Thread fittings are essential components used in piping systems to join pipes or tubes through threaded connections. These fittings come in various materials, including stainless steel, brass, and carbon steel. The key advantage of thread fittings is their ability to provide secure, leak-proof connections that can withstand high pressure. They are highly durable and resistant to corrosion, making them ideal for applications in water, gas, and oil pipelines. Thread fittings are commonly used in industries like oil and gas, HVAC, plumbing, and construction. Threaded connections are easy to install and offer excellent flexibility for maintenance and repairs.
While these components are available in many materials, we specialize in providing a premier selection of high-quality, durable malleable iron thread fittings engineered for superior reliability. Built on the promise of "Safer, No Leak!," our fittings embody all the key advantages of threaded connections while offering exceptional longevity, with a service life that can exceed 50 years with simple maintenance. Whether for industrial, commercial, or residential use, each thread fitting is crafted to meet the highest standards for a wide array of applications.
Our expertise is forged in precision engineering and an unwavering commitment to quality. Every threaded pipe fitting in our collection is a testament to superior manufacturing, giving you the confidence to build robust and dependable systems.
> Certified Materials: Our fittings are crafted from high-grade blackheart malleable cast iron, conforming to EN-GJMB-350-10 and ISO 5922 standards.
> Precision Engineering: Design and dimensions strictly adhere to international standards ISO 49 and EN 10242.
> Accurate Threading: We provide both BSPT (ISO 7-1 / EN 10226) and NPT (ASME B 1.20.1) thread connection types to meet diverse project requirements.
> Exceptional Strength: Each fitting boasts a minimum tensile strength of 350 MPA and an elongation rate of 10%, ensuring it can withstand demanding operational pressures.
> Advanced Corrosion Resistance: A hot-dip galvanized zinc coating with an average thickness of 70μm provides robust protection against rust and corrosion, ensuring long-term durability.
> Rigorous Quality Control: To guarantee our "Safer, No Leak!" promise, every single fitting undergoes a stringent 0.6 MPa air pressure test before packaging to ensure a perfect seal.
Our deep experience in the industry allows us to offer versatile and practical solutions that professionals rely on every day. Our fittings are designed not only to perform but to simplify installation and adapt to a vast range of environments.
We offer an extensive catalog of thread pipe fitting types to ensure you can find the perfect component for any configuration, including:
> Elbows (90°, 45°, M&F, Reducing)
> Tees (Equal, Reducing, Y-Branch)
> Sockets & Couplings (Equal, Reducing)
> Nipples (Hexagon, Reducing)
> Unions (Flat Seat, Taper Seat, M&F)
> Reducers, Bushings, Plugs, and Caps
> Flanges (Round, with and without bolt holes)
Jianzhi threaded fittings are trusted across numerous sectors for their proven performance and reliability. Key applications include:
> Gas Pipelines
> Fire Protection Systems & Fire Pipes
> Water Supply & Treatment Systems
> Heating and HVAC Systems
> Oil Pipelines
> Easy Installation: Our high-precision threads exceed BS standards by 40%, making installation easier for workers and saving valuable time and labor costs.
> Guaranteed Performance: Our fittings are rated for a maximum working pressure of 363 PSI (2.5 MPa) within a temperature range of -20°C to 120°C, providing a wide operational margin for your systems.
When you choose our fittings, you are choosing a brand built on decades of expertise, certified quality, and proven results. We provide the trustworthiness you need to build with absolute confidence.
As a leading manufacturer of cast iron pipe fittings since 1982, we have built a global reputation for quality. Our operations are supported by over 4,500 employees and 350 technical engineers, with a distribution network that spans more than 100 countries.
Our commitment to quality is validated by the world's most recognized certification bodies. Our products and processes are certified to meet the following standards:
> ISO 9001, ISO 14001, & ISO 18000
> UL Listed
> FM Approved
> CE Certified
Our fittings are trusted for use in some of the world's most demanding and high-profile construction projects, demonstrating their reliability in critical applications. Notable projects include:
> Beijing Daxing International Airport
> National Stadium (Bird's Nest)
> Shanghai World Financial Center
> Canton Tower
Choose durability, safety, and performance backed by over 40 years of manufacturing expertise. Our malleable iron thread fittings provide the strength and reliability required for your most critical projects. Explore our extensive selection of threaded fittings below and build your next piping system with the confidence that comes from using a trusted industry leader.