ASME B16.47 Series B Class 150 Blind Flange

YANHAO ASME B16.47 Series B Class 150 Blind Flanges are made of high-quality materials such as stainless steel, carbon steel and alloy steel. The flanges we produce are designed to meet the strict specifications stipulated by ASME and are suitable for various applications in the oil and gas, petrochemical and power generation industries.

We also provide customized services to meet customer needs for flanges of special types and apertures. If you have specific technical specifications or design requirements, please feel free to contact our professional team and we will provide you with a personalized solution.

Custom Flanges

Class 150 dimensions | ASME B16.47 Series B Flange

Nominal Pipe SizeOutside Diameter (O)Bolt Circle (W)Raised Face Diameter (R)Number of HolesDiameter of HolesMinimum Thickness (T)Approximate Weight (lbs)
2630.9429.3128.00360.881.75375
2832.9431.3130.00400.881.88455
3034.9433.3132.00440.882.00545
3237.0635.4434.00480.882.12648
3439.5637.6936.25401.002.25782
3641.6239.7538.25441.002.31890
3844.2542.1240.25401.122.501090
4046.2544.1242.50441.122.621247
4248.2546.1244.50481.122.691393
4450.2548.1246.50521.122.811579
4652.8150.5648.62401.252.941825
4854.8152.5650.75441.253.062045
5056.8154.5652.75481.253.182284
5258.8156.5654.75521.253.312547
5461.0058.7556.75561.253.442848
5663.0060.7558.75601.253.563145
5865.9463.4460.75481.383.683560
6067.9465.4463.00521.383.813913
  • All dimensions are in inches.
  • These flanges will be furnished with a 1/16″ raised face unless otherwise specified. For more alternate flange facings, please click here!

Blind Flange

Blind Flanges are flanges without a central hole and are also commonly known as Blank Flanges or Flange Covers. The primary function of blind flanges is to isolate pipelines or close off equipment ports. They are typically used in industry for pipeline blocking, segmental sealing of pipelines, preventing intermixing of media, leaks.

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ASME B16.47 Forged Flanges FLANGE CLASSES

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About YANHAO

Aerial view of YANHAO Factory
Aerial view of YANHAO Factory

YANHAO is a flange manufacturer located in Hebei Province, China. It is one of the few professional flange suppliers in China.

We have many years of experience in flange production and have multiple flange production lines. We have sufficient stock of raw materials, rich inventory, fast delivery, and can ship within three days. At the same time, the price is affordable. You are welcome to consult and purchase!

In addition, we can provide a variety of bespoke flanges and pipe fittings. Customers can give drawings or samples, and our company will produce them to fit your specific requirements.

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