ANSI B16.5 Class 300 Flanges

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ANSI B16.5 Class 300 Flanges | Welding Neck

The ANSI B16.5 Class 300 Weld Neck Flange is a fixed-parameter Weld neck flange that can withstand a pressure of 300 pounds force per square inch (PSIG) in the ANSI (American National Standards Institute) standard.

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ANSI B16.5 Class 300 Flanges | Slip-On

The ANSI B16.5 Class 300 Slip-On Flanges is a fixed-parameter Weld neck flange that can withstand a pressure of 300 pound force per square inch (PSIG) in the ANSI (American National Standards Institute) standard. Slip-On Flange does not require welding and is suitable for low-pressure pipeline systems that require frequent disassembly or maintenance.

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ANSI B16.5 Class 300 Flanges | Blind

ANSI B16.5 Class 300 Blind Flanges are commonly used to close the ports of pipes or equipment, capable of withstanding a pressure of 300 pounds-force per square inch (PSIG) in the ANSI (American National Standards Institute) standard.

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ANSI B16.5 Class 300 Flanges | Lap Joint

ANSI B16.5 Class 300 Lap Joint Flanges conform to the pressure class of 300 pounds-force per square inch (PSIG) as specified by the ANSI (American National Standards Institute) standards. These flanges consist of two stub ends and backing flange, typically used to connect different sections of pipe. Lap joint flanges possess excellent resistance to heat and corrosion.

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ANSI B16.5 Class 300 Flanges | Socket-Weld

The ANSI B16.5 300 Socket-Weld Flange connects to the pipeline through socket welding, capable of withstanding a pressure of 300 pounds per square inch gauge (PSIG) as per the standards set by ANSI (American National Standards Institute).

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ANSI B16.5 Class 300 Flanges | Threaded

ANSI B16.5 Class 300 threaded flanges have built-in threads and do not require welding. They can be directly connected to pipes or fittings with corresponding external threads. According to the ANSI B16.5 (American National Standards Institute) standard, these flanges are capable of withstanding a pressure of 300 pounds per square inch gauge (PSIG).

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ANSI B16.5 Flanges

ANSI B16.5 is a standard published by the American Society of Mechanical Engineers (ASME), officially known as “Pipe Flanges and Flanged Fittings.” It is applicable to pipe flanges and flanged fittings made from cast or forged materials. This standard covers the assessment and specifications of pipe flanges and flanged fittings characteristics for NPS 1/2 to NPS 24, represented in both metric and U.S. customary units: Pressure-temperature ratings, Materials, Dimensions, Tolerances, Marking, Testing, Methods of designating openings.

  • ansiasmeb16.5

The ANSI standard flange sizes include classes 150, 300, 400, 600, 900, 1500, and 2500. The standard also includes requirements and recommendations for flange bolting, flange gaskets, and flange joints.

Customized flanges

ANSI B16.5 Forged Flanges FLANGE CLASSES

Choose your pressure class below

Strong production strength, perfect testing system

Our company has a number of pipe flange production lines, mainly providing various ANSI and ASME standard pipe flanges, elbows, tees, big and small heads, reducers, pipe caps, and other pipe fittings.

In addition, we can provide various custom flanges and other pipe fittings. Customers can provide required drawings or samples, and our company can produce according to your needs to meet your special needs.

  • ASME B16.47 Flange  Class 150-600 Series A – 26″to 60″
  • ASME B16.47 Flange  Class 75-900 Series B – 26″to 60″
  • ASME B16.5 Flange  Class 150-2500 – 1/2″to 24″
  • ANSI B 16.47 Flange SERIES A
  • ANSI B 16.47 Flange SERIES B
  • ANSI Flange Class 150-2500 LB – NPS 1/2” to NPS 24”
  • DIN FLANGES
  • JIS FLANGES
  • 202404139 1

Forged Flanges Production Processes

Raw materials for flanges

Raw materials for flanges

Large stock of steel, which can guarantee the stability of timely delivery period

Famous Brand Steel

Famous Brand Steel

Famous brand steel suppliers, guarantee the real material

Flange blanks

Flange blanks

Large stock of flange blanks of different models

Flange Machining

Flange Machining

Machines processing flanges in the workshop of a flange factory

Semi-finished flanges

Semi-finished flanges

Semi-finished products produced and awaiting inspection

High-speed flange drilling

High-speed flange drilling

The drilling machine is drilling flange holes at high speed.

analysis and detection

analysis and detection

Multiple tests to ensure that each flange is qualified

Inspection

Flange Inspection

Each batch of products is carefully tested

quality control

Flange Steel Stamp Marking

Label each flange with a detailed identification to facilitate production management and quality tracking.

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FAQ

Any butt-weld fitting or weld-neck flange can be directly welded to any other butt-weld fitting or weld-neck flange without the need for any extra piece of pipe (Pup piece) between them.

The Weld Neck Flange offers increased strength under higher pressures, subzero or elevated temperatures that cause line expansion or retraction, or other variable forces. The Slip On Flange is connected to the pipe by two welds, one on the back side of the Flange and one on the inside of the Flange.

Weld Neck Flanges， It gives the highest level of joint integrity as it is butt-welded with a pipe. These types of flanges are used in high-pressure and temperature application.

Any butt-weld fitting or weld-neck flange can be directly welded to any other butt-weld fitting or weld-neck flange without the need for any extra piece of pipe (Pup piece) between them.

The Weld Neck Flange offers increased strength under higher pressures, subzero or elevated temperatures that cause line expansion or retraction, or other variable forces. The Slip On Flange is connected to the pipe by two welds, one on the back side of the Flange and one on the inside of the Flange.

Weld Neck Flanges， It gives the highest level of joint integrity as it is butt-welded with a pipe. These types of flanges are used in high-pressure and temperature application.