A pipe elbow is one kind of pipe fittings which can change the liquid or gas flowing direction in a piping system. It is mainly used to connect two pipes,sometimes called a “quarter bend”.
A 90 degree elbow is a pipe fitting which you can used to change the flow direction in a 90 degree . It is also called “90 bend” or “quarter bend”. As a joint between two pipes, the 90 degree elbows are also used as a railing ends or corners on a level installation.
Elbows are split into three groups, which define the distance over which they change direction. Commonly, according to the distance of direction changing, the elbows are divided into the following three kinds: Short Radius Elbow （SR Elbow）, Long Radius Elbow （LR Elbow）, Customized Radius Elbow.
Based on the angle change of the elbow direction , the elbows also are divided:90 degree elbow, 45 degree elbow,180 degree elbow(return elbow) ,Elbows in any degree .
With the pipe connection mode: direct welding (way) of the most commonly used flange connection, hot melt connection, fused connection, threaded connection and socket type connection, etc.
According to the production process can be divided into: welding bend, stamping elbow, pushing system bend, casting bend, butt welding elbow and so on.
|90 Degree Elbow|
|Size||Seamless steel elbow:
Schedule/ Wall Thinkness
sch5s,sch10s,sch10, sch20, sch30, std, sch40, sch60, xs, sch80, sch100,
sch120, sch140, sch160, xxs, SGP
|Standard||ASME/ANSI B16.28,B16.9, MSS-SP-75, DIN 2605, EN 10253-2 , JIS B2311,GOST 17375,ISO3419|
ASTM A234 WPB, S235,P235GH,ST35.8,ST37,SS400,ST20,C20,Q235
ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP91-WP9,
ASTM/ASME A403 WP 304-304L-304H-304LN-304N
ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti
ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H
ASTM/ASME A420 WPL3-WPL6
High performance carbon steel:
ASTM A860 WPHY42 , WPHY46,WPHY52, WPHY60, WPHY65, WPHY70
|Package||Wooden Case, Plywood Pallet ,or can be in accordance with the requirement of the customers special packaging.|
Haihao pipe fitting factory would produce and supply the high quality elbows as per clients’ requirement.
We sincerely welcome customers domestic and abroad to visit us for cooperation and development.