316 Stainless Steel Reducing Tee NPT Class 150 Threaded Casting Fitting

Product Name: Threaded Reducing Tee
Material: Stainless Steel 316 / Casting Grade CF8M
Standard: ASTM A351 (Material) / ISO 4144 (Dimensions, ref.)
Fitting Type: Reducing Tee, Casting
Connection: Threaded NPT
Pressure Rating: Class 150
Application: Fluid Distribution, Manifolds, Irrigation
Size: Available in various reducing sizes (e.g., 2" x 1")

Product Introduction: Reducing Tee
A reducing tee is a fitting used to create a smaller 90° branch from a main pipe. Compared to a "equal-diameter tee + bushing" combination, using a one-piece reducing tee eliminates one connection point, thereby reducing potential leaks and lowering installation costs. This simple, efficient design makes it an ideal solution for both cost-effectiveness and reliability when diverting flow from a main line to a smaller branch line.

Introduction to Threaded Cast Fittings
Threaded cast fittings offer an economical, versatile connection solution for low- and medium-pressure piping systems. Produced using a precision casting process, they achieve excellent dimensional accuracy and a smooth surface finish. Their key advantage is their threaded connection, which eliminates the need for welding and facilitates subsequent maintenance and modification. This combination of cost-effectiveness, convenience, and reliability has made them a standard choice for general industrial, building water supply and drainage, and civil engineering applications.

Material Properties
The selection of 316/CF8M stainless steel provides enhanced corrosion protection for piping systems. When constructing fluid distribution manifolds, different branch lines may carry different types and concentrations of media and additives, placing higher demands on the corrosion resistance of the main fittings. The inclusion of molybdenum in 316 offers a wider corrosion resistance range, providing more comprehensive protection and ensuring the long-term, stable operation of the entire distribution system.

Manufacturing Process
Our cast pipe fittings are produced using a precision casting (silica sol) process to achieve excellent dimensional accuracy and surface finish. This process begins with a wax pattern, which is then coated with multiple layers of refractory material to form a ceramic shell. The wax is then heated to melt and flow out. Molten stainless steel is then poured into the hollow shell. After the molten steel cools and solidifies, the shell is broken to produce a highly precise pipe blank. This is then machined, tapped, and finished.

Application
Reducing tees are a core application for constructing fluid distribution manifolds. In fluid transport systems for water treatment, agricultural irrigation, HVAC, and general industry, they are widely used to divert flow from a main pipeline to multiple smaller devices, instruments, or water points. Reducing tees enable efficient and economical construction of compact, well-planned distribution networks to meet diverse flow distribution needs.