With the 90 degree elbow widely used in the industrial field, it has been used in many municipal project construction and liquid and gas transportation, connecting pipeline projects accordingly to ensure the rationality of energy transportation and construction planning. Since some liquid transportation has strict requirements on pipelines, elbow products have been continuously changed and developed, through hot and cold processes, impact effects, and electric welding processes, making elbow products more suitable for the transportation of pipeline systems.

Long Radius (LR) 90° Elbow:

The radius of curvature (R) is 1.5 times the nominal pipe size (NPS) or outside diameter (D). (R = 1.5D). This provides a smoother turn, reducing friction, turbulence, and pressure drop. It’s generally preferred when space allows and flow efficiency is critical.

Short Radius (SR) 90° Elbow:

The radius of curvature (R) is equal to the nominal pipe size (NPS) or outside diameter (D). (R = 1.0D). This results in a sharper turn, increasing turbulence and pressure drop, but it is more compact and suitable for tight spaces where a smaller bend is necessary.

Features of 90 Degree Elbow

1. Since most pipe fittings are used for welding, in order to improve the welding quality, the ends are beveled, leaving a certain angle and a certain edge. This requirement is also relatively strict. The thickness of the edge, the angle and the deviation range are all specified. The surface quality and mechanical properties are basically the same as those of the pipe. In order to facilitate welding, the steel type of the pipe fittings and the connected pipes are the same.

2. That is, all pipe fittings must be surface treated, and the iron oxide scale on the inner and outer surfaces must be sprayed off by shot peening, and then coated with anti-corrosion paint.

3. The requirements for packaging For small pipe fittings, such as export, wooden boxes of about 1 cubic meter are required. It is stipulated that the number of elbows in such boxes cannot exceed about one ton. The standard allows sets, that is, large sets of small, but the total weight generally cannot exceed 1 ton. For large pieces, they must be packaged individually, such as 24″, which must be packaged individually. In addition, there is the packaging mark, which is to indicate the size, steel grade, batch number, manufacturer’s trademark, etc.

Butt Weld 90 Degree Elbow

Beveled ends for direct welding to the pipe, offering a strong, leak-proof, and smooth internal flow path. Often used for larger diameters and high-pressure/temperature applications.

Socket Weld 90 Degree Elbow

Features a socket into which the pipe is inserted and then externally fillet welded. Suitable for small-bore, high-pressure systems where a smooth internal flow is desirable (weld is outside).

Threaded 90 Degree Elbow

Possesses internal or external threads for mechanical connection to threaded pipes. Valued for ease of installation and disassembly in low-to-medium pressure, smaller diameter lines.

Materials:

90 degree elbows are manufactured from a wide range of materials to suit different applications, media, and pressure/temperature requirements. Common materials include:

Stainless Steel (e.g., 304, 304L, 316, 316L)
Carbon Steel (e.g., A234 WPB)
Alloy Steel
Copper
PVC (Polyvinyl Chloride)
CPVC (Chlorinated Polyvinyl Chloride)
Brass
Cast Iron

Applications:

90-degree elbows are fundamental components across numerous industries:

Plumbing and Drainage: Residential and commercial water supply, waste lines.

HVAC Systems: Air handling and ventilation ducts.

Oil and Gas Industry: Refineries, pipelines, offshore platforms.

Chemical and Petrochemical Plants: For processing and conveying various chemicals.

Power Generation: In steam lines, cooling water systems.

Food Processing and Pharmaceutical: For hygienic and corrosion-resistant piping.

General Industrial Use: Any system requiring a 90-degree change in fluid direction.

Our Supply Range For Elbows

For Butt Weld Elbow
Manufacturing Standard: ANSI / ASME B16.9, MSS SP 43, JIS B2311/2312/2313, EN10253

Types: 45 degree steel elbow, 90 degree steel pipe elbow, 180 degree elbow
Size Range: 1/2”, 1”, 2”, 3”, 4”, 6”, 8”, 10”, 12”, 16”, 20” to 48”.
Thickness: SCH 10, SCH 40, SCH 80
Surface Coatings: Black Painted, Varnished, Epoxy Coated, Galvanized

For Socket Weld Elbow and Threaded Elbow
Manufacturing Standard: ASME B16.11, BS3799
Dimensions: 1/2”, 1”, 1/2”, 2” and up to 4”
Pressure Ratings: 2000#, 3000#, 6000#, 9000#

Conclusion:

In summary, 90 degree elbows are essential fittings in piping systems that are used to change the direction of a pipe by 90 degrees. Their composition varies depending on the materials used, making them ideal for numerous applications such as power plants, chemical plants, and oil and gas. Choosing the right elbow can improve system efficiency, reduce friction losses, and extend the life of the piping system. The durability and corrosion resistance of 90 degree elbows make them a versatile fitting that plays an important role in connecting, redirecting, and changing the direction of piping systems.

The post What is 90 Degree Elbow appeared first on Quality Manufacturer of Industrial Pipe Fittings.

Purchase Order Details

Korea customer bought one item ” Reducing Elbow 10″ x 6″ SCH 80S ASTM A403 WP304″ from us.

Size Inspection

We will measure the diameter and thickness according to standard, make sure it is totally meet customer’s requirement.

Package of 90 Degree Elbow

Firstly, wrapped polypropylene knitted bag on reducing elbow.

Secondly, put plastic cap on each end of stainless steel elbow.

Finally, packed the 90 degree elbow into wooden case.

The post 90 Degree Reducing Elbow Order from Korea Customer appeared first on Quality Manufacturer of Industrial Pipe Fittings.

Sales deal with Inquiry of PE Coated Pipe Fittings

Gone by 20 days, Mr. Kow our client in Malaysia has received the 100 pieces stainless steel elbow and tee. As usual before, we didn’t disappoint him that all the goods have been arrived in perfect condition.

Mr. Kow has expressed his admiration for shortest delivery time and perfect two-layer package in strong wood case. He has also said that no matter how late, Jessica always reply my mail or message patiently; no matter how difficulty, Jessica always try her best to resolve all problems. So, talking about these PE coated elbow, tee and reducer in stainless steel with other people who need them, he always makes a good recommendation for our Zizi Engineering Co., Ltd.

2″ 90 Degree Elbow Dimensions

The datasheet or dimensions of 2″ Elbow is very important for customer’s review before purchasing. And also useful for inspection whether it is correct size.

QA/QC Control Quality of PE Coated Elbow Every Step

During the production of stainless steel 45 degree elbow, Jessica kept following with factory about its size, thickness, package and PE coated details to insure that we can meet the delivery time. To save time is to save money for our clients.

Our workers pay more attention on the manufacturing technique of PE coated pipe fittings as well as package materials of that to avoid the slightest blemish on these fittings. Every piece is closely scrutinized before it goes into the shipment.

Place an order right now, we will not disappoint you.   

316 Stainless Steel Elbow Test Certificate

The post PE Coated Elbow Stainless Steel Fittings Order from Malaysia Client appeared first on Quality Manufacturer of Industrial Pipe Fittings.