Butt Weld Fittings

90 Degree Elbow

A 90-degree butt weld (BW) elbow is a pipe fitting used to change the direction of a pipe or pipeline by 90 degrees. It's connected to other pipe sections via butt welding, where the ends of the pipes are directly welded together, creating a strong, continuous flow path.
Here's a more detailed explanation:
Key Features:

Purpose: To alter the direction of fluid flow by 90 degrees.
Connection: Joined to other pipe sections using butt welding, a method where the ends of the pipes are directly welded together.
Material: Can be made from carbon steel, stainless steel, or aluminium.
Radius: 90-degree elbows come in two main types: long radius (LR) and short radius (SR).
- Long Radius (LR): The radius of the bend is 1.5 times the nominal diameter of the pipe.
- Short Radius (SR): The radius of the bend is equal to the nominal diameter of the pipe.
Standard: Often manufactured according to standards like ASME B16.9.

Applications:

Piping Systems: Commonly used in various piping systems, including industrial, commercial, and residential applications.
Connecting Pipes: Facilitates the connection of pipes that run in different directions.
Changing Flow Direction: Enables a change in flow direction without introducing significant turbulence.

In summary, a 90-degree BW elbow is a versatile pipe fitting that allows for a precise and reliable 90-degree change in direction within a piping system, using butt welding to ensure a strong and durable connection.

Types of Butt Weld Fittings Types
Type	Elbow Fittings	Long, Short Radius, 3D
		45 Degrees, 90 Degrees & 180 Degrees
	Reducer Fittings	Concentric & Eccentric
	Tee Fittings	Equal & Reducing
	End Cap Fittings	-
Size Range	1/2'' (15mm), 3/4'' (20mm), 1''(25mm), 1-1/4'' (32mm), 1-1/2'' (40mm), 2'' (50mm), 2-1/2'' (65mm), 3'' (80mm), 3-1/2'' (90mm), 4'' (100mm), 5''(125mm), 6'' (150mm), 8'' (200mm), 10'' (250mm), 12'' (300mm), 14'' (350mm), 16'' (400mm), 18'' (450mm), 20'' (500mm), 22'' (550mm), 24'' (600mm), 26'' (650mm), 28'' (700mm), 30'' (750mm), 32'' (800mm), 34'' (850mm), 36'' (900mm), 48'' (1200mm)
Wall Thickness	SCH 10, SCH 20, SCH 30, SCH 40, SCH 60, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160 SCH STD, SCH XS, SCH XXS SCH 10s, SCH 40s, SCH 80s
Standard	ASME B16.9, ASME B16.28, MSS SP-75

Specification
Carbon Steel	ASME/ASTM SA/A234-WPB, WPC
High-Yield Carbon Steel	ASTM A860 WPHY 42/ 46/ 52/ 60/ 65/ 70
Low Temp Carbon Steel	ASME/ASTM SA/A420 WPL6
Chrome Moly	ASME/ASTM SA/A234-WP5, WP9, WP11, WP12, WP22, WP91
Stainless Steel	ASME/ASTM SA/A403WP 304/304L, 316/316L, 309, 304H, 310S, 317, 321, 321H, 347, 347H, 904L
Duplex/ Super Duplex	ASME/ASTM SA/A815 UNS S31803 / S32205 / S32750 / S32760
Nickel Alloy	ASME/ASTM SB366, UNS N02200 (Nickel 200), UNS N02201 (Nickle 201) UNS N04400 (Monel 400),), UNS N06600 (Inconel 600) UNS N06601 (Inconel 601), UNS N06625 (Inconel 625) UNS N08810 (Incoloy 800H), UNS N08811 (Incoloy 800HT) UNS N08825 (Inconel 825), UNS N010276 (Hastelloy C276)

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