ASME/ANSI B16.5 2500 Class Blind Flange/Standards, Dimensions & Weight

Blind flanges come in many different varieties and are designed to seal off piping systems without an opening. They provide convenient access to a closed line when needed. Blind flanges for low pressure pipe systems are often attached using threading or screwing. Taurus, a manufacturer of blind flanges, offers a range of industrial blind flanges in ANSI B16.5 and other specifications.

  • Our company is a manufacturer of ASME/ANSI B16.5 2500 Blind Flange, which is precisely engineered in accordance with international quality standards. For detailed dimensions of 2500 Class blind flange, kindly check the table below. Also, you can download the datasheet
2500 Class Blind Flange Drawing ASME/ANSI B16.5
Product Blind Flange
Pressure Rating 2500 lb, 2500 Class
Dimensional Specification ASME/ANSI B16.5
Size 1/2″ to 24″
Surface Treatment Anti-rust Oil, Paint, Zinc, Hot Dipped Galvanized
Grades 304, 304L, 316L, 321, 347, 904L, Duplex, Carbon Steel, Nickel Alloys
Test Certificates As per EN 10204 3.1
Inspection Videos, Pictures, Inspection Report with Goods
Pipe Normal Diam. O.D. Flange Thk. Of Flange Min Diam.
of Bolt
Circle		 Diam.
of Bolt
Holes		 Number
of Bolts		 Diam. of
Bolts
(inch)		 KG LB
inch dn O C BC BH BN BD
1/2″ 15 133.4 30.2 88.9 22.4 4 3/4″ 3 7
3/4″ 20 139.7 31.8 95.3 22.4 4 3/4″ 4.5 10
1″ 25 158.8 35.1 108 25.4 4 7/8″ 5 12
1-1/4″ 32 184.2 38.1 130 28.4 4 1″ 8 18
1-1/2″ 40 203.2 44.5 146.1 31.8 4 1 1/8″ 11 25
2″ 50 235 50.8 171.5 28.4 8 1″ 17 38
2-1/2″ 65 266.7 57.2 196.9 31.8 8 1 1/8″ 25 55
3″ 80 304.8 66.5 228.6 35.1 8 1 1/4″ 39 86
4″ 100 355.6 76.2 273.1 41.1 8 1 1/2″ 60 133
5″ 125 419.1 91.9 323.9 47.8 8 1 3/4″ 101 223
6″ 150 482.6 108 368.3 53.8 8 2″ 156 345
8″ 200 552.5 127 438.2 53.8 12 2″ 242 533
10″ 250 673.1 165.1 539.8 66.5 12 2 1/2″ 465 1023
12″ 300 762 184.2 619.3 73.2 12 2 3/4″ 665 1463

Note:
1) Blind Flanges may be made with the same hub as that used for Slip-on Flanges or without hub.