Yongda
Yongda
Premium class PE-RT pipelines and multilayer conduits designed for extreme climatic variations in Algerian public works.
The Algerian construction and civil infrastructure sectors are undergoing a significant structural transition. Driven by state-funded housing projects, such as the AADL (Agence Nationale de l'Amélioration et du Développement du Logement) initiatives, and a strategic push to modernize municipal drinking water distribution networks, the demand for high-performance thermoplastic piping systems has surged. Traditional copper and galvanized steel systems are rapidly being phased out due to scaling, high corrosion rates in coastal regions (such as Algiers, Oran, and Annaba), and prohibitive material costs.
Polyethylene of Raised Temperature Resistance (PE-RT Type II) has emerged as the premier solution for these large-scale municipal developments. Originally formulated to withstand higher temperatures and design stresses than standard PE-HD, PE-RT pipelines provide unmatched long-term hydrostatic strength (LTHS) at operational temperatures up to 95°C. This makes them ideal for both domestic sanitary water networks and closed-loop hydronic space heating systems in the colder highland zones of Sétif, Constantine, and Djelfa.
SEO Value Analysis: PE-RT Type II pipe systems offer Algerian mechanical, electrical, and plumbing (MEP) contractors an optimal balance of cost-efficiency, chemical inertia, and simple heat-fusion installation. Standard EN ISO 22391 criteria are strictly observed to guarantee conformity at Algerian Customs checkpoints (e.g., Algiers Port).
For decades, cross-linked polyethylene (PEX) was the default choice for flexible hot and cold water installations. However, PE-RT has steadily captured market share due to distinct physical processing advantages:
| Physical Property | PE-RT Type II (Yongda) | Standard PEX | Copper (Traditional) |
|---|---|---|---|
| Thermal Conductivity (W/m·K) | 0.40 (Optimal for floor heating) | 0.41 | 380 (High heat loss) |
| Jointing Methodology | Thermofusion & Compression | Mechanical Crimping Only | Brazing / Soldering |
| Corrosion Resistance | Immune to acidic/saline water | High Resistance | Susceptible to pitting |
| Life Expectancy (at 70°C, 10 Bar) | > 50 Years | > 50 Years | Variable (Scale dependent) |
A powerhouse of fluid control engineering since 1996, delivering certified HVAC components and piping systems worldwide.
Founded in 1996 in Yuhuan, Zhejiang—widely recognized as the "Valves Capital of China"—Yuhuan Yongda Fluid Control Co., Ltd. has developed into a premiere industrial force. Our operations encompass state-of-the-art product research, computerized prototype modeling, high-efficiency forging, and strict mechanical testing.
Our catalog is organized into three primary, high-tier segments: brass valves, precision pipe fittings, and comprehensive HVAC/underfloor heating components. Engineered specifically to comply with North American, European, and emerging North African infrastructure regulations, our products incorporate environment-friendly alloys and strict lead-free brass formulations.
With a massive facility encompassing more than 45,000 square meters of physical footprint (80,000 square meters of usable workspace), our shop floors utilize over 600 advanced machinery platforms, including 80 specialized CNC units. This robust setup allows us to execute large OEM/ODM runs with micro-meter precision.
Cokaren, our premium international brand, represents refined engineering, architectural aesthetics, and reliable performance. Dedicated to providing smart water and thermal control solutions, Cokaren's core promise—"Keep flowing, keep warming"—drives our R&D team to develop high-performance components that enhance residential comfort and energy conservation.
For the Algerian market, where rapid daily temperature fluctuations require systems to handle thermal expansion efficiently, Cokaren PE-RT pipes and high-durability manifold systems offer the ideal combination of performance and peace of mind.
Engineered to international quality standards, backed by certified ISO processes and environmental safety compliance.
Our commitment to quality control is verified by globally recognized management and environmental system certifications. Yongda operates strictly under the protocols of:
These certifications provide peace of mind to Algerian state authorities and primary contractors who demand compliance in public-sector construction.
Our specialized design approach handles every stage of the hydronic flow. From the entry water filter to the manifolds and intelligent thermostatic actuators, our integrated line reduces pressure drops, prevents galvanic corrosion, and optimizes thermal distribution.
Protects the pipeline by filtering out 98% of sediment and physical debris.
Controls flow into and out of boilers with a reliable spherical spool.
Automatically releases air pocket buildup to maintain efficient heat transfer.
Blends return hot and cold water to stabilize floor loop temperatures.
Integrates room sensors with manifold valves for precise temperature control.
Monitors pressure, measures local temperature, and filters system debris.
Distributes system water to individual heating zones, allowing fine-tuned regional balancing.
How we ensure fast transit times, competitive prices, and reliable compliance from our factory floor to Algerian ports.
We manufacture using high-grade brass bar stock and import virgin polymer resins. We test every production batch to verify trace element limits, preventing cracking and ensuring reliable performance over decades.
Located near major Zhejiang maritime ports (Ningbo and Shanghai), we offer direct sea freight shipping to key Algerian entry ports, including Algiers, Oran, Skikda, and Béjaïa, keeping freight rates highly competitive.
Our export documentation team handles the complex requirements of Algerian import regulations, including securing Certificates of Conformity (CoC) and meeting Banque d'Algérie pre-domiciliation guidelines.
High-grade brass plumbing control valves and distribution systems designed for commercial and domestic piping setups.
Essential components for plumbing systems, certified to withstand demanding operating environments.
Understanding the specific requirements of regional climates in Algeria is essential for successful plumbing installations. The country can be divided into three distinct zones, each demanding tailored material choices:
In cities like Algiers, Oran, and Annaba, the humid coastal air and soil salinity present significant corrosion risks for metallic pipes. Using PE-RT systems provides complete chemical resistance, preventing oxidative breakdown and scaling. This ensures consistent water flow velocities, reduces municipal pumping energy consumption, and maintains long-term reliability.
During the winter, mountainous provinces like Batna, Sétif, and Medea experience freezing temperatures. Closed-loop heating systems in these areas rely on water mixed with glycol, operating at temperatures between 60°C and 80°C. PE-RT Type II pipes are engineered to handle continuous high-temperature cycles without losing mechanical strength, making them the preferred choice for reliable indoor climate control.
In southern regions like Ouargla and Hassi Messaoud, soil surface temperatures can reach extreme levels. In these conditions, standard PE-HD lines can lose pressure ratings quickly. PE-RT Type II pipes, designed to maintain high hydrostatic strength at elevated temperatures, provide a durable, flexible, and chemically resistant solution for industrial water transport and geothermal heating.
Critical design considerations and regulatory answers for engineering offices, procurement managers, and mechanical contractors.
PE-RT Type I is designed for residential hot and cold water applications under lower temperature and pressure conditions (typically up to 70°C). PE-RT Type II is manufactured from high-density polymers, offering superior hydrostatic pressure ratings at high temperatures (up to 95°C). For Algerian public projects and high-performance commercial HVAC systems, PE-RT Type II is specified to ensure safety margins and compliance with European building standards.
Yes. We cooperate closely with inspection agencies such as SGS, Bureau Veritas, and TUV. We provide testing documentation to secure the Certificat de Conformité, ensuring smooth customs clearance at Algerian ports.
Yes. Our PE-RT pipes are manufactured to standard outer diameter (OD) sizes (such as 16mm, 20mm, 25mm, and 32mm) with precise tolerance control. They are fully compatible with European-standard brass compression fittings, sliding sleeve fittings, and thermofusion socket adapters.
Without an oxygen barrier, ambient oxygen can diffuse through the pipe wall into the circulating hot water. This oxygen causes oxidization and rust on metallic system components, such as steel radiators, boilers, and cast-iron pump impellers. Our 3-layer and 5-layer PE-RT pipes feature a co-extruded EVOH layer that blocks oxygen, extending the service life of the entire system.
MOQs vary depending on the pipe dimensions and customization requirements (typically 5,000 meters for custom production runs). Standard lead times range from 20 to 30 days at our facility, with direct sea freight transit from Ningbo/Shanghai to Algerian ports taking between 30 and 40 days.
Get in touch with our design engineers for customized parameters, test reports, and import support.
