ASME B16.5 Class 900 Flanges | Blind

ASME B16.5 Class 900 Blind Flanges are designed without a central hole or opening., It can be installed on the pipeline port and tightly connected to the pipeline flange using fasteners to achieve isolation or sealing.

YANHAO ASME B16.5 blind flanges are made of stainless steel, carbon steel, and alloy steel, and can be galvanized after heat treatment according to application requirements. We also provide additional components such as gasket flanges, bolts, nuts, flange covers, or flange cover gaskets. We usually offer standard flanges; if you need to order special types of flanges, please get in touch with our experts.

Custom Flanges

Class 900(blind) dimensions | ASME B16.5 flange

Nominal Pipe SizeOutside Diameter (O)Bolt Circle (W)Raised Face Diameter (R)Number of HolesDiameter of HolesThickness (T)Approximate Weight (lbs)
1/24.753.251.3840.880.884
3/45.123.501.6940.881.006
15.884.002.0041.001.128
1 1/46.254.382.5041.001.129
1 1/27.004.882.8841.131.2513
28.506.503.6281.001.5025
2 1/29.627.504.1281.131.6235
39.507.505.0081.001.5029
411.509.256.1981.251.7554
513.7511.007.3181.382.0087
615.0012.508.50121.252.19115
818.5015.5010.62121.502.50200
1021.5018.5012.75161.502.75290
1224.0021.0015.00201.503.12415
1425.2522.0016.25201.633.38520
1627.7524.2518.50201.753.50600
1831.0027.0021.00202.004.00850
2033.7529.5023.00202.134.251075
2441.0035.5027.25202.635.502025
  • All dimensions are in inches.
  • These flanges will be furnished with a 1/4″ raised face unless otherwise specified

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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ANSI B16.5 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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