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Hydraulic Expansion Cold Extrusion Hot Pressing Tee Forming Machine Three-Way Pipe Fitting Machine
Basic Properties
Trading Properties
| Forming Temperature: | Ambient Temperature | Working Principle: | Axial Punches Squeeze Both Pipe Ends; Metal Flows Into The Branch Cavity And Fills The Die |
|---|---|---|---|
| Suitable Material: | Stainless Steel, Carbon Steel, Small-to-medium OD (approx. 21-426mm) | Key Features: | Best Surface Quality, High Precision, Most Widely Used |
| Hydraulic Expansion: | Pipe Filled With Liquid; Two Side Cylinders Compress In Sync -- Combined Liquid Pressure + Cylinder Force Bulges Out The Branch | Hot Pressing: | Radial Compression Of Blank + Mandrel Stretch (radial-compensation Process) |
| Highlight | Hydraulic Expansion Tee Forming Machine,Cold Extrusion Three-Way Pipe Fitting Machine,Hot Pressing Tee Machine |
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Tee Machine
Tee Machine (also: Three-Way Pipe Fitting Machine / Tee Forming Machine) is the specialized equipment that produces pipe tees (T-shaped fittings) for flow branching and merging in pipeline systems. Driven by hydraulic or mechanical pressure through forming dies, it forms a seamless tee with three branches in one piece via cold extrusion, hydraulic expansion (hydroforming), or hot pressing. Compared with traditional welded saddle tees, seamless tees feature smoothly blended intersections and rounded shoulders — lower fluid resistance, higher pressure rating, and better rigidity under three-dimensional pipe loads.
| Process | Forming Temperature | Working Principle | Suitable Material / Size | Key Features |
|---|---|---|---|---|
| Cold Extrusion | Ambient temperature | Axial punches squeeze both pipe ends; metal flows into the branch cavity and fills the die | Stainless steel, carbon steel, small-to-medium OD (approx. 21–426mm) | Best surface quality, high precision, most widely used |
| Hydraulic Expansion (Hydroforming) | Ambient temperature | Pipe filled with liquid; two side cylinders compress in sync — combined liquid pressure + cylinder force bulges out the branch | Low-carbon / low-alloy steel, stainless steel, copper/aluminum/titanium; generally <DN400 standard wall | One-shot forming, high efficiency; main pipe and shoulder wall thickened; requires large press tonnage |
| Hot Pressing (Hot Extrusion) | Heated before pressing | Radial compression of blank + mandrel stretch (radial-compensation process) | Carbon steel, alloy steel, stainless; especially large-diameter and thick-wall tees | Lower required tonnage, wide material adaptability |
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