ASME/ANSI B16.5 150 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 B16.5 150 Blind Flange, which is precisely engineered in accordance with international quality standards. For detailed dimensions of 150 Class blind flange, kindly check the table below. Also, you can download the datasheet
150 Class Blind Flange Drawing ASME/ANSI B16.5
Product Blind Flange
Pressure Rating 150 lb, 150 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 Diameter of Raised Face Diam.
of Bolt
Circle
Diam.
of Bolt
Holes
Number
of Bolts
Diam. of
Bolts
(inch)
KG LB
inch dn O C G BC BH BN BD
1/2″ 15 89.00 11.20 35.10 60.50 15.80 4 1/2″ 0.5 1.1
3/4″ 20 98.50 12.70 42.90 69.90 15.80 4 1/2″ 0.8 1.8
1″ 25 108.00 14.20 50.80 79.30 15.80 4 1/2″ 0.9 2
1-1/4″ 32 117.50 15.70 63.50 88.90 15.80 4 1/2″ 1.3 2.9
1-1/2″ 40 127.00 17.50 73.20 98.60 15.80 4 1/2″ 1.6 3.5
2″ 50 152.50 19.10 91.90 120.70 19.10 4 5/8″ 2.6 5.7
2-1/2″ 65 178.00 22.40 104.60 139.70 19.10 4 5/8″ 4.1 9
3″ 80 190.50 23.90 127.00 152.40 19.10 4 5/8″ 5..1 11.2
3-1/2″ 90 216.00 23.90 139.70 177.80 19.10 8 5/8″ 6.5 14.3
4″ 100 228.50 23.90 157.20 190.50 19.10 8 5/8″ 7.5 16.5
5″ 125 254.00 23.90 185.70 215.90 22.40 8 3/4″ 9.2 20.3
6″ 150 279.50 25.40 215.90 241.30 22.40 8 3/4″ 11.8 26
8″ 200 343.00 28.40 269.70 298.50 22.40 8 3/4″ 20.4 45
10″ 250 406.50 30.20 323.90 362.00 25.40 12 7/8″ 31 68
12″ 300 482.50 31.80 381.00 431.80 25.40 12 7/8″ 47 103
14″ 350 533.50 35.10 412.80 476.30 28.50 12 1″ 60 132
16″ 400 597.00 36.60 469.90 539.80 28.50 16 1″ 81 178
18″ 450 635.00 39.60 533.40 577.90 31.80 16 1 1/8″ 93 205
20″ 500 698.50 42.90 584.20 635.00 31.80 20 1 1/8″ 127 280
24″ 600 813.00 47.80 692.20 749.30 35.10 20 1 1/4″ 190 419