Butt weld fittings are pipe fittings that are welded directly to the pipe ends, creating a strong, permanent joint with a smooth internal flow. They are used to change the direction, branch off, or connect piping in industrial systems.

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Common Types of Butt Weld Fittings

Fitting Type Symbol Use Case
Elbow (90°, 45°, 180°) ➰ Changes the direction of the pipe
Tee (Equal & Reducing) T Branches the pipe into two directions
Reducer (Concentric / Eccentric) 🔻 Connects pipes of different diameters
Cap ⛔ Closes the end of a pipeline
Stub End — Used with lap joint flanges
Cross + Connects four pipes at a junction

Advantages of Butt Weld Fittings

High strength and leak resistance
Smooth internal flow path (less friction/turbulence)
Ideal for high-pressure and high-temperature systems
Permanent connection – durable and vibration-resistant

Applications

Industry Pipe Use Tube Use
Oil & Gas Transporting oil, Gas, Steam Drilling tools, Casing
Construction Water Supply, Sewage Scaffolding, Support Frames
Automotive Exhaust Systems Fuel Lines, Structural Parts
HVAC Chillers, Ventilation Coils, Heat Exchangers
Medical NA Surgical Instruments
Furniture NA Frames, Rails, Legs