ASME/ANSI B16.5 1500 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 1500 Blind Flange, which is precisely engineered in accordance with international quality standards. For detailed dimensions of 1500 Class blind flange, kindly check the table below. Also, you can download the datasheet
1500 Class Blind Flange Drawing ASME/ANSI B16.5
Product Blind Flange
Pressure Rating 1500 lb, 1500 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
Hub
Diam.
of Bolt
Circle
Diam.
of Bolt
Holes
Number
of Bolts
Diam. of
Bolts
(inch)
Approx. Weight
inch dn O C X BC BH BN BD KG/PCS LB/PCS
1/2″ 15 120.7 22.4 38.1 82.6 22.4 4 3/4″ 1.9 4.2
3/4″ 20 130 25.4 44.5 88.9 22.4 4 3/4″ 2.7 6
1″ 25 149.4 28.4 52.3 101.6 25.4 4 7/8″ 3.7 8.1
1-1/4″ 32 158.8 28.4 63.5 111.3 25.4 4 7/8″ 4.3 9.5
1-1/2″ 40 177.8 31.8 69.9 124 28.4 4 1″ 5.9 13
2″ 50 215.9 38.1 104.6 165.1 25.4 8 7/8″ 11.3 24.9
2-1/2″ 65 244.3 41.1 124 190.5 28.4 8 1″ 16 35.2
3″ 80 266.7 47.8 133.4 190.5 25.4 8 7/8″ 19.5 43
4″ 100 311.2 53.8 162.1 235 31.8 8 1 1/8″ 33 72.8
5″ 125 374.7 73.2 196.9 279.4 35.1 8 1 1/4″ 60 132
6″ 150 393.7 82.6 228.6 317.5 31.8 12 1 1/8″ 75 165
8″ 200 482.6 91.9 292.1 393.7 38.1 12 1 3/8″ 125 275
10″ 250 584.2 108 368.3 469.9 38.1 16 1 3/8″ 215 474
12″ 300 673.1 124 450.9 533.4 38.1 20 1 3/8″ 316 697
14″ 350 749.3 133.4 495.3 558.8 41.1 20 1 1/2″
16″ 400 825.5 146.1 552.5 616 44.5 20 1 5/8″
18″ 450 914.4 162.1 596.9 685.8 50.8 20 1 7/8″
20″ 500 984.3 177.8 641.4 749.3 53.8 20 2″
24″ 600 1168.4 203.2 762 901.7 66.5 20 2 1/2″