ANSI B16.5 Class 1500 Flanges | Welding Neck

The ASME B16.5 Class 1500 Weld Neck Flange is a fixed-parameter Weld neck flange designed to withstand a pressure of approximately 1500 pounds force per square inch (PSIG) as per the ANSI (American National Standards Institute) standard. YANHAO ASME B16.5 Class 1500 Cast flanges are made of Stainless Steel, Carbon Steel, and Alloy Steel, and can be sealed with gaskets or O-rings. we also provide additional components such as flange gaskets, bolts, nuts, flange covers, or flange cover gaskets.

We usually provide standard bottle flanges; if you need to order flanges of special types and hole diameters, please get in touch with our experts.

Custom Flanges

Class 1500 dimensions | ASME B16.5 Flange

Nominal Pipe SizeOutside Diameter (O)Bolt Circle (W)Raised Face Diameter (R)Number of HolesDiameter of HolesBore (B)Point of Weld (A)Hub Diameter (X)Thickness (T)Length Thru Hub (Y)Approximate Weight (lbs)
1/24.753.251.3840.88Specified by purchaser0.841.500.882.385
3/45.123.501.6940.88Specified by purchaser1.051.751.002.756
15.884.002.0041.00Specified by purchaser1.322.061.122.889
1 1/46.254.382.5041.00Specified by purchaser1.662.501.122.8810
1 1/27.004.882.8841.13Specified by purchaser1.902.751.253.2513
28.506.503.6281.00Specified by purchaser2.384.121.504.0025
2 1/29.627.504.1281.13Specified by purchaser2.884.881.624.1236
310.508.005.0081.25Specified by purchaser3.505.251.884.6248
412.259.506.1981.38Specified by purchaser4.506.382.124.8873
514.7511.507.3181.63Specified by purchaser5.567.752.886.12130
615.5012.508.50121.50Specified by purchaser6.639.003.256.75165
819.0015.5010.62121.75Specified by purchaser8.6311.503.628.38275
1023.0019.0012.75122.00Specified by purchaser10.7514.504.2510.00455
1226.5022.5015.00162.13Specified by purchaser12.7517.754.8811.12690
1429.5025.0016.25162.38Specified by purchaser14.0019.505.2511.75940
1632.5027.7518.50162.63Specified by purchaser16.0021.755.7512.251250
1836.0030.5021.00162.88Specified by purchaser18.0023.506.3812.881625
2038.7532.7523.00163.13Specified by purchaser20.0025.257.0014.002050
2446.0039.0027.25163.63Specified by purchaser24.0030.008.0016.003325
  • All dimensions are in inches.
  • These flanges will be furnished with a 1/4″ raised face unless otherwise specified. For more alternate flange facings, please click here!

Weld Neck Flange

Weld Neck Flange is a type of industrial pipe connection, especially used in pressure pipeline systems. Thanks to the high structural strength, sealing performance, corrosion resistance, and the characteristics of withstanding high temperature and pressure of the welding neck flange, it can be used for oil transportation pipelines, ship pipeline systems, and the transportation of raw materials in chemical plants, etc.

Learn More

ANSI B16.5 Forged Flanges FLANGE CLASSES

Choose your pressure class below

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.

Check Our Certificates