A blind flange is a flange without a hole, usually used to close the end of a pipe or a pressure vessel opening.
Kingrail Parts is a professional flange manufacturer from china, we can provide blind flanges in various sizes and materials. We can also customize blind flanges according to customer specifications and drawings.
Our blind flanges can be made to ASME/ANSI, DIN, JIS, EN and other standards.
Specifications
Size: 1/2″ to 48″
Pressure rating: 150, 300, 600, 900, 1500, 2500 class
Joint type: flat face (FF), raised face (RF), ring joint (RTJ)
Material: carbon steel, stainless steel, nickel alloy, duplex stainless steel, aluminum, white copper
Nominal Pipe Size (NPS) |
Outside Diameter (OD) |
Thickness (T) |
Number of Bolts |
Bolt Hole Diameter |
Bolt Circle Diameter |
1/2″ |
3.50″ (89 mm) |
0.44″ (11.2 mm) |
4 |
0.63″ (15.9 mm) |
2.38″ (60.3 mm) |
1″ |
4.25″ (108 mm) |
0.56″ (14.3 mm) |
4 |
0.63″ (15.9 mm) |
3.12″ (79.4 mm) |
2″ |
6.00″ (152 mm) |
0.69″ (17.5 mm) |
4 |
0.75″ (19.1 mm) |
4.75″ (120.7 mm) |
4″ |
9.00″ (229 mm) |
0.94″ (23.9 mm) |
8 |
0.75″ (19.1 mm) |
7.50″ (190.5 mm) |
6″ |
11.00″ (279 mm) |
1.06″ (27 mm) |
8 |
0.88″ (22.2 mm) |
9.50″ (241.3 mm) |
8″ |
13.50″ (343 mm) |
1.19″ (30.2 mm) |
8 |
0.88″ (22.2 mm) |
11.75″ (298.5 mm) |
12″ |
16.00″ (406 mm) |
1.25″ (31.8 mm) |
12 |
0.88″ (22.2 mm) |
14.25″ (362 mm) |
24″ |
32.00″ (813 mm) |
2.06″ (52.3 mm) |
16 |
1.25″ (31.8 mm) |
29.50″ (749.3 mm) |
Why choose Kingrail Parts
1. The production plant covers an area of more than 100,000 square meters, 220 workers and 20 technicians
2. Our blind flange products meet ASTM, ANSI, ASME, API, and other international standards.
3. ISO9001-2008 certified
4. Customized according to your specific requirements.
5. Our flange products are exported to Asia, Europe, America, the United States, Germany, the United Kingdom, France, Thailand, Vietnam and other places.
Get more help
If you have flange needs, please contact us. We can provide you with the best solution.