Yongda
Yongda
Explore our foundational brass valves, specialized separators, and advanced HVAC components configured for North American and European standardizations.
Integrated hydraulic balance solution designed to handle fluid separation and pressure stabilization within underfloor heating loops.
Smart thermal electrothermal actuator offering highly precise motorized switching control for manifolds and district HVAC networks.
Automated electric and pneumatic brass ball valve configurations engineered for heavy-duty pipeline isolation and gas shutoff.
Robust threaded brass gate valve utilizing double-disc wedge mechanics to secure dual-direction flow isolation in plumbing lines.
Precision forged copper-alloy T-pattern fittings ensuring leakage-free structural distribution across plumbing and light-gas networks.
Industrial brass ball valves optimized for pressurized systems, gas cylinder relief loops, and micro-metering configurations.
Integrated space-saving valve combining a flow control brass ball with an easily serviceable stainless-steel particle filter screen.
Heavy-duty brass thread adaptors tailored to NPT standards, serving high-vibration applications in plumbing and gas distribution.
In gaseous hydrocarbon containment, propane and liquefied petroleum gas (LPG) demand strict material parameters. Unlike standard water-control valves, propane ball valves are engineered to withstand molecular permeability, rapid temperature drops during vapor expansion, and critical high-pressure limits.
As a global supplier founded in 1996 in Yuhuan, "China's Valve Capital", Yuhuan Yongda Fluid Control Co., Ltd. combines advanced metallurgical forging with modern automation. We deliver customized OEM valve solutions designed to eliminate fugitive gas emissions, prevent line failures, and guarantee compliant operations across domestic, commercial, and industrial gas distribution networks.
How modern engineering addresses the requirements of hazardous gas transportation through metallurgy, sealing mechanisms, and smart automation.
We use premium hot-forged brass alloys such as HPb59-1, CW617N, and lead-free dezincification-resistant (DZR) brass. Hot forging eliminates microscopic porosity, a common cause of gas pocket leaks in cast alternatives.
Equipped with dual PTFE (Teflon) seats and FKM (Viton) double O-ring stem seals, our valves maintain bubble-tight containment. The blowout-proof stem is inserted from the inside, ensuring high-pressure spikes cannot dislodge it.
Our R&D roadmap focuses on hydrogen-blend compatibility. As global energy grids transition to clean fuel mixtures, our valves are prepared for low-molecular-weight gas containment without embrittlement.
| Material Standard | Alloy Composition | Max Pressure Rating | Temperature Range | Primary Gas Application |
|---|---|---|---|---|
| CW617N (EN 12165) | CuZn40Pb2 (Low Lead European) | PN 40 (580 PSI) | -20°C to 120°C | LPG, Propane Gas Lines, Heating Water |
| HPb59-1 (GB Standard) | Cu59-1 / Pb 0.8-1.9% | PN 25 (362 PSI) | -10°C to 110°C | Compressed Air, Residential Natural Gas |
| DZR Brass (C35330) | Dezincification Resistant | PN 32 (464 PSI) | -20°C to 130°C | Corrosive Environments, Wet Gas, Utilities |
From industrial gas terminals to domestic energy distribution networks, we provide components designed to fit larger system requirements.
Our core competency spans beyond single component supply; we design and manufacture complex distribution assemblies that manage flow, reduce pressure, filter particulates, and control heating loops within municipal and residential structures.
By integrating water filtration, automatic thermodynamic controls, and specialized manifold blocks, our system solutions improve energy efficiency by up to 18% in commercial installations.
Provides critical connection interface for major heating loops.
Assists in division of gas and hydronic currents.
The first line of defense in domestic water sanitation, filtering 98% of pipeline impurities.
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Protects circulation pumps from thermal shock and static build-up.
Absorbs excess pressure spikes in closed heating systems.
Discharges excess air in heat pumps to ensure stable equipment operation.
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Permits local bleeding of air during initial installation.
Communicates directly with automated valve manifolds.
Mixes cold and hot water to stabilize pipeline temperature and protect lines.
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Integrates equipment controls to automatically regulate room temperature.
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Filters impurities, controls manifolds, and measures temperature and pressure.
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Distributes flow to various rooms and integrates with temperature control devices.
Learn More »Yuhuan Yongda Fluid Control operates a manufacturing facility with a footprint of over 45,000 square meters, expanding to an actual usable production area of 80,000 square meters.
Our facility features more than 600 sets of production and testing equipment, including 80+ specialized CNC machine tools. This precision setup allows us to forge, machine, finish, assemble, and pressure-test valves in a single location. With these capabilities, we export our products to over 20 countries, ensuring timely shipping and reliable quality control.
Operating with flammable gases like propane requires strict compliance with international safety and quality standards.
Yongda is certified under three key international systems: ISO9001:2015 for quality management, ISO14001:2015 for environmental protection, and ISO45001:2018 for occupational health and safety. These framework controls are supported by our brand brand promise: "keep flowing, keep warming".
Our specialized line brand, Cokaren, represents our commitment to refined designs and high manufacturing standards, offering dependable flow control for modern infrastructure projects.
Our top-rated products selected by international buyers for system-critical fluid and gas installations.
An integrated option that removes pipeline debris, keeping downstream components clean.
Allows manual temperature regulation for hydronic circuits and terminal heating zones.
Stabilizes system temperatures by mixing returns with primary hot water inputs.
Features multiple ports to distribute flow within residential floor heating layouts.
Provides durable external flow control, built to withstand outdoor elements.
Offers straightforward inline shutoff with minimal pressure drop when fully open.
Provides straight-length copper connections for clean meter installations.
Includes durable barb profiles designed to fit standard hose connections.
How we help procurement managers, mechanical engineers, and distributors secure reliable supply chains.
We work with buyers to select standard brass formulations or lead-free alloys tailored to regional regulations, including NSF/ANSI 61 and EN 331 gas standards.
Our engineers convert your 2D/3D CAD models into forging dies, allowing custom adjustments to thread lengths, handle styles, and pressure ports.
We perform 100% pneumatic pressure tests on gas valves before packaging to ensure zero-leak performance and secure field installation.
Expert answers addressing the design, safety compliance, and installation of propane and high-pressure brass valves.
Explore our additional line of distribution manifolds, control valves, and connection accessories designed for system integration.
PPR-body ball valve engineered for hot and cold water plumbing lines, offering fusion-welded joint options to prevent leaks.
90-degree threaded brass elbow fitting designed to direct flow through tight spaces in water delivery configurations.
Compression socket fittings designed to connect flexible PEX tubing to brass manifold outlets without soldering.
A safety assembly featuring pressure relief valves and air venting ports to monitor closed hydronic boiler installations.
A multi-port 3-way brass valve paired with a piston pressure reducer to manage flow diversion and protect downstream components.
Durable sliding-sleeve elbow fitting providing mechanical connections for plumbing lines and manifold drops.
A range of female-threaded socket couplings built to connect structural pipes in commercial plumbing applications.
Features a spiral brass stem to provide fine control and positive shutoff for high-volume water distribution systems.
Direct technical drawings, reference descriptions, and connection sizes for plumbing and heating systems.
Forged piston configuration designed to balance pressure and regulate branch circuits.
Nickel-plated external threads designed to resist corrosion in external plumbing systems.
An easy-to-install outlet valve engineered to provide a secure connection with external hoses.
A light brass bibcock featuring a quarter-turn handle designed for rapid shutoff.
Provides manual pressure venting and flow regulation for pressurized containers.
Includes a integrated locking mechanism to prevent unauthorized water use in public spaces.
Designed to handle high water volumes with minimal turbulence and low flow resistance.
Combines backflow prevention with a built-in strainer to protect downstream devices.
Features a Y-pattern chamber designed to filter out pipeline scale and particulate debris.
Maintains pump prime and blocks debris intake in well or tank installations.
Ensures single-direction flow control with low pressure drop across lines.
An integrated pump and valve assembly designed to regulate underfloor heating circuits.
Provides temperature management for residential HVAC system loops.
Maintains stable flow temperatures for residential underfloor heating manifolds.
Balances pressure differences and vents trapped air from distribution systems.
A threaded plug with a manual bleed screw for purging air from heating loops.
Automatically vents gas accumulations to maintain liquid pressure in active pipelines.
Maintains stable circulation and prevents airlocks in central heating systems.
An end assembly that handles air venting and fluid drainage for underfloor manifolds.
Provides secure mechanical joints for polyethylene pipes in gas or water lines.
A selection of connectors, adapters, and nipples designed for high-pressure installations.
