TOBO Industrial (Shanghai) Co., Ltd., a global manufacturer and exporter of high-performance piping solutions, has announced the launch of its newly enhanced range of 90-degree copper elbow fittings. Available in sizes from DN15 to DN200 with customizable threaded or socket weld ends, these elbows are backed by ISO 9001 certification and engineered for precision, durability, and versatility across multiple industries .
Precision Engineering for Fluid Direction Control
The 90-degree copper elbow is one of the most essential components in pipeline systems, enabling fluid redirection at a right angle. Its smooth bend radius ensures minimal turbulence, reduced pressure drop, and optimal flow efficiency—particularly critical in heating, cooling, and pressurized water systems .
TOBO’s copper elbows are designed with strict dimensional tolerances, ensuring tight fitment with mating pipes and long-term sealing integrity. Whether for small residential plumbing or large-scale industrial fluid transport, the 90-degree elbow plays a vital role in ensuring seamless direction changes without compromising system pressure or efficiency.
Comprehensive Size Range: DN15 to DN200
The product line spans from DN15 (½ inch) to DN200 (8 inches), making it suitable for a wide spectrum of applications :
Residential and commercial plumbing systems
Municipal water pipelines
HVAC and chiller loops
Industrial process cooling and hot water circulation systems
Fire protection systems and compressed air lines
Each fitting undergoes dimensional inspection to ensure compliance with international standards and customer-specific specifications.
Customizable End Connections: Threaded or Socket Weld
Recognizing the diverse needs of customers across different sectors, TOBO offers two end connection types :
Threaded Ends – Designed for quick and secure mechanical connections without welding. These are ideal for modular systems or temporary installations where disassembly may be required. Available with NPT or BSP threads to ensure compatibility with standard piping systems.
Socket Weld Ends – Preferred in high-pressure systems and permanent installations. Socket weld ends provide a leak-proof, durable bond, ideal for HVAC piping, boilers, and chemical process applications. Each end style is manufactured using precision machining tools and adheres to industry-standard thread profiles or socket dimensions, ensuring compatibility with pipes from global manufacturers.
Manufactured with High-Purity Copper Alloy
TOBO utilizes high-grade copper (typically C12200 or equivalent), known for its excellent thermal conductivity, corrosion resistance, and antimicrobial properties . This ensures a product lifespan that exceeds traditional steel or plastic counterparts, especially in applications involving hot water, steam, or mildly acidic fluids.
Copper is a naturally sustainable material that offers biocidal effects against bacteria and biofilm, making these elbows ideal for potable water systems, food-grade piping, and medical fluid applications.
ISO 9001 Certified Production
All TOBO 90-degree copper elbows are manufactured under a rigorous ISO 9001:2015-certified quality management system, which guarantees :
Full traceability of raw materials
Strict in-process inspections
Hydrostatic and pressure testing
Final dimensional verification
Consistent production documentation and batch labeling
The ISO certification ensures global buyers that the products meet stringent quality standards and are suitable for international projects requiring traceable compliance .
Broad Industry Applications
Thanks to their durability, safety, and compatibility, TOBO’s copper elbows are in high demand across a wide range of sectors :
HVAC & Mechanical Engineering: Used for chiller lines, fan coil units, rooftop air handlers, and more
Building Construction: Reliable solutions for hot and cold potable water distribution
Water Treatment Plants: Used in piping networks that handle treated and reclaimed water
Fire Suppression Systems: Non-corrosive elbows ensure integrity in sprinkler piping
Industrial Automation: Ensures precise fluid direction in lubricating and cooling systems
Eco-Friendly and Long-Lasting
Copper is widely regarded as a green building material, thanks to its recyclability, low carbon footprint, and non-toxic nature. TOBO’s elbows are made using energy-efficient production methods, with optional RoHS compliance available upon request for markets that require strict environmental protection measures .
Additionally, copper’s resistance to scale formation means lower maintenance costs and longer intervals between pipe cleaning or replacement, delivering excellent lifetime value to end users.
Conclusion: Setting a New Standard in Copper Fittings
The introduction of TOBO's 90-degree copper elbow fittings in DN15 to DN200 sizes with customizable ends and ISO 9001 certification represents a significant advancement in industrial piping technology. By combining high-purity copper construction, precision engineering, and rigorous quality assurance, TOBO is providing a solution that meets the most demanding requirements of the global HVAC, plumbing, and industrial sectors.
About TOBO Industrial (Shanghai) Co., Ltd.
TOBO is a professional manufacturer and exporter of precision-engineered piping solutions based in Shanghai, China. With robust production capacity and a commitment to metallurgical excellence, TOBO serves customers worldwide across HVAC, plumbing, marine, and industrial sectors, specializing in copper, copper-nickel alloys, and associated products for demanding applications with strict quality control and complete traceability.

