise additions of alloying elements like arsenic. This helps stabilize the alpha phase in the brass structure, maintaining mechanical strength and prevention of zinc leaching over long service periods.
Our production lines maintain ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 certifications. Additionally, our key products hold CE compliance certificates for European distribution, and we supply lead-free brass alloys suited to the drinking water regulations of North America.
Standard orders generally ship within 30 to 45 days. For custom OEM or ODM engineering projects—including custom casting design, mold creation, and initial prototype validation—lead times typically range from 60 to 75 days, depending on project complexity.
Cokaren is our dedicated premium brand, focusing on high-efficiency HVAC and hydronic distribution systems. Its product line features thermostatic mixing valves, high-zone manifolds, and smart temperature controllers, engineered to optimize energy efficiency in residential heating networks.
High-performance flow-control components engineered for underfloor heating, boilers, and domestic utility manifolds.
Compact design optimized for confined installation areas and instrumentation lines.
Equipped with color-coded handles for quick classification of supply and return runs.
Maintains optimal circulation temperatures in low-temp floor heating networks.
Features integrated union nuts for simplified installation and inline maintenance.
Global shipping service for multi-turn globe-style isolation valves.
Features integrated flow meters to simplify balancing across multiple heating zones.
A heavy-duty compression stop valve designed for reliable, long-term flow regulation.
Heavy-walled brass construction, built for outdoor utility applications.
