Product Name : A420 WPL3 WPL6 WPL9 BUTT WELDING FITTINGS Elbow /Tee/ Reducer / Cross / Caps Ambient and Lower Temperature Service

What is a butt weld pipe fitting ?

• A butt weld pipe fitting is designed to be welded on site at its end(s) to connect pipe(s) together and allow change in direction or pipe diameter, or branching or ending.
• This fitting then becomes part of a system for transporting fluids (oil, gas, steam, chemicals, …) in a safe and efficient manner, over short or long distances.
• Other types of fittings can be threaded or socket welded.

What are advantages of butt welding over flanges ?

• Flanges connect pipes by bolting them together, whereas butt weld fittings connect pipes by welding them together.
• Depending on size, butt weld fittings require 10% to 75% less material than a flanged connection, which means lower material cost and lower weight.
• Welded construction permits greater freedom in designing a layout; this system uses less space, is more compact, and has greater strength.
• Butt weld fittings provide optimum flow characteristics, without pockets or sharp corners, creating less frictional resistance, no pressure loss, less turbulence, …

What is a seamless butt weld fitting ?

• A seamless butt weld pipe fitting is made directly from a section of seamless pipe material, by applying heat and pressure to transform pipe directly into an elbow or other shape.
• A seamless fitting has no welded parts by itself, a characteristic demanded in some critical applications.
• By comparison, a regular butt weld fitting has one, two or more welds, depending on dimension, shape and manufacturing method.
• No weld means less risk of weld yield and porosities.

What is PVF ?

• PVF means Pipe, Valve and Fittings, and is widely used as short-hand to describe this industry.
• PVFs can be made in a variety of metals or plastics.
• Manufacturers typically specialize in special types of materials; distributors can carry narrow or very broad product lines.

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