ASME B16.47 Series B Class 400 Blind Flange
YANHAO ASME B16.47 Series B Class 400 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.
Class 400 dimensions | ASME B16.47 Series B Flange
| Nominal Pipe Size | Outside Diameter (O) | Bolt Circle (W) | Raised Face Diameter (R) | Number of Holes | Diameter of Holes | Minimum Thickness (T) | Approximate Weight (lbs) |
|---|---|---|---|---|---|---|---|
| 26 | 33.50 | 30.75 | 28.00 | 28 | 1.50 | 3.50 | 875 |
| 28 | 36.00 | 33.00 | 30.00 | 24 | 1.62 | 3.75 | 1081 |
| 30 | 38.25 | 35.25 | 32.25 | 28 | 1.62 | 4.00 | 1302 |
| 32 | 40.75 | 37.50 | 34.38 | 28 | 1.75 | 4.25 | 1570 |
| 34 | 42.75 | 39.50 | 36.50 | 32 | 1.75 | 4.38 | 1780 |
| 36 | 45.50 | 42.00 | 38.62 | 28 | 1.88 | 4.69 | 2160 |
| 38 | 47.50 | 44.00 | 40.75 | 32 | 1.88 | 4.88 | 2450 |
| 40 | 50.00 | 46.25 | 43.00 | 32 | 2.00 | 5.12 | 2849 |
| 42 | 52.00 | 48.25 | 45.00 | 32 | 2.00 | 5.25 | 3160 |
| 44 | 54.50 | 50.50 | 47.25 | 32 | 2.12 | 5.50 | 3635 |
| 46 | 56.75 | 52.75 | 49.50 | 36 | 2.12 | 5.75 | 4120 |
| 48 | 59.50 | 55.25 | 51.50 | 28 | 2.38 | 6.00 | 4725 |
| 50 | 61.75 | 57.50 | 53.62 | 32 | 2.38 | 6.25 | 5303 |
| 52 | 63.75 | 59.50 | 55.62 | 32 | 2.38 | 6.44 | 5823 |
| 54 | 67.00 | 62.25 | 57.88 | 28 | 2.62 | 6.75 | 6742 |
| 56 | 69.00 | 64.25 | 60.12 | 32 | 2.62 | 6.94 | 7352 |
| 58 | 71.00 | 66.25 | 62.12 | 32 | 2.62 | 7.12 | 7986 |
| 60 | 74.25 | 69.00 | 64.38 | 32 | 2.88 | 7.44 | 9126 |
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.
ASME B16.47 Forged Flanges FLANGE CLASSES
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About YANHAO
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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